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INA2141UA-TR

更新时间: 2024-11-20 13:08:47
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BB 仪表放大器
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10页 246K
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INA2141UA-TR 数据手册

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INA2141  
®
INA2141  
INA2141  
Dual, Low Power, G = 10, 100  
INSTRUMENTATION AMPLIFIER  
DESCRIPTION  
FEATURES  
The INA2141 is a low power, dual instrumentation  
amplifier offering excellent accuracy. Its versatile  
3-op amp design and small size make it ideal for a  
wide range of applications. Current-feedback input  
circuitry provides wide bandwidth even at high gain  
(200kHz at G = 100).  
LOW OFFSET VOLTAGE: 50µV max  
LOW DRIFT: 0.5µV/°C max  
EXCELLENT GAIN ACCURACY:  
±0.05% max at G = 10  
LOW INPUT BIAS CURRENT: 5nA max  
HIGH CMR: 117dB min (G = 100)  
INPUTS PROTECTED TO ±40V  
Simple pin connections set an accurate gain of 10 or  
100V/V without external resistors. Internal input pro-  
tection can withstand up to ±40V without damage.  
WIDE SUPPLY RANGE: ±2.25V to ±18V  
LOW QUIESCENT CURRENT: 750µA/IA  
16-PIN PLASTIC DIP, SOL-16  
The INA2141 is laser trimmed for very low offset  
voltage (50µV), drift (0.5µV/°C) and high common-  
mode rejection (117dB at G = 100). It operates with  
power supplies as low as ±2.25V, and quiescent cur-  
rent is only 750µA per amplifier—ideal for battery  
operated systems.  
APPLICATIONS  
SENSOR AMPLIFIER  
Packages are 16-pin plastic DIP, and SOL-16  
surface-mount, specified for the –40°C to +85°C  
temperature range.  
THERMOCOUPLE, RTD, BRIDGE  
MEDICAL INSTRUMENTATION  
MULTIPLE CHANNEL SYSTEMS  
V+  
9
INA  
INA2141  
1
3
Over-Voltage  
Protection  
V
7
A
1A  
40k  
40kΩ  
252Ω  
25kΩ  
G = 10  
or  
100  
6
5
A
V
5050Ω  
252Ω  
3A  
OA  
4
2
25kΩ  
A
A
Ref  
2A  
+
INA  
Over-Voltage  
Protection  
V
V
40kΩ  
40kΩ  
40kΩ  
INB  
16 Over-Voltage  
Protection  
10  
1B  
25kΩ  
40kΩ  
252Ω  
14  
G = 10  
or  
100  
A
3B  
V
5050Ω  
252Ω  
OB  
11  
12  
13  
25kΩ  
A
Ref  
2B  
+
INB  
15 Over-Voltage  
Protection  
V
40kΩ  
40kΩ  
8
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  
©1995 Burr-Brown Corporation  
PDS-1244C  
Printed in U.S.A. January, 1996  

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