Cirrus Logic Inc. CS8421-EZZR

Description
The CS8421 is a 32bit, 192kHz asynchronous sample rate converter (SRC) that provides exceptional audio performance and flexibility. With a dynamic range of 175 dB and THD N of 140 dB, the CS8421 delivers pristine audio quality. It supports sample rates up to 211 kHz and offers input/output sample rate ratios of 7.5:1 to 1:8. The CS8421 also features master clock support for 128 x Fs, 256 x Fs, 384 x Fs, and 512 x Fs (Master Mode).

Features
32Bit, 192kHz Asynchronous Sample Rate Converter
175dB Dynamic Range
140dB THD N
No Programming Required
No External Master Clock Required
Supports Sample Rates up to 211 kHz
Input/Output Sample Rate Ratios of 7.5:1 to 1:8
Master Clock Support for 128 x Fs, 256 x Fs, 384 x Fs, and 512 x Fs (Master Mode)
16, 20, 24, or 32bit Data I/O
32bit Internal Signal Processing
Dither Automatically Applied and Scaled to Output Resolution
Flexible 3wire Serial Digital Audio Input and Output Ports
Master and Slave Modes for Both Input and Output
Bypass Mode
Time Division Multiplexing (TDM) Mode
Attenuates Clock Jitter
Multiple Device Outputs are Phase Matched
Linear Phase FIR Filter
Automatic Soft Mute/Unmute
2.5V Digital Supply (VD)
3.3V or 5.0V Digital Interface (VL)
Spacesaving 20pin TSSOP and QFN Packages

Applications
Digital Audio Converters
Digital Audio Players
Digital Audio Recorders
Digital Audio Workstations
Home Theater Systems
Professional Audio Equipment
Automotive Audio Systems