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CS5471

更新时间: 2024-01-01 19:16:23
品牌 Logo 应用领域
凌云 - CIRRUS 转换器模数转换器
页数 文件大小 规格书
14页 346K
描述
DUAL CHANNEL DELTA SIGMA ANALOG TO DIGITAL CONVERTER

CS5471 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SSOP包装说明:SSOP, SSOP20,.3
针数:20Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.79最大模拟输入电压:0.8 V
最小模拟输入电压:-0.8 V转换器类型:ADC, DELTA-SIGMA
JESD-30 代码:R-PDSO-G20JESD-609代码:e0
长度:7.2 mm标称负供电电压:-2 V
模拟输入通道数量:2位数:16
功能数量:1端子数量:20
最高工作温度:85 °C最低工作温度:-40 °C
输出位码:2'S COMPLEMENT BINARY输出格式:SERIAL
封装主体材料:PLASTIC/EPOXY封装代码:SSOP
封装等效代码:SSOP20,.3封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH峰值回流温度(摄氏度):NOT SPECIFIED
电源:-2,3 V认证状态:Not Qualified
采样速率:1.25 MHz座面最大高度:2.13 mm
子类别:Analog to Digital Converters标称供电电压:3 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:5.3 mm
Base Number Matches:1

CS5471 数据手册

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CS5471  
Dual-Channel Delta-Sigma Analog-to-Digital Converter  
Features  
Description  
The CS5471 is a highly integrated Delta-Sigma (∆Σ) An-  
alog-to-Digital Converter (ADC) developed for the Power  
Measurement Industry. The CS5471 combines two ∆Σ  
ADCs, decimation filters, and a serial interface on a sin-  
gle chip. The CS5471 interfaces directly to a current  
transformer or shunt to measure current, and resistive  
divider or transformer to measure voltage. The product  
features a serial interface for communication with a mi-  
cro-controller or DSP. The product is initialized and fully  
functional upon reset, and includes a Voltage Reference.  
l Synchronous Sampling  
l On-chip 1.2 V Reference (25 ppm/°C typ.)  
l Power Supply Configurations:  
VA+ = +3 V; VA- = -2 V; VD+ = +3 V  
Supply tolerances 10%  
l Power Consumption  
10 mW Typical at VD+ = +3 V  
l Simple Four-wire Serial Interface  
l Charge Pump Driver output generates  
negative power supply.  
l Ground-Referenced Bipolar Inputs  
ORDERING INFORMATION:  
CS5471-BS -40°C to +85°C  
20-pin SSOP  
VA+  
RESET  
VD+  
SE  
GAIN  
OWRS  
SDO  
∆Σ  
x1, 20  
IIN  
IIN  
4th Order  
2nd Order  
Modulator  
∆Σ  
Modulator  
+
-
Decimation Filter  
Decimation Filter  
Serial  
Interface  
VIN  
VIN  
+
-
x1  
FSO  
SCLK  
x1  
VREFIN  
Voltage  
Reference  
Pulse Output  
Regulator  
VREFOUT  
CPD  
CLOCK  
XIN  
AGND  
VA-  
DGND  
This document contains information for a new product.  
Cirrus Logic reserves the right to modify this product without notice.  
Preliminary Product Information  
Copyright Cirrus Logic, Inc. 2001  
JUL ‘01  
P.O. Box 17847, Austin, Texas 78760  
(512) 445 7222 FAX: (512) 445 7581  
http://www.cirrus.com  
(All Rights Reserved)  
DS480PP5  
1

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