參數(shù)資料
型號： CDB8421
廠商： Cirrus Logic, Inc.
英文描述： 32-bit, 192 kHz Asynchronous Sample Rate Converter
中文描述： 32位，192千赫異步采樣率轉換器
文件頁數(shù)： 1/36頁
文件大小： 646K
代理商： CDB8421
Preliminary Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
1
Copyright
Cirrus Logic, Inc. 2005
(All Rights Reserved)
http://www.cirrus.com
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
z
Flexible 3-Wire Serial Digital Audio Input and
Output Ports
z
Master and Slave Modes for
B
oth 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
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
Data
Level Translators
TDM_IN
MS_SEL
SAIF
SAOF
Serial
Port
Mode
Decoder
L
L
MCLK_OUT
3.3 V or 5.0 V (VL)
JAN ‘05
DS641PP1
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