Instrumentation Amplifiers

Instrumentation amplifiers are a type of precision gain block, a differential amplifier (a type of electronic amplifier that amplifies the voltage difference between two inputs but suppresses any voltage common to the two inputs). Instrumentation Amplifiers are also known as in-amps.

Common applications are:

• Test & Measurement Industrial Devices
• Data Acquisition Devices
• Medical Devices
• Any noisy environment where large common-mode signals are present

How do instrumentation amplifiers work?

An instrumentation amplifier measures small signals in a noisy environment. The noise generally is "common-mode noise" (the difference between the noise-free common mode voltage and the actual common mode voltage). An instrumentation amplifier uses its common-mode rejection to distinguish the noise from the signal of interest.

What are the instrumentation amplifiers used for?

Instrumentation amplifiers are needed in nearly every field of electronics, particularly in the test and measurement industry. They can be used as a voltage follower, selective inversion circuit, a current-to-voltage converter, active rectifier, integrator, a variety of filters, and a voltage comparator.

Unlike instrumentation amplifiers (In Amp), operational amplifiers (Op Amp) are high-gain voltage amplifying devices with a differential input.

...
Read more Read less

Filters

Viewing 1 - 20 of 447 products
Results per page
Description Price Power Supply Type Package Type Mounting Type Typical Single Supply Voltage Pin Count Typical Dual Supply Voltage Rail to Rail Maximum Input Offset Voltage Minimum Operating Temperature Maximum Operating Temperature Maximum Input Resistance Minimum CMRR Typical Gain Bandwidth Product Maximum Supply Current
RS Stock No. 218-8427
Mfr. Part No.INA128P
SGD15.87
Each
units
Dual PDIP Through Hole - 8 ±18V No 50µV -40 °C +85 °C 100GΩ 80dB 1.3MHz -
RS Stock No. 523-8575
Mfr. Part No.AD623ANZ
SGD9.04
Each
units
Dual, Single PDIP Through Hole 3 V, 5 V, 9 V 8 ±3 V, ±5 V Rail to Rail Output 0.2mV -40 °C +85 °C 2GΩ 70dB - -
RS Stock No. 111-2200
Mfr. Part No.AD623ANZ
SGD6.533
Each (In a Tube of 50)
units
Dual, Single PDIP Through Hole 3 V, 5 V, 9 V 8 ±3 V, ±5 V Rail to Rail Output 0.2mV -40 °C +85 °C 2GΩ 70dB - -
RS Stock No. 301-779
Mfr. Part No.AD595AQ
SGD29.84
Each
units
Dual, Single CDIP Through Hole 5 V 14 ±15V No - -55 °C +125 °C - - 15kHz -
RS Stock No. 806-5522
Mfr. Part No.AD623ARZ
SGD5.835
Each (In a Pack of 2)
units
Dual, Single SOIC Surface Mount 3 → 12 V 8 ±2.5 → ±6V Rail to Rail Output 200µV -40 °C +85 °C - 90dB 800kHz 500 μA
RS Stock No. 106-7012
Mfr. Part No.AD594AQ
SGD30.477
Each (In a Tube of 25)
units
Dual, Single CDIP Through Hole 5 V 14 ±15V - - -55 °C +125 °C - - 15kHz -
RS Stock No. 912-8135
Mfr. Part No.AD623ARZ
SGD3.968
Each (In a Tube of 98)
units
Dual, Single SOIC Surface Mount 3 → 12 V 8 ±2.5 → ±6V Rail to Rail Output 200µV -40 °C +85 °C - 90dB 800kHz 500 μA
RS Stock No. 113-0792
Mfr. Part No.AD594AQ
SGD29.84
Each
units
Dual, Single CDIP Through Hole 5 V 14 ±15V No - -55 °C +125 °C - - 15kHz -
RS Stock No. 182-8534
Mfr. Part No.INA118P
SGD16.59
Each
units
Dual PDIP Through Hole - 8 ±15V No 125µV -40 °C +125 °C 10GΩ 73dB 800kHz 0.385 mA
RS Stock No. 106-6379
Mfr. Part No.AD595AQ
SGD25.44
Each (In a Tube of 25)
units
Dual, Single CDIP Through Hole 5 V 14 ±15V - - -55 °C +125 °C - - 15kHz -
RS Stock No. 311-552
Mfr. Part No.PGA204AP
SGD25.22
Each
units
Dual PDIP Through Hole - 16 ±15V No 125µV -40 °C +85 °C 10GΩ 75dB 1MHz 7.5 mA
RS Stock No. 100-0755
Mfr. Part No.INA118P
SGD13.363
Each (In a Tube of 50)
units
Dual PDIP Through Hole - 8 ±15V - 125µV -40 °C +125 °C 10GΩ 73dB 800kHz 0.385 mA
RS Stock No. 923-2372
Mfr. Part No.PGA204AP
SGD22.144
Each (In a Tube of 25)
units
Dual PDIP Through Hole - 16 ±15V - 125µV -40 °C +85 °C 10GΩ 75dB 1MHz 7.5 mA
RS Stock No. 177-7115
Mfr. Part No.EL8170FSZ
BrandIntersil
SGD3.453
Each (In a Tube of 97)
units
Single SOIC Surface Mount 3 V, 5 V 8 - Rail to Rail Input/Output 0.2mV -40 °C +125 °C - 90dB - 0.095 mA
RS Stock No. 518-069
Mfr. Part No.EL8170FSZ
BrandIntersil
SGD3.15
Each (In a Pack of 5)
units
Single SOIC Surface Mount 3 V, 5 V 8 - Rail to Rail Input/Output 0.2mV -40 °C +125 °C - 90dB - 0.095 mA
RS Stock No. 412-462
Mfr. Part No.AD627ARZ
SGD8.17
Each
units
Dual, Single SOIC Surface Mount 7.5 V 8 ±15V Rail to Rail Output 0.25mV -40 °C +85 °C 20GΩ 77dB - 0.085 mA
RS Stock No. 912-7167
Mfr. Part No.AD627ARZ
SGD6.939
Each (In a Tube of 98)
units
Dual, Single SOIC Surface Mount 7.5 V 8 ±15V Rail to Rail Output 0.25mV -40 °C +85 °C 20GΩ 77dB - 0.085 mA
RS Stock No. 923-3662
Mfr. Part No.PGA202KP
SGD21.582
Each (In a Tube of 25)
units
Dual PDIP Through Hole - 14 ±15V - 2mV 0 °C +70 °C 10GΩ 80dB 1MHz -
RS Stock No. 660-5254
Mfr. Part No.INA126P
SGD5.19
Each
units
Dual PDIP Through Hole 12 V, 15 V, 18 V, 24 V, 28 V, 3 V, 5 V, 9 V 8 ±15V No 0.25mV -40 °C +85 °C 1GΩ 83dB - 0.2 mA
RS Stock No. 912-9949
Mfr. Part No.AD8422BRZ
SGD10.159
Each (In a Tube of 98)
units
Dual SOIC Surface Mount - 8 ±1.8 → ±18V Rail to Rail Output 75µV -40 °C +85 °C - 150dB 2.2MHz 30 μA
Related Products
A range of highly integrated Class AB Audio ...
Description:
A range of highly integrated Class AB Audio Power Amplifier ICs from Texas Instruments with dual or multiple outputs suitable for stereo and multi-channel applications. The amplifiers range from low-power devices suitable for driving headphones to high-power types with outputs ...
A range of highly integrated Class-D Audio Power ...
Description:
A range of highly integrated Class-D Audio Power Amplifier ICs from Texas Instruments providing high efficiency and compact dimensions. The devices are suitable for a wide variety of uses including stereo audio equipment, automotive applications, television, PDA, computer and mobile ...
A range of single channel power amplifier ICs ...
Description:
A range of single channel power amplifier ICs from Texas Instruments with power outputs from less than 1 watt to over 50 watts. These highly integrated devices incorporate many advanced features including thermal overload, short-circuit and safe operating area protection, ...
A range of highly integrated Class AB Audio ...
Description:
A range of highly integrated Class AB Audio Power Amplifier ICs from Texas Instruments with dual or multiple outputs suitable for stereo and multi-channel applications. The amplifiers range from low-power devices suitable for driving headphones to high-power types with outputs ...