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发布者:微桥 发布时间:2011-12-28 阅读:4822次    关键字: 音频功放
AD12250A-24 bit,96 kHz Stereo A/D Converter


AD12250A-24 bit,96 kHz Stereo A/D Converter DataSheet

Features
􀁺 24-bit I2S audio data format output
􀁺 Single power supply 3.3 V for analog and digital
􀁺 Single-ended analog input with internal anti-alias
filter
􀁺 SNR: 98 dB (A-weighted)
􀁺 DR: 99 dB (A-weighted)
􀁺 THD: -91 dB
􀁺 Master/slave mode selection
􀁺 Multiple sampling frequencies (FS): 8~96 kHz
􀁺 System clock: 128 FS, 256 FS, 384 FS, 512 FS
􀁺 Power down function
􀁺 Internal PLL
􀁺 16-pin TSSOP package

Applications
􀁺 DVD recorders
􀁺 CD recorders
􀁺 MD players
􀁺 HDD players
􀁺 A/V receivers
􀁺 Personal Video recorders
􀁺 Musical Instrument
􀁺 Automotive audio applications

Description
    The AD12250A converts stereo single-ended analog input signals into 24-bit I2S digital audio data through on-chip anti-aliasing filter, multi-bit Σ-Δ modulator, decimation filter and high-pass filter which removes dc offsets. The AD12250A supports sampling frequencies from 8 kHz to 96 kHz and offers 128 FS, 256 FS, 384 FS or 512 FS system clock operation modes depending on sampling frequency and master/slave mode selection. The AD12250A is suitable for digital audio media applications which require high performance A/D conversion and low system cost.

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