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INA122U/2K5E4 PDF预览

INA122U/2K5E4

更新时间: 2024-11-03 12:02:07
品牌 Logo 应用领域
BB 仪表放大器
页数 文件大小 规格书
14页 750K
描述
Single Supply, MicroPower INSTRUMENTATION AMPLIFIER

INA122U/2K5E4 数据手册

 浏览型号INA122U/2K5E4的Datasheet PDF文件第2页浏览型号INA122U/2K5E4的Datasheet PDF文件第3页浏览型号INA122U/2K5E4的Datasheet PDF文件第4页浏览型号INA122U/2K5E4的Datasheet PDF文件第5页浏览型号INA122U/2K5E4的Datasheet PDF文件第6页浏览型号INA122U/2K5E4的Datasheet PDF文件第7页 
INA122  
®
INA122  
INA122  
Single Supply, MicroPower  
INSTRUMENTATION AMPLIFIER  
APPLICATIONS  
PORTABLE, BATTERY OPERATED  
FEATURES  
LOW QUIESCENT CURRENT: 60µA  
SYSTEMS  
WIDE POWER SUPPLY RANGE  
Single Supply: 2.2V to 36V  
INDUSTRIAL SENSOR AMPLIFIER:  
Bridge, RTD, Thermocouple  
Dual Supply: –0.9/+1.3V to ±18V  
PHYSIOLOGICAL AMPLIFIER:  
COMMON-MODE RANGE TO (V–)–0.1V  
RAIL-TO-RAIL OUTPUT SWING  
ECG, EEG, EMG  
MULTI-CHANNEL DATA ACQUISITION  
LOW OFFSET VOLTAGE: 250µV max  
LOW OFFSET DRIFT: 3µV/°C max  
LOW NOISE: 60nV/Hz  
DESCRIPTION  
LOW INPUT BIAS CURRENT: 25nA max  
8-PIN DIP AND SO-8 SURFACE-MOUNT  
The INA122 is a precision instrumentation amplifier  
for accurate, low noise differential signal acquisition.  
Its two-op-amp design provides excellent performance  
with very low quiescent current, and is ideal for  
portable instrumentation and data acquisition systems.  
The INA122 can be operated with single power sup-  
plies from 2.2V to 36V and quiescent current is a mere  
60µA. It can also be operated from dual supplies. By  
utilizing an input level-shift network, input common-  
mode range extends to 0.1V below negative rail (single  
supply ground).  
V+  
7
INA122  
3
8
+
VIN  
6
VO  
+
V
O = (VIN – VIN) G  
100kΩ  
25kΩ  
A single external resistor sets gain from 5V/V to  
10000V/V. Laser trimming provides very low offset  
voltage (250µV max), offset voltage drift (3µV/°C  
max) and excellent common-mode rejection.  
200k  
RG  
G = 5 +  
25kΩ  
RG  
Package options include 8-pin plastic DIP and SO-8  
surface-mount packages. Both are specified for the  
–40°C to +85°C extended industrial temperature range.  
1
2
VIN  
100kΩ  
5
Ref  
4
V–  
International Airport Industrial Park  
Mailing Address: PO Box 11400, Tucson, AZ 85734  
FAXLine: (800) 548-6133 (US/Canada Only)  
• Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111  
Internet: http://www.burr-brown.com/  
Cable: BBRCORP  
Telex: 066-6491  
FAX: (520) 889-1510  
Immediate Product Info: (800) 548-6132  
©1997 Burr-Brown Corporation  
PDS-1388B  
Printed in U.S.A. October, 1997  
SBOS069  

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