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參數(shù)資料
| 型號： | CDB5394 |
| 廠商： | Cirrus Logic, Inc. |
| 英文描述： | 117 DB 48KHZ AUDIO A/D CONVERTER |
| 中文描述： | 117數(shù)據(jù)庫48KHz的音頻A / D轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/22頁 |
| 文件大小： | 422K |
| 代理商： | CDB5394 |
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. 1998
(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
CS5394
117 dB, 48 kHz Audio A/D Converter
Features
l
24-Bit Conversion
l
Complete CMOS Stereo A/D System
—
Delta-Sigma A/D Converters
—
Digital Anti-Alias Filtering
—
S/H Circuitry and Voltage Reference
l
Adjustable System Sampling Rates
—
including 32 kHz, 44.1 kHz and 48 kHz
l
117 dB Dynamic Range (A-Weighted)
l
-103 dB THD + N
l
Differential Analog Circuitry
l
Internal 64
×
Oversampling
l
Linear Phase Digital Anti-Alias Filtering
—
with >117 dB Stopband Attenuation
l
Single +5 V Power Supply
l
Power Down Mode
Description
The CS5394 is a complete analog-to-digital converter for
stereo digital audio systems. It performs sampling, ana-
log-to-digital
conversion
generating 24-bit values for both left and right inputs in
serial form. The output sample rate can be up to 50 kHz
per channel.
and
anti-alias
filtering,
The CS5394 uses 7th-order, delta-sigma modulation
with 64
×
oversampling followed by digital filtering and
decimation, which removes the need for an external anti-
alias filter. The ADC uses a differential architecture
which provides excellent noise rejection.
The CS5394 has a linear phase filter with passband of dc
to 22.1 kHz,
± 0.005 dB passband ripple and >117 dB
stopband rejection.
The CS5394 is targeted for the highest performance pro-
fessional audio systems requiring wide dynamic range,
negligible distortion and low noise.
ORDERING INFORMATION
CS5394-KS
CDB5394
-10° to 70° C
28-pin SOIC
Evaluation Board
I
Voltage Reference
Serial Output Interface
Digital
Decimation
Filter
High
Pass
Filter
High
Pass
Filter
Digital
Decimation
Filter
LP Filter
DAC
-
+
-
+
S/H
LP Filter
DAC
-
+
-
+
S/H
AINR+
VA
SCLK
SDATA MCLKD
16
PDN
14
20
19
24
27
VCOM
2
MCLKA
7
LRCK
13
ADCTL
6
LGND
22
TSTO1
8
AINR-
26
Comparator
Comparator
AINL+
4
AINL-
5
VREF
1
DFS
18
S/M
17
AGND
3
AGND
25
AGND
28
23
VL
TSTO2
21
VD
11
DGND
12
Calibration
Microcontroller
CAL
10
DACTL
9
DGND
15
MAY ‘98
DS258PP4
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相關(guān)代理商/技術(shù)參數(shù) |
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