Product Information

WM9712CLGEFL/V

WM9712CLGEFL/V electronic component of Cirrus Logic

Datasheet
Interface - CODECs STEREO AC97 CODEC T/P INTERFACE

Manufacturer: Cirrus Logic
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



Price (USD)
N/A

Obsolete
Availability Price Quantity
0 - WHS 1

MOQ : 5
Multiples : 1

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WM9712CLGEFL/V
Cirrus Logic

5 : USD 5.1831
25 : USD 4.68
75 : USD 4.0716
200 : USD 3.6738
N/A

Obsolete
0 - WHS 2

MOQ : 416
Multiples : 416

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WM9712CLGEFL/V
Cirrus Logic

416 : USD 8.4723
832 : USD 7.7175
1664 : USD 7.2765
2496 : USD 6.8355
3328 : USD 6.3945
4160 : USD 5.9535
41600 : USD 5.5125
N/A

Obsolete
0 - WHS 3

MOQ : 1
Multiples : 1

Stock Image

WM9712CLGEFL/V
Cirrus Logic

1 : USD 9.9338
10 : USD 8.6184
25 : USD 8.2188
100 : USD 7.56
N/A

Obsolete
     
Manufacturer
Product Category
RoHS - XON
Icon ROHS
Type
Resolution
Conversion Rate
Interface Type
Number of ADCs
Number of DACs
Operating Supply Voltage
Maximum Operating Temperature
Minimum Operating Temperature
Package / Case
Packaging
Product
Mounting Style
Brand
Snr
Supply Voltage - Max
Supply Voltage - Min
Series
Cnhts
Hts Code
Mxhts
Product Type
Snr - Signal To Noise Ratio
Factory Pack Quantity :
Subcategory
Taric
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WM9712L w AC97 Audio and Touchpanel CODEC DESCRIPTION FEATURES AC97 Rev 2.2 compatible stereo CODEC The WM9712L is a highly integrated input / output device - DAC SNR 94dB, THD 87dB designed for mobile computing and communications. The - ADC SNR 92dB, THD 87dB device can connect directly to a 4-wire or 5-wire touchpanel, - Variable Rate Audio, supports all WinCE sample rates mono or stereo microphones, stereo headphones and a - Tone Control, Bass Boost and 3D Enhancement mono speaker, reducing total component count in the On-chip 45mW headphone driver system. Additionally, phone input and output pins are On-chip 400mW mono speaker driver provided for seamless integration with wireless Stereo, mono or differential microphone input communication devices. - Automatic Level Control (ALC) The WM9712L also offers up to four auxiliary ADC inputs for Auxiliary mono DAC (ring tone or DC level generation) analogue measurements such as temperature or light, and Seamless interface to wireless chipset five GPIO pins for interfacing to buttons or other digital Resistive touchpanel interface devices. To monitor the battery voltage in portable systems, - Supports 4-wire and 5-wire panels the WM9712L has two uncommitted comparator inputs. - 12-bit resolution, INL 2 LSBs (<0.5 pixels) - X, Y and touch-pressure (Z) measurement All device functions are accessed and controlled through a - Pen-down detection supported in Sleep Mode single AC-Link interface compliant with the AC97 standard. Up to 5 GPIO pins Additionally, the WM9712L can generate interrupts to 2 comparator inputs for battery monitoring indicate pen down, pen up, availability of touchpanel data, Up to 4 auxiliary ADC inputs low battery, dead battery, and GPIO conditions. 1.8V to 3.6V supplies The WM9712L operates at supply voltages from 1.8 to 3.6 7x7mm QFN Volts. Each section of the chip can be powered down under software control to save power. The device is available in a APPLICATIONS small leadless 7x7mm QFN package, ideal for use in hand- Personal Digital Assistants (PDA) held portable systems. Smartphones Handheld and Tablet Computers BLOCK DIAGRAM WOLFSON MICROELECTRONICS plc Production Data, November 2011, Rev 4.6 To receive regular email updates, sign up at WM9712L Production Data TABLE OF CONTENTS DESCRIPTION ....................................................................................................... 1 FEATURES ............................................................................................................ 1 APPLICATIONS ..................................................................................................... 1 BLOCK DIAGRAM ................................................................................................ 1 TABLE OF CONTENTS ......................................................................................... 2 PIN CONFIGURATION .......................................................................................... 4 ORDERING INFORMATION .................................................................................. 4 PIN DESCRIPTION ................................................................................................ 5 ABSOLUTE MAXIMUM RATINGS ........................................................................ 6 RECOMMENDED OPERATING CONDITIONS ..................................................... 6 ELECTRICAL CHARACTERISTICS ..................................................................... 7 AUDIO OUTPUTS ............................................................................................................ 7 AUDIO INPUTS ................................................................................................................ 8 AUXILIARY MONO DAC (AUXDAC) ................................................................................ 8 TOUCHPANEL AND AUXILIARY ADC ............................................................................ 9 COMPARATORS ............................................................................................................. 9 REFERENCE VOLTAGES ............................................................................................. 10 DIGITAL INTERFACE CHARACTERISTICS ................................................................. 10 HEADPHONE / SPEAKER OUTPUT THD VERSUS POWER ...................................... 11 POWER CONSUMPTION .............................................................................................. 12 DEVICE DESCRIPTION ...................................................................................... 13 INTRODUCTION ............................................................................................................ 13 AUDIO PATHS OVERVIEW ........................................................................................... 14 AUDIO INPUTS.................................................................................................... 15 LINE INPUT .................................................................................................................... 15 MICROPHONE INPUT ................................................................................................... 15 PHONE INPUT ............................................................................................................... 17 PCBEEP INPUT ............................................................................................................. 18 AUDIO ADC ......................................................................................................... 19 RECORD SELECTOR.................................................................................................... 20 RECORD GAIN .............................................................................................................. 21 AUTOMATIC LEVEL CONTROL .................................................................................... 22 AUDIO DACS ...................................................................................................... 25 STEREO DAC ................................................................................................................ 25 AUXILIARY DAC ............................................................................................................ 28 ANALOGUE AUDIO OUTPUTS .......................................................................... 29 HEADPHONE OUTPUTS HPOUTL AND HPOUTR ................................................... 29 EAR SPEAKER OUTPUT OUT3 ................................................................................. 30 LOUDSPEAKER OUTPUTS LOUT2 AND ROUT2 ..................................................... 31 PHONE OUTPUT (MONOOUT) ..................................................................................... 32 THERMAL SENSOR ...................................................................................................... 32 JACK INSERTION AND AUTO-SWITCHING ................................................................ 33 DIGITAL AUDIO (SPDIF) OUTPUT ............................................................................... 34 AUDIO MIXERS ............................................................................................................. 35 VARIABLE RATE AUDIO / SAMPLE RATE CONVERSION .............................. 37 TOUCHPANEL INTERFACE ............................................................................... 38 PRINCIPLE OF OPERATION - FOUR-WIRE TOUCHPANEL ....................................... 38 PRINCIPLE OF OPERATION - FIVE-WIRE TOUCHPANEL ......................................... 40 PD, Rev 4.6, November 2011 w 2

Tariff Desc

8542.39.23 No ..Linear/analogue and peripheral integrated circuits, timers, voltage regulators, A/D and D/A converters, telecommunication and modem integrated circuits, other than board level products Free

Electronic integrated circuits- Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
Cirrus
CIRRUS LOGIC
Cirrus Logic Inc
Cirrus Logic Inc.
Wolfson
Wolfson / Cirrus Logic
WOLFSON MICROELECTRONICS
Wolfson Microelectronics PLC

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