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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Omschrijving Prijs 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-stocknr. 923-2360
FabrikantnummerINA114AP
8,538 €
Each (In a Tube of 50)
Aantal stuks
Dual PDIP Through Hole - 8 ±12 V, ±15 V, ±3 V, ±5 V, ±9 V - 125µV -40 °C +85 °C 10GΩ 110dB 1MHz 3 mA
RS-stocknr. 311-524
FabrikantnummerINA114AP
10,20 €
Each
Aantal stuks
Dual PDIP Through Hole - 8 ±12 V, ±15 V, ±3 V, ±5 V, ±9 V No 125µV -40 °C +85 °C 10GΩ 110dB 1MHz 3 mA
RS-stocknr. 113-0792
FabrikantnummerAD594AQ
FabrikantAnalog Devices
19,47 €
Each
Aantal stuks
Dual, Single CDIP Through Hole 5 V 14 ±15V No - -55 °C +125 °C - - 15kHz -
RS-stocknr. 106-7012
FabrikantnummerAD594AQ
FabrikantAnalog Devices
17,28 €
Each (In a Tube of 25)
Aantal stuks
Dual, Single CDIP Through Hole 5 V 14 ±15V - - -55 °C +125 °C - - 15kHz -
RS-stocknr. 111-2200
FabrikantnummerAD623ANZ
FabrikantAnalog Devices
4,064 €
Each (In a Tube of 50)
Aantal stuks
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-stocknr. 912-7381
FabrikantnummerAD620ARZ
FabrikantAnalog Devices
6,317 €
Each (In a Tube of 98)
Aantal stuks
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 -
RS-stocknr. 806-5522
FabrikantnummerAD623ARZ
FabrikantAnalog Devices
3,805 €
Each (In a Pack of 2)
Aantal stuks
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-stocknr. 523-8575
FabrikantnummerAD623ANZ
FabrikantAnalog Devices
5,32 €
Each
Aantal stuks
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-stocknr. 523-0212
FabrikantnummerAD620ARZ
FabrikantAnalog Devices
7,94 €
Each
Aantal stuks
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 -
RS-stocknr. 912-8135
FabrikantnummerAD623ARZ
FabrikantAnalog Devices
2,921 €
Each (In a Tube of 98)
Aantal stuks
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-stocknr. 121-9041
FabrikantnummerINA131BP
10,133 €
Each (In a Tube of 50)
Aantal stuks
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
RS-stocknr. 177-7115
FabrikantnummerEL8170FSZ
FabrikantIntersil
2,12 €
Each (In a Tube of 97)
Aantal stuks
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-stocknr. 106-6379
FabrikantnummerAD595AQ
FabrikantAnalog Devices
15,954 €
Each (In a Tube of 25)
Aantal stuks
Dual, Single CDIP Through Hole 5 V 14 ±15V - - -55 °C +125 °C - - 15kHz -
RS-stocknr. 704-4032
FabrikantnummerINA333AIDGKT
4,24 €
Each
Aantal stuks
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
RS-stocknr. 761-8497
FabrikantnummerLT1920IS8#PBF
FabrikantAnalog Devices
6,91 €
Each
Aantal stuks
Dual SOIC Surface Mount - 8 ±20V Rail to Rail Output 0.185mV -40 °C +85 °C 200GΩ 75dB 1MHz 1.3 mA
RS-stocknr. 145-7730
FabrikantnummerINA321EA/250
1,80 €
Each (On a Reel of 250)
Aantal stuks
Single MSOP Surface Mount 3 V, 5 V 8 - Rail to Rail Output 1mV -55 °C +125 °C 10000GΩ 80dB - -
RS-stocknr. 301-779
FabrikantnummerAD595AQ
FabrikantAnalog Devices
17,99 €
Each
Aantal stuks
Dual, Single CDIP Through Hole 5 V 14 ±15V No - -55 °C +125 °C - - 15kHz -
RS-stocknr. 111-1132
FabrikantnummerAD620ANZ
FabrikantAnalog Devices
8,16 €
Each (In a Tube of 50)
Aantal stuks
Dual PDIP Through Hole - 8 ±12 V, ±15 V, ±3 V, ±5 V, ±9 V - 0.125mV -40 °C +85 °C 10GΩ 73dB 1MHz -
RS-stocknr. 518-069
FabrikantnummerEL8170FSZ
FabrikantIntersil
2,50 €
Each (In a Pack of 5)
Aantal stuks
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-stocknr. 697-6962
FabrikantnummerAD623BRZ
FabrikantAnalog Devices
6,37 €
Each
Aantal stuks
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 - -
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