Product Summary

The ALC201A is a AC 97 audio codec.

Parametrics

ALC201A absolute maximum ratings: (1)Power Supplies Digital: 3.0 to 3.6 V; (2)Power Supplies Analog: 4.5 to 5.5 V; (3)Operating Ambient Temperature: 0 to +70 ℃; (4)Storage Temperature: +125 ℃; (5)Susceptibility Voltage; (6)Others: Over 5000 V.

Features

ALC201A features: (1)Single chip audio CODEC with high S/N ratio (>90 dB).; (2)20-bit DAC, 18-bit ADC.; (3)Stereo full-duplex CODEC with independent and variable sampling rate.; (4)4 analog line-levestereo input with 5-bit volume contro: LINE_IN,CD,VIDEO,AUX; (5)2 analog line-levemono input : PC_BEEP,PHONE_IN.; (6)Mono output with 5-bit volume control.; (7)Stereo output with 6-bit volume control.; (8)2 MIC inputs: Software selectable.; (9)Power management and enhanced power saving.; (10)3D Stereo Enhancement; (11)ExternaAmplifier power down capability.; (12)Multiple CODEC extension.; (13)Compliant with AC 97 2.2 specification; (14)50mW/8W amplifier at LINE/ Headphone output; (15)Jack-detect function to mute LINE/MONO/HP output, to controS/PDIF output.; (16)Supports S/PDIF out is compliant with AC 97 rev2.2.; (17)2 GPIO pins.; (18)14.318MHzà24.576MHz digitaPLL.; (19)Supports double sampling rate (96KHz)of DVD audio playback.; (20)+30dB boost preamplifier for MIC input.; (21)Power support: Digital: 3.3V Analog: 3.3V/5V; (22)Standard 48-Pin LQFP Package.

Diagrams

ALC201A pin connection