PCM4220 - Texas Instruments

PCM4220 216kHz Sampling Multi-Bit Delta-Sigma Analog-to-Digital Converter

The PCM4220 is a high-performance, two-channel analog-to-digital (A/D) converter designed for use in professional audio applications. Offering outstanding dynamic performance, the PCM4220 provides 24-bit linear PCM output data, with support for output word length reduction to 20-, 18-, or 16-bits. The PCM4220 includes three sampling modes, supporting output .

Features

1
•234 Supports Linear PCM Output Data
  – Output Sampling Rates from 8kHz to 216kHz
• Differential Voltage Inputs
• On-Chip Voltage Reference Improves Power-Supply Noise Rejection
• Dynamic Performance (24-bit word length)
  – Dynamic Range (
  –60dB input, A-weighted): 123dB typical
  – Dynamic Range (
  –60dB input, 20kHz bandwidth): 121dB typical
  – Total Harmonic Distortion + Noise (
  –1dB input, 20kHz bandwidth):
  –108dB typical
  – Channel Separation: 135dB
• Low Power Dissipation:
  – 305mW typical for 48kHz sampling rate
  – 330mW typical for 96kHz sampling rate
  – 340mW typical for 192kHz sampling rate
• L.