This document contains information for a new product, including its features and characteristics.
The CS8421 is a 32‑bit, high‑performance, monolithic CMOS stereo asynchronous sample‑rate converter designed for digital audio applications such as recording systems, mixing consoles, and automotive audio. It supports 16‑ to 32‑bit data and can operate with or without an external master clock.
This document contains a general description, pin‑out tables for TSSOP and QFN packages, detailed electrical characteristics, performance plots, typical connection diagrams, thermal data, and revision history. It also lists ordering information and package options.
| Resolution | 32‑bit |
|---|---|
| Maximum Sample Rate | 211 kHz |
| Dynamic Range | 175 dB |
| THD+N | -140 dB |
| Package Options | 20‑pin TSSOP and QFN |
| Core Power Supply | 2.5 V |
| Logic Power (VL) | 3.3 V or 5.0 V |
The CS8421 supports sample rates up to 211 kHz.
No, the CS8421 can operate without an external master clock by using its integrated oscillator.
The CS8421 is offered in space‑saving 20‑pin TSSOP and QFN packages.
The device provides a dynamic range of 175 dB.