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參數(shù)資料
| 型號(hào)： | CDB4225 |
| 廠商： | Cirrus Logic, Inc. |
| 英文描述： | Digital Audio Conversion System |
| 中文描述： | 數(shù)字音頻轉(zhuǎn)換系統(tǒng) |
| 文件頁(yè)數(shù)： | 1/30頁(yè) |
| 文件大小： | 385K |
| 代理商： | CDB4225 |
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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. 1997
(All Rights Reserved)
Cirrus Logic, Inc.
Crystal Semiconductor Products Division
P.O. Box 17847, Austin, Texas 78760
(512) 445 7222 FAX: (512) 445 7581
http://www.crystal.com
CS4225
Digital Audio Conversion System
Features
l
Stereo 16-bit A/D Converters
l
Quad 16-bit D/A Converters
l
Sample Rates From 4 kHz to 50 kHz
l
>100 dB DAC Signal-to-Noise Ratio
l
Variable Bandwidth Auxiliary 12-bit A/D
l
Programmable Input Gain & Output
Attenuation
l
+5V Power Supply
l
On-chip Anti-aliasing and Output Smoothing
Filters
l
Error Correction and De-Emphasis
Description
The CS4225 is a single-chip, stereo analog-to-digital
and quad digital-to-analog converter using delta-sigma
conversion techniques. Applications include CD-quality
music, FM radio quality music, telephone-quality
speech. Four D/A converters make the CS4225 ideal for
surround sound and automotive applications.
The CS4225 is supplied in a 44-pin plastic package with
J-leads (PLCC) or as a die.
ORDERING INFORMATION
CS4225-KL
CS4225-BL
CS4225-YU
CDB4225
0° to 70° C
-40° to 85° C
-40° to 85° C
44-pin PLCC
44-pin PLCC
die
Evaluation Board
I
RST-PDN
OVL
SCL/CCLK/IF0
DEM
AD2/CDIN/CKF1
SDA/CDOUT/CKF0
VD+
AOUT1
LRCK
SCLK
SDIN1
SDIN2
SDOUT1
SDOUT2
DIF/HOLD
S
Control Port
D
w
D
DAC#1
Right
ADC
Left
ADC
Volume
Control
A
O
AD3/CS/IF1
VA+
AOUT2
IS0/AD0,
IS1/AD1
AIN1L
AIN1R
AIN2L
AIN2R
AIN3L
AIN3R
DAC#4
DAC#2
DAC#3
AINAUX
12-Bit
ADC
MUX
F
Clock Osc/
Divider
CLKOUT
XTI
XTO
PLL
FILT
Volume
Control
Volume
Control
Volume
Control
CL CR DATAUX
LRCKAUX
SCLKAUX
AGND1 DGND
Auxiliary Digital Input
I
G
AOUT3
AOUT4
H/S
CMOUT
VREF
Voltage
Reference
2
I
M
AGND2
NOV ‘93
DS86PP8
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