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. 820-9101
FabrikantnummerAD8422ARMZ
FabrikantAnalog Devices
€ 4,80
Each (In a Pack of 2)
Aantal stuks
Dual, Single MSOP Surface Mount 3.6 → 36 V 8 ±1.8 → ±18V Rail to Rail Output 70µV -40 °C +85 °C 200GΩ 86dB 2.2MHz 1 nA
RS-stocknr. 160-4569
FabrikantnummerAD8422ARMZ
FabrikantAnalog Devices
€ 3,817
Each (In a Tube of 50)
Aantal stuks
Dual, Single MSOP Surface Mount 3.6 → 36 V 8 ±1.8 → ±18V Rail to Rail Output 70µV -40 °C +85 °C 200GΩ 86dB 2.2MHz 1 nA
RS-stocknr. 111-2200
FabrikantnummerAD623ANZ
FabrikantAnalog Devices
€ 3,94
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. 523-8575
FabrikantnummerAD623ANZ
FabrikantAnalog Devices
€ 5,14
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. 121-6904
FabrikantnummerAD8421ARMZ
FabrikantAnalog Devices
€ 4,075
Each (In a Tube of 50)
Aantal stuks
Dual, Single MSOP Surface Mount 5 → 6 V 8 ±2.5 → ±18V - 60µV -40 °C +85 °C 20kΩ 134dB 10MHz 2.3 mA
RS-stocknr. 806-7988
FabrikantnummerAD8421ARMZ
FabrikantAnalog Devices
€ 5,26
Each
Aantal stuks
Dual, Single MSOP Surface Mount 5 → 6 V 8 ±2.5 → ±18V - 60µV -40 °C +85 °C 20kΩ 134dB 10MHz 2.3 mA
RS-stocknr. 912-9933
FabrikantnummerAD8237ARMZ
FabrikantAnalog Devices
€ 1,74
Each (In a Tube of 50)
Aantal stuks
Single MSOP Surface Mount 1.8 → 5.5 V 8 - Rail to Rail Input/Output 75µV -40 °C +125 °C - 106dB 6MHz 115 μA
RS-stocknr. 912-7946
FabrikantnummerAD8253ARMZ
FabrikantAnalog Devices
€ 7,66
Each (In a Tube of 50)
Aantal stuks
Dual MSOP Surface Mount - 10 ±12 V, ±9 V No 150µV -40 °C +85 °C 0.00002GΩ 80dB 10MHz -
RS-stocknr. 522-9313
FabrikantnummerAD624ADZ
FabrikantAnalog Devices
€ 40,08
Each
Aantal stuks
Dual CDIP Through Hole - 16 ±15V No 0.2mV -25 °C +85 °C 1GΩ 75dB 25MHz -
RS-stocknr. 806-5522
FabrikantnummerAD623ARZ
FabrikantAnalog Devices
€ 3,905
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. 709-7086
FabrikantnummerAD8253ARMZ
FabrikantAnalog Devices
€ 9,30
Each
Aantal stuks
Dual MSOP Surface Mount - 10 ±12 V, ±9 V No 150µV -40 °C +85 °C 0.00002GΩ 80dB 10MHz -
RS-stocknr. 111-1114
FabrikantnummerAD624ADZ
FabrikantAnalog Devices
€ 32,103
Each (In a Tube of 23)
Aantal stuks
Dual CDIP Through Hole - 16 ±15V - 0.2mV -25 °C +85 °C 1GΩ 75dB 25MHz -
RS-stocknr. 912-8135
FabrikantnummerAD623ARZ
FabrikantAnalog Devices
€ 2,832
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. 778-5105
FabrikantnummerAD8237ARMZ
FabrikantAnalog Devices
€ 2,395
Each (In a Pack of 2)
Aantal stuks
Single MSOP Surface Mount 1.8 to 5.5 V 8 - Rail to Rail Input/Output 75µV -40 °C +125 °C - 106dB 6MHz 115 μA
RS-stocknr. 912-6221
FabrikantnummerAD8221ARZ
FabrikantAnalog Devices
€ 4,854
Each (In a Tube of 98)
Aantal stuks
Dual SOIC Surface Mount - 8 ±12 V, ±15 V, ±3 V, ±5 V, ±9 V No 0.06mV -40 °C +125 °C 100GΩ 130dB 825kHz 1 mA
RS-stocknr. 697-7237
FabrikantnummerAD8221ARZ
FabrikantAnalog Devices
€ 5,49
Each
Aantal stuks
Dual SOIC Surface Mount - 8 ±12 V, ±15 V, ±3 V, ±5 V, ±9 V No 0.06mV -40 °C +125 °C 100GΩ 130dB 825kHz 1 mA
RS-stocknr. 111-1132
FabrikantnummerAD620ANZ
FabrikantAnalog Devices
€ 6,86
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. 522-9717
FabrikantnummerAD620ANZ
FabrikantAnalog Devices
€ 9,04
Each
Aantal stuks
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 -
RS-stocknr. 913-0009
FabrikantnummerAD8421BRZ
FabrikantAnalog Devices
€ 7,543
Each (In a Tube of 98)
Aantal stuks
Dual, Single SOIC Surface Mount 5 → 36 V 8 ±2.5 → ±18V Rail to Rail Input 25µV -40 °C +125 °C 4kΩ 100dB 10MHz 2.6 mA
RS-stocknr. 796-8877
FabrikantnummerAD8421BRZ
FabrikantAnalog Devices
€ 10,40
Each
Aantal stuks
Dual, Single SOIC Surface Mount 5 → 36 V 8 ±2.5 → ±18V No 25µV -40 °C +125 °C 4kΩ 100dB 10MHz 2.6 mA