FEATURES

AC ’97 2.3 COMPATIBLE FEATURES

S/PDIF Output, 20 Bits Data Format, Supporting

48 kHz and 44.1 kHz Sample Rates

Integrated Stereo Headphone Amplifier

Variable Sample Rate Audio

External Audio Power-Down Control

Greater than 90 dB Dynamic Range

Stereo Full-Duplex Codec

20-Bit PCM DAC

3 Analog Line-Level Stereo Inputs for Line-In, AUX, and CD

Mono Line-Level Phone Input

Dual MIC Input with Built-In Programmable Preamp

High Quality CD Input with Ground Sense

Mono Output for Speakerphone or Internal Speaker

Power Management Support

48-Lead LQFP Package, Lead-Free Available

ENHANCED FEATURES

Stereo MIC Preamps Support

Built-In Digital Equalizer Function for Optimized Speaker Sound

Full-Duplex Variable Sample Rates from 7040 Hz to 48 kHz with 1 Hz Resolution

Jack Sense Pins Provide Automatic Output Switching

Software Programmed VREFOUT Output for Biasing Microphone and External Power Amp

Split Power Supplies: 3.3 V Digital and 5 V Analog

Multiple Codec Configuration Options

AD1981BJST属于集成电路（IC） > 编解码器。亚德诺半导体技术有限公司制造生产的AD1981BJST编解码器编解码器是用于通过压缩和解压缩来转换数据的半导体器件。数据压缩可提高传输速度并减少存储空间。某些编解码器提供高达 32 位的分辨率，并且分别提供多达 6 个或 8 个模数转换器和数模转换器。除三角积分调制外，还有 I2C、I2S、SPI、串行、HDA、S/DIF、PCM、USB、AC'97 和 SLIMbus 数据接口。