WM8987L Overview
The WM8987L is a low power, high quality stereo CODEC designed for portable digital audio applications. The device integrates plete interfaces to stereo or mono microphones and a stereo BTL (differential) or single-ended headset. External ponent requirements are reduced as no separate microphone or headphone amplifiers are required.
WM8987L Key Features
- DAC SNR 98dB, ADC 90dB (‘A’ weighted) at 48kHz, 3.3V On-chip Headphone Driver
- Single-ended or BTL (differential) drive
- >40mW output power on 16Ω / 3.3V
- DAC to 32Ω BTL headphone: SNR 86dB, THD -66dB plete Stereo / Mono Microphone Interface
- Differential or single-ended mic connection
- Programmable ALC / Noise Gate Digital Equaliser Low Power
- Stereo playback 8 mW (1.8V / 1.5V supplies)
- Record and playback 13 mW (1.8V / 1.5V supplies) Low Supply Voltages
- Analogue 1.8V to 3.6V
- Digital core: 1.42V to 3.6V