IBM 65nm Low Leakage Process 24 Bit Stereo Sigma-Delta ADC/DAC

Overview

The I65LPEV25_CODEC_04B integrates: 2-channel 24bit sigma-delta ADC, 2-channel 24bit sigma-delta DAC with headphone driver amplifier, and audio PLL to support a wide range of sample rates.

Key Features

  • Single-ended ADC: --THDN:-80dB --Dynamic Range, SNR: 90dB (A-Weighted)
  • DAC Line Output: --THDN:-85dB -- Dynamic Range, SNR: 96dB (A-Weighted) Headphone Driver Output: –THDN:-76dB -- Dynamic Range, SNR: 93dB (A-Weighted)
  • Audio Serial Interface: --32bit word length I2S mode --Slave/Master mode
  • 2-wire Serial Control Interface(I2C)
  • Master Clock is 256fs
  • Sampling Rates: --8kHz, 11.025kHz, 12kHz, 16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz, 48kHz and 96kHz
  • Power Supply: --1.2V Core Digital Supply typ. (1.02V-1.32V) --2.5V Pad and Analog Supply typ. (2.25V-2.75V)
  • Stereo Line Input and Mono Microphone Input
  • Stereo/Mono Mode
  • Internal PLL as the Audio CODEC Master Clock Generator
  • 32Ohm Headphone Drivers
  • 16Ohm Earphone Driver

Technical Specifications

Foundry, Node
IBM 65nm
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Semiconductor IP