PCM1803A Overview
Description
The PCM1803A device is high-performance, lowcost, single-chip stereo analog-to-digital converter with single-ended analog voltage input. The PCM1803A uses a delta-sigma modulator with 64and 128-times oversampling, and includes a digital decimation filter and high-pass filter, which removes the DC component of the input signal.
Key Features
- 1 24-Bit Delta-Sigma Stereo A/D Converter
- Single-Ended Voltage Input: 3 Vp-p
- High-Performance: – THD+N: –95 dB (Typically) – SNR: 103 dB (Typically) – Dynamic Range: 103 dB (Typically)
- PCM Audio Interface: – Master or Slave Mode Selectable – Data Formats: – 24-Bit Left-Justified – 24-Bit I2S – 20-, 24-Bit Right-Justified
- Sampling Rate: 16 kHz to 96 kHz
- System Clock: 256 fS, 384 fS, 512 fS, 768 fS
- Dual Power Supplies: 5 V for Analog, 3.3 V for Digital
- Package: 20-Pin SSOP
