INA141 Precision, Low Power, G = 10, 100 Instrumentation Amplifier | TI.com

INA141 (ACTIVE)

Precision, Low Power, G = 10, 100 Instrumentation Amplifier

Precision, Low Power, G = 10, 100 Instrumentation Amplifier - INA141
 

Description

The INA141 is a low power, general purpose 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).

Simple pin connections set an accurate gain of 10 or 100V/V without external resistors. Internal input protection can withstand up to ±40V without damage.

The INA141 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 current is only 750µA—ideal for battery operated systems.

The INA141 is available in 8-pin plastic DIP, and SO-8 surface-mount packages, specified for the -40°C to +85°C temperature range.

Features

  • LOW OFFSET VOLTAGE: 50µV max
  • LOW DRIFT: 0.5µV/°C max
  • ACCURATE GAIN: ±0.05% at G = 10
  • LOW INPUT BIAS CURRENT: 5nA max
  • HIGH CMR: 117dB min
  • INPUTS PROTECTED to ±40V
  • WIDE SUPPLY RANGE: ±2.25 to ±18V
  • LOW QUIESCENT CURRENT: 750µa
  • 8-PIN PLASTIC DIP, SO-8

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Parametrics Compare all products in Instrumentation Amplifiers

 
Number of Channels (#)
Vs (Min) (V)
Vs (Max) (V)
CMRR (Min) (dB)
Input Offset (+/-) (Max) (uV)
Input Offset Drift (+/-) (Max) (uV/C)
Input Bias Current (+/-) (Max) (nA)
Noise at 1kHz (Typ) (nV/rt(Hz))
Iq (Typ) (mA)
Bandwidth at Min Gain (Typ) (MHz)
Gain (Min) (V/V)
Gain (Max) (V/V)
Gain Error (+/-) (Max) (%)
Operating Temperature Range (C)
Package Group
Package Size: mm2:W x L (PKG)
Noise at 0.1 Hz - 10 Hz (Typ) (uVpp)
Gain Non-Linearity (+/-) (Max) (%)
INA141
1    
4.5    
36    
117    
50    
0.5    
5    
8    
0.75    
1    
10    
100    
0.15    
-40 to 85    
SOIC    
8SOIC: 29 mm2: 6 x 4.9(SOIC)    
0.2    
0.002