CS8421 Datasheet, PDF (1/36 Pages) Cirrus Logic – 32-bit, 192 kHz Asynchronous Sample Rate Converter

CS8421
32-bit, 192 kHz Asynchronous Sample Rate Converter
Features
z 175 dB Dynamic Range
z –140 dB THD+N
z No Programming Required
z No External Master Clock Required
z Supports Sample Rates up to 211 kHz
z Input/Output Sample Rate Ratios from 7.5:1
to 1:8
z Master Clock Support for 128 x f_s, 256 x f_s,
384 x f_s, and 512 x f_s (Master Mode)
z 16, 20, 24, or 32-bit Data I/O
z 32-bit Internal Signal Processing
z Dither Automatically Applied and Scaled to
Output Resolution
I
z Flexible 3-Wire Serial Digital Audio Input and
Output Ports
z Master and Slave Modes for Both Input and
Output
z Bypass Mode
z Time Division Multiplexing (TDM) Mode
z Attenuates Clock Jitter
z Multiple Part Outputs are Phase Matched
z Linear Phase FIR Filter
z Automatic Soft Mute/Unmute
z +2.5 V Digital Supply (VD)
z +3.3 V or 5.0 V Digital Interface (VL)
z Space Saving 20-pin TSSOP and QFN
Packages
RST
Level Translators
BYPASS
SDIN
ISCLK
ILRCK
Serial
Audio
Data
Input
Sync Info
Time
Varying
Digital
Filters
Data
Sync Info
MS_SEL
SAIF
SAOF
Serial
Port
Mode
Decoder
Digital
PLL
3.3 V or 5.0 V (VL)
2.5 V (VD) GND
Serial
Data ^Audio
Output
Clock
Generator
XTI XTO
TDM_IN
SDOUT
OSCLK
OLRCK
SRC_UNLOCK
MCLK_OUT
Preliminary Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
http://www.cirrus.com
Copyright © Cirrus Logic, Inc. 2005
(All Rights Reserved)
JAN ‘05
DS641PP1
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