SCA630-EDCV1B
Datasheet
SCA630-EDCV1B SINGLE AXIS ACCELEROMETER WITH ANALOG
INTERFACE
The SCA630 accelerometer consists of a silicon bulk micro machined sensing element chip and a signal
conditioning ASIC. The chips are mounted on a pre-molded package and wire bonded to appropriate contacts.
The sensing element and ASIC are protected with silicone gel and lid. The sensor has 8 SMD legs (Gull-wing
type).
Applications
Features
? Single +5 V supply
SCA630 product family is targeted to automotive
? Current consumption 2.5 mA typical
applications with high stability and reliability
? Ratiometric output in relation to supply
requirements. Typical applications include:
voltage (Vdd = 4.75 V...5.25 V)
? Electronic Stability Control (ESC)
? Enhanced failure detection features
? Engine Vibration Measurement
o Digitally activated, true self-test by
? Roll Over
proof mass deflection using
? Suspension
electrostatic force
o Memory parity check during power ? Inclination
up, and self-test cycle.
o Built in connection failure detection
? Digitally activated, true self-test by proof
mass deflection using electrostatic force
? Wide load drive capability (max. 20 nF)
? True DC response?
? Qualified according to AEC-Q100 standard
5V supply
Gain &
Measurement
filtering
Vout
circuitry
Sensing
EEPROM for calibration
element
Digital self
constants (32 bit, pari ty check)
test input
ASIC
4 programming lines
GND
for factory use only
Figure 1. Functional block diagram.
Murata Electronics Oy 1/13
www.muratamems.fi Doc.nr. 82 841 00 Rev.B
SCA630-EDCV1B
Datasheet
SCA630-EDCV1B SINGLE AXIS ACCELEROMETER WITH ANALOG
INTERFACE
The SCA630 accelerometer consists of a silicon bulk micro machined sensing element chip and a signal
conditioning ASIC. The chips are mounted on a pre-molded package and wire bonded to appropriate contacts.
The sensing element and ASIC are protected with silicone gel and lid. The sensor has 8 SMD legs (Gull-wing
type).
Applications
Features
? Single +5 V supply
SCA630 product family is targeted to automotive
? Current consumption 2.5 mA typical
applications with high stability and reliability
? Ratiometric output in relation to supply
requirements. Typical applications include:
voltage (Vdd = 4.75 V...5.25 V)
? Electronic Stability Control (ESC)
? Enhanced failure detection features
? Engine Vibration Measurement
o Digitally activated, true self-test by
? Roll Over
proof mass deflection using
? Suspension
electrostatic force
o Memory parity check during power ? Inclination
up, and self-test cycle.
o Built in connection failure detection
? Digitally activated, true self-test by proof
mass deflection using electrostatic force
? Wide load drive capability (max. 20 nF)
? True DC response?
? Qualified according to AEC-Q100 standard
5V supply
Gain &
Measurement
filtering
Vout
circuitry
Sensing
EEPROM for calibration
element
Digital self
constants (32 bit, pari ty check)
test input
ASIC
4 programming lines
GND
for factory use only
Figure 1. Functional block diagram.
Murata Electronics Oy 1/13
www.muratamems.fi Doc.nr. 82 841 00 Rev.B
SCA630-EDCV1B
Table of Contents
SCA630-EDCV1B single axis accelerometer with analog interface ................................... 1?
FEATURES .................................................................................................................................... 1?
APPLICATIONS .............................................................................................................................. 1?
TABLE OF CONTENTS .................................................................................................................... 2?
1.? Electrical Specifications ............................................................................................ 3?
1.1.? ABSOLUTE MAXIMUM RATINGS ............................................................................................ 3?
1.2.? PERFORMANCE CHARACTERISTICS ..................................................................................... 3?
1.3.? OFFSET AND SENSITIVITY CALIBRATION ................................................................................ 4?
1.4.? ERROR CALCULATIONS ....................................................................................................... 4?
1.5.? SUPPLY VOLTAGE ............................................................................................................... 5?
1.6.? ELECTRICAL CONNECTION .................................................................................................. 6?
1.7.? LIMITER FUNCTION ............................................................................................................. 7?
1.8.? TYPICAL PERFORMANCE CHARACHTERISTICS ...................................................................... 8?
2.? Functional Description .............................................................................................. 9?
2.1.? MEASURING DIRECTIONS .................................................................................................... 9?
2.2.? VOLTAGE TO ACCELERATION CONVERSION .......................................................................... 9?
2.3.? RATIOMETRIC OUTPUT ....................................................................................................... 9?
2.4.? SELFTEST AND FAILURE DETECTION MODES ......................................................................... 9?
3.? Mechanical Specification ........................................................................................ 11?
3.1.? DIMENSIONS .................................................................................................................... 11?
4.? Application information ............................................................................................ 12?
4.1.? RECOMMENDED PCB LAY-OUT ......................................................................................... 12?
4.2.? REFLOW SOLDERING ........................................................................................................ 13?
Murata Electronics Oy 2/14
www.muratamems.fi Doc. nr. 82 841 00 Rev.B
SCA630-EDCV1B
Datasheet
SCA630-EDCV1B SINGLE AXIS ACCELEROMETER WITH ANALOG
INTERFACE
The SCA630 accelerometer consists of a silicon bulk micro machined sensing element chip and a signal
conditioning ASIC. The chips are mounted on a pre-molded package and wire bonded to appropriate contacts.
The sensing element and ASIC are protected with silicone gel and lid. The sensor has 8 SMD legs (Gull-wing
type).
Applications
Features
? Single +5 V supply
SCA630 product family is targeted to automotive
? Current consumption 2.5 mA typical
applications with high stability and reliability
? Ratiometric output in relation to supply
requirements. Typical applications include:
voltage (Vdd = 4.75 V...5.25 V)
? Electronic Stability Control (ESC)
? Enhanced failure detection features
? Engine Vibration Measurement
o Digitally activated, true self-test by
? Roll Over
proof mass deflection using
? Suspension
electrostatic force
o Memory parity check during power ? Inclination
up, and self-test cycle.
o Built in connection failure detection
? Digitally activated, true self-test by proof
mass deflection using electrostatic force
? Wide load drive capability (max. 20 nF)
? True DC response?
? Qualified according to AEC-Q100 standard
5V supply
Gain &
Measurement
filtering
Vout
circuitry
Sensing
EEPROM for calibration
element
Digital self
constants (32 bit, pari ty check)
test input
ASIC
4 programming lines
GND
for factory use only
Figure 1. Functional block diagram.
Murata Electronics Oy 1/13
www.muratamems.fi Doc.nr. 82 841 00 Rev.B
SCA630-EDCV1B
Datasheet
SCA630-EDCV1B SINGLE AXIS ACCELEROMETER WITH ANALOG
INTERFACE
The SCA630 accelerometer consists of a silicon bulk micro machined sensing element chip and a signal
conditioning ASIC. The chips are mounted on a pre-molded package and wire bonded to appropriate contacts.
The sensing element and ASIC are protected with silicone gel and lid. The sensor has 8 SMD legs (Gull-wing
type).
Applications
Features
? Single +5 V supply
SCA630 product family is targeted to automotive
? Current consumption 2.5 mA typical
applications with high stability and reliability
? Ratiometric output in relation to supply
requirements. Typical applications include:
voltage (Vdd = 4.75 V...5.25 V)
? Electronic Stability Control (ESC)
? Enhanced failure detection features
? Engine Vibration Measurement
o Digitally activated, true self-test by
? Roll Over
proof mass deflection using
? Suspension
electrostatic force
o Memory parity check during power ? Inclination
up, and self-test cycle.
o Built in connection failure detection
? Digitally activated, true self-test by proof
mass deflection using electrostatic force
? Wide load drive capability (max. 20 nF)
? True DC response?
? Qualified according to AEC-Q100 standard
5V supply
Gain &
Measurement
filtering
Vout
circuitry
Sensing
EEPROM for calibration
element
Digital self
constants (32 bit, pari ty check)
test input
ASIC
4 programming lines
GND
for factory use only
Figure 1. Functional block diagram.
Murata Electronics Oy 1/13
www.muratamems.fi Doc.nr. 82 841 00 Rev.B
SCA630-EDCV1B
Table of Contents
SCA630-EDCV1B single axis accelerometer with analog interface ................................... 1?
FEATURES .................................................................................................................................... 1?
APPLICATIONS .............................................................................................................................. 1?
TABLE OF CONTENTS .................................................................................................................... 2?
1.? Electrical Specifications ............................................................................................ 3?
1.1.? ABSOLUTE MAXIMUM RATINGS ............................................................................................ 3?
1.2.? PERFORMANCE CHARACTERISTICS ..................................................................................... 3?
1.3.? OFFSET AND SENSITIVITY CALIBRATION ................................................................................ 4?
1.4.? ERROR CALCULATIONS ....................................................................................................... 4?
1.5.? SUPPLY VOLTAGE ............................................................................................................... 5?
1.6.? ELECTRICAL CONNECTION .................................................................................................. 6?
1.7.? LIMITER FUNCTION ............................................................................................................. 7?
1.8.? TYPICAL PERFORMANCE CHARACHTERISTICS ...................................................................... 8?
2.? Functional Description .............................................................................................. 9?
2.1.? MEASURING DIRECTIONS .................................................................................................... 9?
2.2.? VOLTAGE TO ACCELERATION CONVERSION .......................................................................... 9?
2.3.? RATIOMETRIC OUTPUT ....................................................................................................... 9?
2.4.? SELFTEST AND FAILURE DETECTION MODES ......................................................................... 9?
3.? Mechanical Specification ........................................................................................ 11?
3.1.? DIMENSIONS .................................................................................................................... 11?
4.? Application information ............................................................................................ 12?
4.1.? RECOMMENDED PCB LAY-OUT ......................................................................................... 12?
4.2.? REFLOW SOLDERING ........................................................................................................ 13?
Murata Electronics Oy 2/14
www.muratamems.fi Doc. nr. 82 841 00 Rev.B
SCA630-EDCV1B
1. Electrical Specifications
1.1. Absolute Maximum Ratings
Parameter Value Units
(1
Acceleration (powered or non-powered) 20 000 g
Supply voltage ?0.3 to +7.0 V
Voltage at input / output pins ?0.3 to V + 0.3 V
DD
ESD HBM (Human Body Model) ?2 kV
ESD CDM (Charged Device Model) V
?500 middle pins
?750 corner pins
Temperature range (storage) ?50 to +125 ?C
Temperature range (operating) ?40 to +125 ?C
1
Equals to drop from 1 meter on a concrete surface.
1.2. Performance Characteristics
V = 5.00 V and ambient temperature unless otherwise specified.
DD
A)
KPC Parameter Condition Min. Typ Max. Units
Measuring range Nominal -12.3 +13.3 g
Supply voltage Vdd 4.75 5.0 5.25 V
<CC> Current consumption Vdd = 5 V; No load 2.5 4.0 mA
Operating temperature ?40 +125 ?C
Resistive output load Vout to Vdd or Vss 20 k?
Capacitive load Vout to Vdd or Vss 20 nF
Min. output voltage; Vdd = 5 V 20k from Vout to Vdd 0 0.25 V
Max. output voltage; Vdd = 5 V 20k from Vout to Vss 4.75 5.00 V
0.5 4.5 V
Linear output voltage range Limiter function
enabled
<CC> Offset (Output at +1 g) @ room temperature Vdd/2 V
<CC> Sensitivity @ room temperature 0.150 V/g
(0.03*Vdd)
<SC> Offset Error (Output at +1 g) ?40 ?C...125 ?C -870 0 +870 mg
<SC> Sensitivity error ?40 ?C...125 ?C ?5 0 +5 %
Typical non-linearity Within the measuring ?400 +400 mg
range
B)
Amplitude response ?3 dB 250 400 550 Hz
Ratiometric error Vdd = 4.75 V...5.25 V ?2 +2 %
<SC> Cross-axis sensitivity @ room temperature 3.9 %
Output noise From DC...4 kHz 5 mV
rms
Start-up delay Reset and parity check 10 ms
Self test pull down resistor 44 62 80 k ?
(Internal)
1. CC= Critical Characteristics. Must be 100% monitored during production
SC= Significant Characteristic. The process capability (Cpk) must be better than 1.33, which allows sample based
testing. If process is not capable the part will be 100% tested
2. Output has true DC response
Murata Electronics Oy 3/14
www.muratamems.fi Doc. nr. 82 841 00 Rev.B
SCA630-EDCV1B
Datasheet
SCA630-EDCV1B SINGLE AXIS ACCELEROMETER WITH ANALOG
INTERFACE
The SCA630 accelerometer consists of a silicon bulk micro machined sensing element chip and a signal
conditioning ASIC. The chips are mounted on a pre-molded package and wire bonded to appropriate contacts.
The sensing element and ASIC are protected with silicone gel and lid. The sensor has 8 SMD legs (Gull-wing
type).
Applications
Features
? Single +5 V supply
SCA630 product family is targeted to automotive
? Current consumption 2.5 mA typical
applications with high stability and reliability
? Ratiometric output in relation to supply
requirements. Typical applications include:
voltage (Vdd = 4.75 V...5.25 V)
? Electronic Stability Control (ESC)
? Enhanced failure detection features
? Engine Vibration Measurement
o Digitally activated, true self-test by
? Roll Over
proof mass deflection using
? Suspension
electrostatic force
o Memory parity check during power ? Inclination
up, and self-test cycle.
o Built in connection failure detection
? Digitally activated, true self-test by proof
mass deflection using electrostatic force
? Wide load drive capability (max. 20 nF)
? True DC response?
? Qualified according to AEC-Q100 standard
5V supply
Gain &
Measurement
filtering
Vout
circuitry
Sensing
EEPROM for calibration
element
Digital self
constants (32 bit, pari ty check)
test input
ASIC
4 programming lines
GND
for factory use only
Figure 1. Functional block diagram.
Murata Electronics Oy 1/13
www.muratamems.fi Doc.nr. 82 841 00 Rev.B
SCA630-EDCV1B
Datasheet
SCA630-EDCV1B SINGLE AXIS ACCELEROMETER WITH ANALOG
INTERFACE
The SCA630 accelerometer consists of a silicon bulk micro machined sensing element chip and a signal
conditioning ASIC. The chips are mounted on a pre-molded package and wire bonded to appropriate contacts.
The sensing element and ASIC are protected with silicone gel and lid. The sensor has 8 SMD legs (Gull-wing
type).
Applications
Features
? Single +5 V supply
SCA630 product family is targeted to automotive
? Current consumption 2.5 mA typical
applications with high stability and reliability
? Ratiometric output in relation to supply
requirements. Typical applications include:
voltage (Vdd = 4.75 V...5.25 V)
? Electronic Stability Control (ESC)
? Enhanced failure detection features
? Engine Vibration Measurement
o Digitally activated, true self-test by
? Roll Over
proof mass deflection using
? Suspension
electrostatic force
o Memory parity check during power ? Inclination
up, and self-test cycle.
o Built in connection failure detection
? Digitally activated, true self-test by proof
mass deflection using electrostatic force
? Wide load drive capability (max. 20 nF)
? True DC response?
? Qualified according to AEC-Q100 standard
5V supply
Gain &
Measurement
filtering
Vout
circuitry
Sensing
EEPROM for calibration
element
Digital self
constants (32 bit, pari ty check)
test input
ASIC
4 programming lines
GND
for factory use only
Figure 1. Functional block diagram.
Murata Electronics Oy 1/13
www.muratamems.fi Doc.nr. 82 841 00 Rev.B
SCA630-EDCV1B
Table of Contents
SCA630-EDCV1B single axis accelerometer with analog interface ................................... 1?
FEATURES .................................................................................................................................... 1?
APPLICATIONS .............................................................................................................................. 1?
TABLE OF CONTENTS .................................................................................................................... 2?
1.? Electrical Specifications ............................................................................................ 3?
1.1.? ABSOLUTE MAXIMUM RATINGS ............................................................................................ 3?
1.2.? PERFORMANCE CHARACTERISTICS ..................................................................................... 3?
1.3.? OFFSET AND SENSITIVITY CALIBRATION ................................................................................ 4?
1.4.? ERROR CALCULATIONS ....................................................................................................... 4?
1.5.? SUPPLY VOLTAGE ............................................................................................................... 5?
1.6.? ELECTRICAL CONNECTION .................................................................................................. 6?
1.7.? LIMITER FUNCTION ............................................................................................................. 7?
1.8.? TYPICAL PERFORMANCE CHARACHTERISTICS ...................................................................... 8?
2.? Functional Description .............................................................................................. 9?
2.1.? MEASURING DIRECTIONS .................................................................................................... 9?
2.2.? VOLTAGE TO ACCELERATION CONVERSION .......................................................................... 9?
2.3.? RATIOMETRIC OUTPUT ....................................................................................................... 9?
2.4.? SELFTEST AND FAILURE DETECTION MODES ......................................................................... 9?
3.? Mechanical Specification ........................................................................................ 11?
3.1.? DIMENSIONS .................................................................................................................... 11?
4.? Application information ............................................................................................ 12?
4.1.? RECOMMENDED PCB LAY-OUT ......................................................................................... 12?
4.2.? REFLOW SOLDERING ........................................................................................................ 13?
Murata Electronics Oy 2/14
www.muratamems.fi Doc. nr. 82 841 00 Rev.B
SCA630-EDCV1B
Datasheet
SCA630-EDCV1B SINGLE AXIS ACCELEROMETER WITH ANALOG
INTERFACE
The SCA630 accelerometer consists of a silicon bulk micro machined sensing element chip and a signal
conditioning ASIC. The chips are mounted on a pre-molded package and wire bonded to appropriate contacts.
The sensing element and ASIC are protected with silicone gel and lid. The sensor has 8 SMD legs (Gull-wing
type).
Applications
Features
? Single +5 V supply
SCA630 product family is targeted to automotive
? Current consumption 2.5 mA typical
applications with high stability and reliability
? Ratiometric output in relation to supply
requirements. Typical applications include:
voltage (Vdd = 4.75 V...5.25 V)
? Electronic Stability Control (ESC)
? Enhanced failure detection features
? Engine Vibration Measurement
o Digitally activated, true self-test by
? Roll Over
proof mass deflection using
? Suspension
electrostatic force
o Memory parity check during power ? Inclination
up, and self-test cycle.
o Built in connection failure detection
? Digitally activated, true self-test by proof
mass deflection using electrostatic force
? Wide load drive capability (max. 20 nF)
? True DC response?
? Qualified according to AEC-Q100 standard
5V supply
Gain &
Measurement
filtering
Vout
circuitry
Sensing
EEPROM for calibration
element
Digital self
constants (32 bit, pari ty check)
test input
ASIC
4 programming lines
GND
for factory use only
Figure 1. Functional block diagram.
Murata Electronics Oy 1/13
www.muratamems.fi Doc.nr. 82 841 00 Rev.B
SCA630-EDCV1B
Datasheet
SCA630-EDCV1B SINGLE AXIS ACCELEROMETER WITH ANALOG
INTERFACE
The SCA630 accelerometer consists of a silicon bulk micro machined sensing element chip and a signal
conditioning ASIC. The chips are mounted on a pre-molded package and wire bonded to appropriate contacts.
The sensing element and ASIC are protected with silicone gel and lid. The sensor has 8 SMD legs (Gull-wing
type).
Applications
Features
? Single +5 V supply
SCA630 product family is targeted to automotive
? Current consumption 2.5 mA typical
applications with high stability and reliability
? Ratiometric output in relation to supply
requirements. Typical applications include:
voltage (Vdd = 4.75 V...5.25 V)
? Electronic Stability Control (ESC)
? Enhanced failure detection features
? Engine Vibration Measurement
o Digitally activated, true self-test by
? Roll Over
proof mass deflection using
? Suspension
electrostatic force
o Memory parity check during power ? Inclination
up, and self-test cycle.
o Built in connection failure detection
? Digitally activated, true self-test by proof
mass deflection using electrostatic force
? Wide load drive capability (max. 20 nF)
? True DC response?
? Qualified according to AEC-Q100 standard
5V supply
Gain &
Measurement
filtering
Vout
circuitry
Sensing
EEPROM for calibration
element
Digital self
constants (32 bit, pari ty check)
test input
ASIC
4 programming lines
GND
for factory use only
Figure 1. Functional block diagram.
Murata Electronics Oy 1/13
www.muratamems.fi Doc.nr. 82 841 00 Rev.B
SCA630-EDCV1B
Table of Contents
SCA630-EDCV1B single axis accelerometer with analog interface ................................... 1?
FEATURES .................................................................................................................................... 1?
APPLICATIONS .............................................................................................................................. 1?
TABLE OF CONTENTS .................................................................................................................... 2?
1.? Electrical Specifications ............................................................................................ 3?
1.1.? ABSOLUTE MAXIMUM RATINGS ............................................................................................ 3?
1.2.? PERFORMANCE CHARACTERISTICS ..................................................................................... 3?
1.3.? OFFSET AND SENSITIVITY CALIBRATION ................................................................................ 4?
1.4.? ERROR CALCULATIONS ....................................................................................................... 4?
1.5.? SUPPLY VOLTAGE ............................................................................................................... 5?
1.6.? ELECTRICAL CONNECTION .................................................................................................. 6?
1.7.? LIMITER FUNCTION ............................................................................................................. 7?
1.8.? TYPICAL PERFORMANCE CHARACHTERISTICS ...................................................................... 8?
2.? Functional Description .............................................................................................. 9?
2.1.? MEASURING DIRECTIONS .................................................................................................... 9?
2.2.? VOLTAGE TO ACCELERATION CONVERSION .......................................................................... 9?
2.3.? RATIOMETRIC OUTPUT ....................................................................................................... 9?
2.4.? SELFTEST AND FAILURE DETECTION MODES ......................................................................... 9?
3.? Mechanical Specification ........................................................................................ 11?
3.1.? DIMENSIONS .................................................................................................................... 11?
4.? Application information ............................................................................................ 12?
4.1.? RECOMMENDED PCB LAY-OUT ......................................................................................... 12?
4.2.? REFLOW SOLDERING ........................................................................................................ 13?
Murata Electronics Oy 2/14
www.muratamems.fi Doc. nr. 82 841 00 Rev.B
SCA630-EDCV1B
1. Electrical Specifications
1.1. Absolute Maximum Ratings
Parameter Value Units
(1
Acceleration (powered or non-powered) 20 000 g
Supply voltage -0.3 to +7.0 V
Voltage at input / output pins -0.3 to V + 0.3 V
DD
ESD HBM (Human Body Model) ?2 kV
ESD CDM (Charged Device Model) V
?500 middle pins
?750 corner pins
Temperature range (storage) -50 to +125 ?C
Temperature range (operating) -40 to +125 ?C
1
Equals to drop from 1 meter on a concrete surface.
1.2. Performance Characteristics
V = 5.00 V and ambient temperature unless otherwise specified.
DD
A)
KPC Parameter Condition Min. Typ Max. Units
Measuring range Nominal -12.3 +13.3 g
Supply voltage Vdd 4.75 5.0 5.25 V
<CC> Current consumption Vdd = 5 V; No load 2.5 4.0 mA
Operating temperature -40 +125 ?C
Resistive output load Vout to Vdd or Vss 20 k?
Capacitive load Vout to Vdd or Vss 20 nF
Min. output voltage; Vdd = 5 V 20k from Vout to Vdd 0 0.25 V
Max. output voltage; Vdd = 5 V 20k from Vout to Vss 4.75 5.00 V
0.5 4.5 V
Linear output voltage range Limiter function
enabled
<CC> Offset (Output at +1 g) @ room temperature Vdd/2 V
<CC> Sensitivity @ room temperature 0.150 V/g
(0.03*Vdd)
<SC> Offset Error (Output at +1 g) -40 ?C...125 ?C -870 0 +870 mg
<SC> Sensitivity error -40 ?C...125 ?C -5 0 +5 %
Typical non-linearity Within the measuring -400 +400 mg
range
B)
Amplitude response -3 dB 250 400 550 Hz
Ratiometric error Vdd = 4.75 V...5.25 V -2 +2 %
<SC> Cross-axis sensitivity @ room temperature 3.9 %
Output noise From DC...4 kHz 5 mV
rms
Start-up delay Reset and parity check 10 ms
Self test pull down resistor 44 62 80 k ?
(Internal)
1. CC= Critical Characteristics. Must be 100% monitored during production
SC= Significant Characteristic. The process capability (Cpk) must be better than 1.33, which allows sample based
testing. If process is not capable the part will be 100% tested
2. Output has true DC response
Murata Electronics Oy 3/14
www.muratamems.fi Doc. nr. 82 841 00 Rev.B