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參數資料
| 型號： | CS5504-BS |
| 廠商： | CRYSTAL SEMICONDUCTOR CORP |
| 元件分類： | ADC |
| 英文描述： | Low Power, 20-Bit A/D Converter |
| 中文描述： | 2-CH 20-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO20 |
| 封裝： | SOIC-20 |
| 文件頁數： | 1/24頁 |
| 文件大小： | 338K |
| 代理商： | CS5504-BS |
1
Copyright
(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
CS5504
CDB5504
CS5504
Low-power, 20-bit A/D Converter
Evaluation Board for CS5504 A/D Converter
Low-power, 20-bit A/D Converter
Features
l
Delta-
s
igma A/D Converter
-
20-bit
,
No Missing Codes
-
Linearity Error: ±0.0007%FS
l
2 Differential Inputs
-
Pin
-s
electable Unipolar/Bipolar Ranges
-
Common Mode Rejection
105 dB @ dc
120 dB @ 50, 60 Hz
l
Either 5V or 3.3V Digital Interface
l
On-chip Self-
c
alibration Circuitry
l
Output Update Rates up to 200/
Sps
l
Low Power Consumption: 4.4 mW
Description
The CS5504 is a 2-channel, fully differential 20-bit, seri-
al-output CMOS A/D converter. The CS5504 uses
charge-balanced (delta-sigma) techniques to provide a
low cost, high
-
resolution measurement at output word
rates up to 200 samples per second.
The on-chip digital filter offers superior line rejection at
50 Hz and 60 Hz when the device is operated from a
32.768 kHz clock (output word rate = 20
Sps
).
The CS5504 has on-chip self-calibration circuitry which
can be initiated at any time or temperature to ensure
minimum offset and full-scale errors.
Low power, high
-
resolution and small package size
make the CS5504 an ideal solution for loop-powered
transmitters, panel meters, weigh scales and battery-
powered instruments.
ORDERING INFORMATION
See
page 23
.
CS5504-BS
-40° to +85° C 20-pin SOIC
I
CS
AIN1-
A0
VREF+
VREF-
DGND
VD+
SCLK
SDATA
DRDY
CAL
BP/UP
CONV
XIN
AIN1+
8
10
1
12
13
16
2
18
19
20
4
7
3
5
AIN2-
AIN2+
9
11
XOUT
6
17
VA-
15
VA+
14
MUX
4th-Order
Delta-Sigma
Modulator
Digital
Filter
Calibration
μ
C
Serial
Interface
Logic
OSC
Calibration SRAM
MAR ‘95
DS126F1
DS1
26DB2
Copyright
Cirrus Logic, Inc. 2005
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相關代理商/技術參數 |
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|---|---|
| CS5504-BSZ | 制造商:Cirrus Logic 功能描述:A/D Converter (A-D) IC |
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