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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Beskrivning Pris 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-artikelnummer 923-3546
Tillv. art.nrINA126P
VarumärkeTexas Instruments
31,21 kr
Each (In a Tube of 50)
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Dual PDIP Through Hole 3 V, 5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V 8 ±15V - 0.25mV -40 °C +85 °C 1GΩ 83dB - 0.2 mA
RS-artikelnummer 285-8249
Tillv. art.nrINA122UA
VarumärkeTexas Instruments
55,42 kr
Each
Enheter
Dual, Single SOIC Surface Mount 5 V 8 ±12 V, ±15 V, ±3 V, ±5 V, ±9 V Rail to Rail Output 0.5mV -40 °C +85 °C 10GΩ 76dB - 0.085 mA
RS-artikelnummer 660-5254
Tillv. art.nrINA126P
VarumärkeTexas Instruments
36,40 kr
Each
Enheter
Dual PDIP Through Hole 3 V, 5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V 8 ±15V No 0.25mV -40 °C +85 °C 1GΩ 83dB - 0.2 mA
RS-artikelnummer 121-9033
Tillv. art.nrINA2332AIPWT
VarumärkeTexas Instruments
17,332 kr
Each (On a Reel of 250)
Enheter
Single TSSOP Surface Mount 3 V, 5 V 14 - Rail to Rail Output 8mV -55 °C +125 °C 10000GΩ 60dB - -
RS-artikelnummer 660-4857
Tillv. art.nrINA2332AIPWT
VarumärkeTexas Instruments
25,95 kr
Each
Enheter
Single TSSOP Surface Mount 3 V, 5 V 14 - Rail to Rail Output 8mV -55 °C +125 °C 10000GΩ 60dB - -
RS-artikelnummer 100-3802
Tillv. art.nrINA122UA
VarumärkeTexas Instruments
47,261 kr
Each (In a Tube of 75)
Enheter
Dual, Single SOIC Surface Mount 5 V 8 ±12 V, ±15 V, ±3 V, ±5 V, ±9 V Rail to Rail Output 0.5mV -40 °C +85 °C 10GΩ 76dB - 0.085 mA
RS-artikelnummer 660-5232
Tillv. art.nrINA125P
VarumärkeTexas Instruments
61,52 kr
Each
Enheter
Dual, Single PDIP Through Hole 5 V 16 ±15V No 0.25mV -55 °C +125 °C 100GΩ 78dB - -
RS-artikelnummer 923-3533
Tillv. art.nrINA125P
VarumärkeTexas Instruments
51,406 kr
Each (In a Tube of 25)
Enheter
Dual, Single PDIP Through Hole 5 V 16 ±15V - 0.25mV -55 °C +125 °C 100GΩ 78dB - -
RS-artikelnummer 660-5190
Tillv. art.nrINA101KU
VarumärkeTexas Instruments
157,79 kr
Each
Enheter
Dual SOIC Surface Mount - 16 ±15V No - 0 °C +70 °C 10GΩ - - -
RS-artikelnummer 100-3831
Tillv. art.nrINA155UA
VarumärkeTexas Instruments
24,71 kr
Each (In a Tube of 75)
Enheter
Single SOIC Surface Mount 3 V, 5 V 8 - Rail to Rail Output 1mV -65 °C +150 °C 10000GΩ 80dB - -
RS-artikelnummer 660-5285
Tillv. art.nrINA131BP
VarumärkeTexas Instruments
120,15 kr
Each
Enheter
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
RS-artikelnummer 660-6617
Tillv. art.nrPGA203KP
VarumärkeTexas Instruments
147,35 kr
Each
Enheter
Dual PDIP Through Hole - 14 ±15V No - 0 °C +70 °C 10GΩ 80dB - -
RS-artikelnummer 288-755
Tillv. art.nrINA114AU
VarumärkeTexas Instruments
95,75 kr
Each
Enheter
Dual SOL Surface Mount - 16 ±12 V, ±15 V, ±3 V, ±5 V, ±9 V No 125µV -40 °C +85 °C 10GΩ 110dB 1MHz 3 mA
RS-artikelnummer 813-6554
Tillv. art.nrINA333AIDRGT
VarumärkeTexas Instruments
43,01 kr
Each
Enheter
Dual, Single SON Surface Mount 1.8 → 5.5 V 8 ±0.9 → ±2.75V Rail to Rail Output ±25µV -40 °C +125 °C - 80dB 150kHz -
RS-artikelnummer 660-4847
Tillv. art.nrINA156EA/250
VarumärkeTexas Instruments
28,75 kr
Each
Enheter
Single MSOP Surface Mount 3 V, 5 V 8 - Rail to Rail Output 8mV -55 °C +125 °C 10000GΩ 66dB - -
RS-artikelnummer 660-6500
Tillv. art.nrINA110KU
VarumärkeTexas Instruments
138,13 kr
Each
Enheter
Dual SOIC Surface Mount - 16 ±15V No - -25 °C +85 °C 5000GΩ 106dB - 4.5 mA
RS-artikelnummer 121-9039
Tillv. art.nrINA101KU
VarumärkeTexas Instruments
137,367 kr
Each (In a Tube of 40)
Enheter
Dual SOIC Surface Mount - 16 ±15V - - 0 °C +70 °C 10GΩ - - -
RS-artikelnummer 923-3552
Tillv. art.nrINA2126UA
VarumärkeTexas Instruments
42,743 kr
Each (In a Tube of 40)
Enheter
Dual, Single SOIC Surface Mount 3 V, 5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V 16 ±15V - 0.5mV -40 °C +85 °C 1GΩ 74dB - 0.4 mA
RS-artikelnummer 121-9396
Tillv. art.nrPGA280AIPW
VarumärkeTexas Instruments
56,188 kr
Each (In a Tube of 60)
Enheter
Single TSSOP Surface Mount 40 V 24 - Rail to Rail Input/Output 250µV -40 °C +125 °C - 140dB 6MHz ±10 mA
RS-artikelnummer 661-2381
Tillv. art.nrINA126E/250
VarumärkeTexas Instruments
40,22 kr
Each
Enheter
Dual MSOP Surface Mount 3 V, 5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V 8 ±15V No 0.25mV -40 °C +85 °C 1GΩ 83dB - 0.2 mA