WM9712LGEFL/V Wolfson Microelectronics, WM9712LGEFL/V Datasheet - Page 3

• Manufacturer Part Number: WM9712LGEFL/V
• Description: Multimedia Misc Stereo AC'97 CODEC T/P Interface
• Manufacturer: Wolfson Microelectronics
• Type: Audio and Touchpanel Codecr

Specifications of WM9712LGEFL/V

• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 25 C
• Mounting Style: SMD/SMT
• Package / Case: QFN
• Audio Codec Type: Stereo
• No. Of Adcs: 3
• No. Of Dacs: 3
• No. Of Input Channels: 8
• No. Of Output Channels: 4
• Adc / Dac Resolution: 12bit
• Adcs / Dacs Signal To Noise Ratio: 94dB
• Sampling Rate: 48kHz
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Production Data
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AUXILIARY ADC INPUTS ....................................................................................47
BATTERY ALARM AND ANALOGUE COMPARATORS ....................................48
GPIO AND INTERRUPT CONTROL ....................................................................51
AC97 DATA AND CONTROL INTERFACE .........................................................58
REGISTER MAP...................................................................................................62
APPLICATIONS INFORMATION .........................................................................71
PACKAGE DRAWING..........................................................................................76
IMPORTANT NOTICE ..........................................................................................77
PRINCIPLE OF OPERATION - FIVE-WIRE TOUCHPANEL........................................ 40
CONTROLLING THE TOUCHPANEL DIGITISER ....................................................... 42
BATTERY MEASUREMENT USING THE BMON/AUX3 PIN ....................................... 47
INTERFACE PROTOCOL............................................................................................ 58
INTERFACE TIMING ................................................................................................... 59
REGISTER BITS BY ADDRESS .................................................................................. 63
RECOMMENDED EXTERNAL COMPONENTS........................................................... 71
RECOMMENDED COMPONENTS VALUES ............................................................... 72
LINE OUTPUT ............................................................................................................. 72
AC-COUPLED HEADPHONE OUTPUT....................................................................... 73
DC COUPLED (CAPLESS) HEADPHONE OUTPUT ................................................... 73
BTL LOUDSPEAKER OUTPUT ................................................................................... 74
COMBINED HEADSET / BTL EAR SPEAKER............................................................. 74
COMBINED HEADSET / SINGLE-ENDED EAR SPEAKER......................................... 74
JACK INSERT DETECTION ........................................................................................ 75
HOOKSWITCH DETECTION....................................................................................... 75
ADDRESS:................................................................................................................... 77
PD Rev 4.5 August 2006
WM9712L
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