DESCRIPTION

The WM8737L is a low power stereo audio ADC designed specifically for portable applications such as minidisc and memory audio / voice recorders.

FEATURES

• SNR 97dB (‘A’ weighted @ 3.3V, 48kHz, normal power mode)

• THD –85dB (at –1dB, 3.3V, normal power mode)

• Complete Stereo / Mono Microphone Interface

- Programmable microphone preamp

- Automatic Level Control

- Low-noise microphone bias voltage

• Configurable Power / Performance

• Low Power Mode

- 8.5mW at AVDD = 1.8V (stereo, mic preamps off)

- 20mW at AVDD = 3.3V (stereo, mic preamps off)

• Low Supply Voltages

- Analogue 1.8V to 3.6V

- Digital core: 1.42V to 3.6V

- Digital I/O: 1.8V to 3.6V

• 256fs / 384fs or USB master clock rates: 12MHz, 24MHz

• Audio sample rates: 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48, 88.2, 96kHz generated internally from master clock

• 32-pin QFN package, 5 x 5 x 0.9mm