Product Information

AS3931 DB

AS3931 DB electronic component of ams

Datasheet
RFID Transponder Tools AS3931 Full evaluation set

Manufacturer: ams
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



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Availability Price Quantity
0 - WHS 1

MOQ : 1
Multiples : 1
1 : USD 651.6358
N/A

Obsolete
0 - WHS 2

MOQ : 1
Multiples : 1
1 : USD 602.6087
N/A

Obsolete
     
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Cnhts
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austriamicrosystems AG is now ams AG The technical content of this austriamicrosystems datasheet is still valid. Contact information: Headquarters: ams AG Tobelbaderstrasse 30 8141 Unterpremstaetten, Austria Tel: +43 (0) 3136 500 0 e-Mail: ams sales ams.com Please visit our website at www.ams.com AS3931 Datasheet AS3931 3D Low Power Wakeup Receiver Error tolerant digital pattern correlator that detects a given code 1 General Description sequences in the received data signal and generates a wakeup signal. The AS3931 is an ultra low power, three channel LF ASK receiver designed to operate in various applications such as LF identifications Sophisticated power management logic that powers down the systems and LF tag receivers. AS3931 detects a low frequency correlator if no data is received. ASK-modulated signal by looking for a digital wakeup pattern and generates a WAKE signal after successful pattern detection. The device incorporates an intelligent pattern detection algorithm that 2 Key Features provides reliable operation in presence of strong interference. An RSSI signal can be generated at the RSSI pin for each receiver Programmable Serial Data Interface channel. Flexible carrier frequencies The product is available in 16-pin TSSOP package. Three axis wakeup pattern detection The AS3931 contains: Three axis LF field strength measurement Antenna rotation switch Antenna rotation for easy calibration Three independent LF receiver chains High sensitivity and high dynamic range Wakeup output combining the three receiver chains Wide operating frequency range Low power 32.768kHz crystal oscillator circuit Reliable, interference resistant wakeup decoding Serial programming interface Highly protected differential inputs Voltage regulator with 2.4V output, on/off switchable Ultra low power consumption Each independent LF receiver chain contains: Automotive qualified Input overload protection 16-pin TSSOP package Input attenuator Ultra low power LF amplifier with logarithmic envelope output 3 Applications Robust data detector with adaptive slicing threshold that The device is ideal for LF identification systems, LF tag receivers, translates the logarithmic envelope into a digital data signal. three dimensional LF field strength measurement systems, and Ultra low power wake up systems. Figure 1. Typical Application Diagram VCC C R BAT P C REG VCC VREG Transmitting LF1N RSSI RSSI Antenna DATA LF1P SDA CLOCK LF2N SCL CHIP SEL LF2P CS WAKE LF3N WAKE LF3P XOUT XTAL XIN GND C C A B www.austriamicrosystems.com/AS3931 Revision 6.2 1 - 30 ams AG Technical content still valid Receiving Antennas

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9027.10.00 Instruments and apparatus for physical or chemical analysis (eg, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes Free

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AMS
ams / CMOSIS
ams AG
AMS SENSORS GERMANY
AMS SENSORS GERMANY GMBH
AMS SENSORS UK LTD
Ams-Taos
AMS-TAOS USA Inc
AMS-TAOS USA Inc.
TAS

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