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WM9712CLGEFL/V +BOM

High-fidelity audio processing for diverse application

WM9712CLGEFL/V General Description

Audio, AC '97 Interface 12 b AC'97 48-QFN (7x7)

Key Features

  • AC’97 Rev 2.2 compatible stereo codec
  • DAC SNR 94 dB, THD –87 dB
  • ADC SNR 92 dB, THD –87 dB
  • Variable rate audio, supports all WinCE sample rates
  • Tone control, bass boost and 3D enhancement
  • On-chip 45mW headphone driver
  • On-chip 400mW mono speaker driver
  • Stereo, mono or differential microphone input
  • Automatic Level Control (ALC)
  • Auxiliary mono DAC (ring tone or DC level generation)
  • Seamless interface to wireless chipset
  • Resistive touchpanel interface
  • Supports 4-wire and 5-wire panels
  • 12-bit resolution, INL +2 LSBs (<0.5 pixels)
  • X, Y and touch-pressure (Z) measurement
  • Pen-down detection supported in sleep mode
  • Up to 5 GPIO pins
  • 2 comparator inputs for battery monitoring
  • Up to 4 auxiliary ADC inputs
  • 1.8V to 3.6V supplies
  • 7x7mm QFN

Specifications

Category Integrated Circuits (ICs)InterfaceCODECS Series -
Type Audio, AC '97 Data Interface AC'97
Resolution (Bits) 12 b Number of ADCs / DACs 2 / 2
Sigma Delta Yes S/N Ratio, ADCs / DACs (db) Typ 92 / 94
Dynamic Range, ADCs / DACs (db) Typ - Voltage - Supply, Analog 1.8V ~ 3.6V
Voltage - Supply, Digital 1.8V ~ 3.6V Operating Temperature -25°C ~ 85°C
Mounting Type Surface Mount Base Product Number WM9712

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