WM8737L - Wolfson Microelectronics plc

WM8737L STEREO ADC WITH MICROPHONE PREAMPLIFIER

The WM8737L is a low power stereo audio ADC designed specifically for portable applications such as minidisc and memory audio / voice recorders. The device offers three sets of stereo inputs, which can be configured for line-level signals, for internal or table-top microphones, or for DC measurement (battery monitor). A programmable gain amplifier can be use.

Features

including gain controls, analogue or digital mono mixing, and power management facilities. The device is supplied in a leadless 5x5mm QFN package. FEATURES
 SNR 97dB (‘A’ weighted @ 3.3V, 48kHz, normal power mode)
 THD
  –84dB (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 -.