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參數(shù)資料
| 型號： | CDB4220 |
| 廠商： | Cirrus Logic, Inc. |
| 元件分類： | Codec |
| 英文描述： | 24-Bit Stereo Audio Codec with 3V Interface |
| 中文描述： | 24位立體聲音頻編解碼器接口為3V |
| 文件頁數(shù)： | 1/32頁 |
| 文件大小： | 770K |
| 代理商： | CDB4220 |
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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. 1999
(All Rights Reserved)
P.O. Box 17847, Austin, Texas 78760
(512) 445 7222 FAX: (512) 445 7581
http://www.cirrus.com
24-Bit Stereo Audio Codec with 3V Interface
Features
l
100 dB Dynamic Range A/D Converters
l
100 dB Dynamic Range D/A Converters
l
105 dB DAC Signal-to-Noise Ratio (EIAJ)
l
Analog Volume Control (CS4221 only)
l
Differential Inputs / Outputs
l
On-chip Anti-aliasing and Output Smoothing
Filters
l
De-emphasis for 32, 44.1 and 48 kHz
l
Supports Master and Slave Modes
l
Single +5 V power supply
l
On-Chip Crystal Oscillator
l
3 - 5 V Digital Interface
Description
The CS4220/1 is a highly integrated, high performance,
24-bit, audio codec providing stereo analog-to-digital
and stereo digital-to-analog converters using delta-sig-
ma conversion techniques. The device operates from a
single +5 V power supply, and features low power con-
sumption. Selectable de-emphasis filter for 32, 44.1, and
48 kHz sample rates is also included.
The CS4221 also includes an analog volume control ca-
pable of 113.5 dB attenuation in 0.5 dB steps. The
analog volume control architecture preserves dynamic
range during attenuation. Volume control changes are
implemented using a “soft” ramping or zero crossing
technique.
Applications include digital effects processors, DAT, and
multitrack recorders.
ORDERING INFORMATION
CS4220-KS
CS4221-KS
CDB4220/1
-10 to +70 °C
-10 to +70 °C
28-pin SSOP
28-pin SSOP
Evaluation Board
I
SCL/CCLK SDA/CDIN AD0/CS
MCLK
VD
VA
RST
LRCK
SCLK
SDIN
SDOUT
DGND
AGND
AOUTL+
AOUTL-
AOUTR+
AOUTR-
AINL-
AINL+
AINR-
AINR+
Control Port
S
D
w
D
Left
DAC
Right
DAC
A
a
Voltage
Reference
Left
ADC
Right
ADC
Volume
Control
(
DIF1
)
(
DIF0
)
(
DEM0
)
I C/SPI
(
DEM1
)
Clock OSC
( ) = CS4220
Volume
Control
V
L
XTI
XTO
*
= CS4221
*
*
APR ‘00
DS284PP3
CS4220
CS4221
相關PDF資料 |
PDF描述 |
|---|---|
| CDB4221 | 24-Bit Stereo Audio Codec with 3V Interface |
| CDB4222 | 20-Bit Stereo Audio Codec with Volume Control |
| CDB4224 | 24-Bit 105 dB Audio Codec with Volume Control |
| CDB4223 | 24-Bit 105 dB Audio Codec with Volume Control |
| CDB4225 | Digital Audio Conversion System |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| CDB4221 | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:24-Bit Stereo Audio Codec with 3V Interface |
| CDB4222 | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:20-Bit Stereo Audio Codec with Volume Control |
| CDB4223 | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:24-Bit 105 dB Audio Codec with Volume Control |
| CDB4224 | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:24-Bit 105 dB Audio Codec with Volume Control |
| CDB4225 | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:Digital Audio Conversion System |
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