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.

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Description Prix 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
N° de stock RS 113-0792
Référence fabricantAD594AQ
20,20 €
Each
Unité
Dual, Single CDIP Through Hole 5 V 14 ±15V No - -55 °C +125 °C - - 15kHz -
N° de stock RS 106-7012
Référence fabricantAD594AQ
17,914 €
Each (In a Tube of 25)
Unité
Dual, Single CDIP Through Hole 5 V 14 ±15V - - -55 °C +125 °C - - 15kHz -
N° de stock RS 806-5522
Référence fabricantAD623ARZ
3,805 €
Each (In a Pack of 2)
Unité
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
N° de stock RS 523-0212
Référence fabricantAD620ARZ
7,94 €
Each
Unité
Dual SOIC Surface Mount - 8 ±12 V, ±15 V, ±3 V, ±5 V, ±9 V No 0.125mV -40 °C +85 °C 10GΩ 73dB 120kHz -
N° de stock RS 912-7381
Référence fabricantAD620ARZ
6,317 €
Each (In a Tube of 98)
Unité
Dual SOIC Surface Mount - 8 ±12 V, ±15 V, ±3 V, ±5 V, ±9 V No 0.125mV -40 °C +85 °C 10GΩ 73dB 120kHz -
N° de stock RS 523-8575
Référence fabricantAD623ANZ
5,32 €
Each
Unité
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 - -
N° de stock RS 912-8135
Référence fabricantAD623ARZ
3,039 €
Each (In a Tube of 98)
Unité
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
N° de stock RS 111-2200
Référence fabricantAD623ANZ
4,222 €
Each (In a Tube of 50)
Unité
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 - -
N° de stock RS 522-9717
Référence fabricantAD620ANZ
9,94 €
Each
Unité
Dual PDIP Through Hole - 8 ±12 V, ±15 V, ±3 V, ±5 V, ±9 V No 0.125mV -40 °C +85 °C 10GΩ 73dB 1MHz -
N° de stock RS 145-7730
Référence fabricantINA321EA/250
1,694 €
Each (On a Reel of 250)
Unité
Single MSOP Surface Mount 3 V, 5 V 8 - Rail to Rail Output 1mV -55 °C +125 °C 10000GΩ 80dB - -
N° de stock RS 704-4032
Référence fabricantINA333AIDGKT
4,24 €
Each
Unité
Dual, Single MSOP Surface Mount 1.8 5.5 V 8 ±0.9 ±2.75V Rail to Rail Output 0.025mV -40 °C +150 °C 100GΩ 80dB 150kHz 0.075 mA
N° de stock RS 301-779
Référence fabricantAD595AQ
18,65 €
Each
Unité
Dual, Single CDIP Through Hole 5 V 14 ±15V No - -55 °C +125 °C - - 15kHz -
N° de stock RS 121-9041
Référence fabricantINA131BP
10,133 €
Each (In a Tube of 50)
Unité
Dual, Single PDIP Through Hole 5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V 8 ±15V - 0.05mV -40 °C +85 °C 10GΩ 110dB - 3 mA
N° de stock RS 106-6379
Référence fabricantAD595AQ
16,541 €
Each (In a Tube of 25)
Unité
Dual, Single CDIP Through Hole 5 V 14 ±15V - - -55 °C +125 °C - - 15kHz -
N° de stock RS 660-5285
Référence fabricantINA131BP
11,62 €
Each
Unité
Dual, Single PDIP Through Hole 5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V 8 ±15V No 0.05mV -40 °C +85 °C 10GΩ 110dB - 3 mA
N° de stock RS 177-7115
Référence fabricantEL8170FSZ
MarqueIntersil
2,12 €
Each (In a Tube of 97)
Unité
Single SOIC Surface Mount 3 V, 5 V 8 - Rail to Rail Input/Output 0.2mV -40 °C +125 °C - 90dB - 0.095 mA
N° de stock RS 912-6132
Référence fabricantAD623BRZ
5,067 €
Each (In a Tube of 98)
Unité
Dual, Single SOIC Surface Mount 3 V, 5 V, 9 V 8 ±3 V, ±5 V Rail to Rail Output 0.1mV -40 °C +85 °C 2GΩ 77dB - -
N° de stock RS 461-6592
Référence fabricantINA321EA/250
2,61 €
Each
Unité
Single MSOP Surface Mount 3 V, 5 V 8 - Rail to Rail Output 1mV -55 °C +125 °C 10000GΩ 80dB - -
N° de stock RS 518-069
Référence fabricantEL8170FSZ
MarqueIntersil
2,50 €
Each (In a Pack of 5)
Unité
Single SOIC Surface Mount 3 V, 5 V 8 - Rail to Rail Input/Output 0.2mV -40 °C +125 °C - 90dB - 0.095 mA
N° de stock RS 111-1132
Référence fabricantAD620ANZ
8,491 €
Each (In a Tube of 50)
Unité
Dual PDIP Through Hole - 8 ±12 V, ±15 V, ±3 V, ±5 V, ±9 V - 0.125mV -40 °C +85 °C 10GΩ 73dB 1MHz -