CDB8421 Datasheet: 32-bit / 192 kHz Asynchronous Sample Rate Converter





CDB8421 32-bit / 192 kHz Asynchronous Sample Rate Converter Datasheet

Part Number CDB8421
Description 32-bit / 192 kHz Asynchronous Sample Rate Converter
Manufacture Cirrus Logic
Total Page 30 Pages
PDF Download Download CDB8421 Datasheet PDF

Features: CS8421 32-bit, 192 kHz Asynchronous Samp le Rate Converter Features z 175 z Flex ible 3-Wire Serial Digital Audio Input and dB Dynamic Range z –140 dB THD+N z No Programming Required z No Externa l Master Clock Required z Supports Samp le Rates up to 211 kHz z Input/Output S ample Rate Ratios from 7.5:1 to 1:8 z M aster Clock Support for 128 x fs, 256 x fs, 384 x fs, and 512 x fs (Master Mod e) z 16, 20, 24, or 32-bit Data I/O z 3 2-bit Internal Signal Processing z Dith er Automatically Applied and Scaled to Output Resolution I Output Ports z Mas ter and Slave Modes for Both Input and Output z Bypass Mode z Time Division Mu ltiplexing (TDM) Mode z Attenuates Cloc k Jitter z Multiple Part Outputs are Ph ase Matched z Linear Phase FIR Filter z Automatic Soft Mute/Unmute z +2.5 V Di gital Supply (VD) z +3.3 V or 5.0 V Dig ital Interface (VL) z Space Saving 20-p in TSSOP and QFN Packages RST Level Tr anslators BYPASS SDIN Level Translato rs ISCLK ILRCK Serial Audio Input Data Sync Info Time Varying Di.

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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 fs, 256 x fs,
384 x fs, and 512 x fs (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
1

                    
                    






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