深圳市勤思达科技有限公司

PCM3000 / 3001是一种低成本的单芯片立体声音频编解码器（模拟 - 数字和数字 - 模拟转换器），与单端模拟电压输入和输出。

• Single 5-V Power Supply

• Monolithic 18-Bit ∆Σ ADC and DAC • Small Package: SSOP-28

• 16- or 18-Bit Input/Output Data

• Accepts Seven Alternate Formats

• Sampling Keyboards

• Stereo ADC:

• Digital Mixers

– Single-Ended Voltage Input

• Mini-Disk Recorders

– 64× Oversampling Digital Filter

• Hard-Disk Recorders

• Pass-Band Ripple: ±0.05 dB

• Karaoke Systems

• Stop-Band Attenuation: –65 dB

• DSP-Based Car Stereo

– High Performance:

• DAT Recorders

• THD+N: –88 dB • Video Conferencing

• SNR: 94 dB

• Dynamic Range: 94 dB

– Digital High-Pass Filter The PCM3000/3001 is a low-cost, single-chip stereo

audio codec (analog-to-digital and digital-to-analog

• Stereo DAC

converter) with single-ended analog voltage input and

– Single-Ended Voltage Outut

output.

– Analog Low-Pass Filter

Both ADCs and DACs employ delta-sigma modu–

8× Oversampling Digital Filter

lation with 64-times oversampling. The ADCs include

• Pass-Band Ripple: ±0.17 dB a digital decimation filter and the DACs include an

8-times oversampling digital interpolation filter. The

• Stop-Band Attenuation: 35 dB

DACs also include digital attenuation, de-emphasis,