CS8421 datasheet(1/36 Pages) CIRRUS

Il numero della parte	CS8421

Spiegazioni elettronici	32-bit, 192 kHz Asynchronous Sample Rate Converter

PDF	36 Pages

Scroll/Zoom	100%

Produttore elettronici	CIRRUS [Cirrus Logic]

Homepage	http://www.cirrus.com

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1 / 36 page

Preliminary Product Information

This document contains information for a new product.

Cirrus Logic reserves the right to modify this product without notice.

1

Copyright

http://www.cirrus.com

CS8421

32-bit, 192 kHz Asynchronous Sample Rate Converter

Features

175 dB Dynamic Range

–140 dB THD+N

No Programming Required

No External Master Clock Required

Supports Sample Rates up to 211 kHz

Input/Output Sample Rate Ratios from 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 32-bit Data I/O

32-bit Internal Signal Processing

Dither Automatically Applied and Scaled to

Output Resolution

Flexible 3-Wire 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 Part Outputs are Phase Matched

Linear Phase FIR Filter

Automatic Soft Mute/Unmute

+2.5 V Digital Supply (VD)

+3.3 V or 5.0 V Digital Interface (VL)

Space Saving 20-pin TSSOP and QFN

Packages

I

Serial

Audio

Input

Time

Varying

Digital

Filters

BYPASS

Digital

PLL

Clock

Generator

ILRCK

ISCLK

SDIN

Sync Info

Data

Serial

Audio

Output

OLRCK

OSCLK

SDOUT

XTI

XTO

SRC_UNLOCK

2.5 V (VD)

GND

RST

Sync Info

Data

Level Translators

TDM_IN

MS_SEL

SAIF

SAOF

Serial

Port

Mode

Decoder

MCLK_OUT

3.3 V or 5.0 V (VL)

JAN ‘05

DS641PP1

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