CS8421-DZZR Cirrus Logic Inc, CS8421-DZZR Datasheet

CS8421-DZZR

Manufacturer Part Number

CS8421-DZZR

Description

IC,Digital Audio Sample Rate Converter,CMOS,TSSOP,20PIN

Manufacturer

Cirrus Logic Inc

Datasheets

1.CS8421-CNZR.pdf (38 pages)

2.CS8421-CNZR.pdf (36 pages)

Current page: 1 of 38
Download datasheet (655Kb)

Features

MS_SEL

ISCLK

ILRCK

SAOF

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

SDIN

SAIF

http://www.cirrus.com

32-bit, 192 kHz Asynchronous Sample Rate Converter

3.3 V or 5.0 V (VL)

Serial

Audio

Decoder

Input

Serial

Mode

RST

Port

Sync Info

Data

2.5 V (VD)

Varying

Digital

Filters

Digital

Time

PLL

Level Translators

Sync Info

Data

GND

The CS8421 supports sample rates up to 211 kHz and

is available in 20-pin TSSOP and QFN packages in both

Commercial (-10° to +70°C) and Automotive (-40° to

+85°C) grades. The CDB8421 Customer Demonstra-

tion board is also available for device evaluation and

implementation suggestions. Please see

formation” on page 36

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

BYPASS

XTI

Generator

Data

Clock

Output

XTO

Audio

Serial

for complete details.

CS8421

TDM_IN

SDOUT

OSCLK

OLRCK

SRC_UNLOCK

MCLK_OUT

“Ordering In-

DS641F1

JULY '06

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