DESCRIPTION
The WM8739 is a stereo audio ADC. The WM8739 is designed specifically for portable MP3 audio and speech players and recorders. The WM8739 is also ideal for MD, CD-RW machines and DAT recorders.
FEATURES
• 90dB SNR (‘A’ weighted @ 48kHz) ADC
• Low Power
- Recording: 37mW (WM8739) / 12mW
- Standby and Powerdown modes down to 1µA
• Low Supply Voltages
- 2.7 – 3.6V Analogue Supply
- 1.42 – 3.6V Digital Supply
• Selectable Sample Rate: 8kHz – 96kHz
• Selectable ADC High Pass Filter
• 2 or 3-Wire MPU Serial Control Interface
• Programmable Audio Data Interface Modes
- I2S, Left, Right Justified or DSP
- 16/20/24/32 bit Word Lengths
- Master or Slave Clocking Mode
• 20-lead SSOP
APPLICATIONS
• CD, Minidisc and DAT Recorders
• General Purpose Audio Digitisation
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