24bit Sigma-Delta Audio ADC

Overview

The IP is a stereo A/D Converter based on TSMC 90nm LP RF process with wide sampling rate of 8kHz ~ 96kHz. It is suitable for multimedia audio system which supports stereo line/FM input or mono microphone input.

Key Features

Process: TSMC 90nm 1.2v/3.3v 1P6M LP RF process (with 2.0fF/um^2 MIM cap)
Stereo 24-bit ??ADC
Single-ended Analog Input
Sampling Rate Ranging from 8kHz to 96kHz
Master Clock: 256fs
SNR: 96dB@1.8V for 48kHz
DR: 95dB@1.8V for 48kHz
Digital HPF for DC-Offset cancel
Power Supply: Analog power supply 2.6V ~ 3V ~3.6V, Digital power supply 1.08V~ 1.2V ~ 1.32V
Operated Ambient Temperature: Ta = -40 ~ 85°C
Operated Junction Temperature: Tj = -40~125°C