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ADS7812P PDF预览

ADS7812P

更新时间: 2024-11-17 22:53:39
品牌 Logo 应用领域
BB 转换器模数转换器光电二极管
页数 文件大小 规格书
17页 383K
描述
Low-Power, Serial 12-Bit Sampling ANALOG-TO-DIGITAL CONVERTER

ADS7812P 技术参数

是否Rohs认证:不符合生命周期:Transferred
Reach Compliance Code:unknown风险等级:5.72
Is Samacsys:N最大模拟输入电压:10 V
最小模拟输入电压:-10 V转换器类型:ADC, SUCCESSIVE APPROXIMATION
JESD-30 代码:R-PDIP-T16JESD-609代码:e0
最大线性误差 (EL):0.0244%模拟输入通道数量:1
位数:12功能数量:1
端子数量:16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:DIP封装等效代码:DIP16,.3
封装形状:RECTANGULAR封装形式:IN-LINE
电源:5 V认证状态:Not Qualified
采样速率:0.04 MHz采样并保持/跟踪并保持:SAMPLE
子类别:Analog to Digital Converters标称供电电压:5 V
表面贴装:NO技术:CMOS
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUALBase Number Matches:1

ADS7812P 数据手册

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®
ADS7812  
ADS7812  
ADS7812  
Low-Power, Serial 12-Bit Sampling  
ANALOG-TO-DIGITAL CONVERTER  
FEATURES  
DESCRIPTION  
20µs max CONVERSION TIME  
SINGLE +5V SUPPLY OPERATION  
PIN-COMPATIBLE WITH 16-BIT ADS7813  
EASY-TO-USE SERIAL INTERFACE  
16-PIN 0.3" PLASTIC DIP AND SOIC  
±0.5LSB max INL AND DNL  
The ADS7812 is a low-power, single +5V supply, 12-  
bit sampling analog-to-digital converter. It contains a  
complete 12-bit capacitor-based SAR A/D with a  
sample/hold, clock, reference, and serial data inter-  
face.  
The converter can be configured for a variety of input  
ranges including ±10V, ±5V, 0V to 10V, and 0.5V to  
4.5V. A high impedance 0.3V to 2.8V input range is  
also available (input impedance > 10M). For most  
input ranges, the input voltage can swing to +16.5V or  
–16.5V without damage to the converter.  
72dB min SINAD  
USES INTERNAL OR EXTERNAL  
REFERENCE  
MULTIPLE INPUT RANGES  
35mW max POWER DISSIPATION  
NO MISSING CODES  
A flexible SPI compatible serial interface allows data  
to be synchronized to an internal or external clock.  
The ADS7812 is specified at a 40kHz sampling rate  
over the –40°C to +85°C temperature range. It is  
available in a 16-pin 0.3" plastic DIP or a 16-lead  
SOIC package.  
50µW POWER DOWN MODE  
APPLICATIONS  
DATA ACQUISITION SYSTEMS  
INDUSTRIAL CONTROL  
TEST EQUIPMENT  
BUSY  
PWRD  
CONV  
CS  
DIGITAL SIGNAL PROCESSING  
Successive Approximation Register and Control Logic  
Clock  
40k(1)  
8k(1)  
CDAC  
R1IN  
R2IN  
EXT/INT  
DATACLK  
DATA  
Serial  
20k(1)  
Data  
Out  
Comparator  
R3IN  
BUF  
CAP  
Internal  
+2.5V Ref  
Buffer  
4k(1)  
NOTE: (1) Actual value may vary ±30%.  
REF  
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111  
Internet: http://www.burr-brown.com/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132  
©1997 Burr-Brown Corporation  
Printed in U.S.A. March, 1997  
PDS-1301A  

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