PCM1804 - 具有差动输入的 112dB SNR 立体声 ADC

PCM1804是TI德州仪器公司的一款音频ADC产品，PCM1804是具有差动输入的 112dB SNR 立体声 ADC，本站介绍了PCM1804的封装应用图解、特点和优点、功能等，并给出了与PCM1804相关的TI元器件型号供参考。

PCM1804 - 具有差动输入的 112dB SNR 立体声 ADC - 音频ADC - 音频转换器 - 德州仪器

产品描述

The PCM1804 is a high-performance, single-chip stereo A/D converter with fully differential analog voltage input. The PCM1804 uses a precision delta-sigma modulator and includes a linear phase antialias digital filter and high-pass filter (HPF) that removes dc offset from the input signal. The PCM1804 is suitable for a wide variety of mid- to high-grade consumer and professional applications, where excellent performance and 5-V analog supply and 3.3-V digital power-supply operation are required. The PCM1804 can achieve both PCM audio and DSD format due to the precision delta-sigma modulator. The PCM1804 is fabricated using an advanced CMOS process and is available in a small 28-pin SSOP package.

产品特性

24-Bit Delta-Sigma Stereo A/D Converter
High Performance:
- Dynamic Range: 112 dB (Typical)
- SNR: 111 dB (Typical)
- THD+N: -102 dB (Typical)
High-Performance Linear Phase Antialias Digital Filter:
- Pass-Band Ripple: ±0.005 dB
- Stop-Band Attenuation: -100 dB
Fully Differential Analog Input: ±2.5 V
Audio Interface: Master- or Slave-Mode Selectable
Data Formats: Left-Justified, I2S, Standard 24-Bit, and DSD
Function:
- Peak Detection
- High-Pass Filter (HPF): -3 dB at 1 Hz, fS = 48 kHz
Sampling Rate up to 192 kHz
System Clock: 128 fS, 256 fS, 384 fS, 512 fS, or 768 fS
Dual Power Supplies:
- 5 V for Analog
- 3.3 V for Digital
Power Dissipation: 225 mW
Small 28-Pin SSOP
DSD Output: 1 Bit, 64 fS
APPLICATIONS
- AV Amplifier
- MD Player
- Digital VTR
- Digital Mixer
- Digital Recorder

System Two, Audio Precision are trademarks of Audio Precision, Inc. All other trademarks are the property of their respective owners.

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