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 165-9491
Tillv. art.nrMAX31855KASA+
VarumärkeMaxim Integrated
45,367 kr
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Single SOIC Surface Mount 3.3 V 8 - No - -200 °C +1350 °C - - - 1500 μA
RS-artikelnummer 786-1017
Tillv. art.nrMAX31855KASA+
VarumärkeMaxim Integrated
57,49 kr
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Single SOIC Surface Mount 3.3 V 8 - No - -200 °C +1350 °C - - - 1500 μA
RS-artikelnummer 698-7118
Tillv. art.nrMAX6675ISA+
VarumärkeMaxim Integrated
98,02 kr
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Single SOIC Surface Mount 3 → 5.5 V 8 - No - -20 °C +85 °C - - - 1.5 mA
RS-artikelnummer 923-5570
Tillv. art.nrMAX6675ISA+
VarumärkeMaxim Integrated
76,13 kr
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Single SOIC Surface Mount 3 → 5.5 V 8 - No - -20 °C +85 °C - - - 1.5 mA
RS-artikelnummer 820-9101
Tillv. art.nrAD8422ARMZ
VarumärkeAnalog Devices
49,63 kr
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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-artikelnummer 160-4569
Tillv. art.nrAD8422ARMZ
VarumärkeAnalog Devices
38,457 kr
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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-artikelnummer 177-7115
Tillv. art.nrEL8170FSZ
VarumärkeIntersil
13,579 kr
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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-artikelnummer 113-0792
Tillv. art.nrAD594AQ
VarumärkeAnalog Devices
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Dual, Single CDIP Through Hole 5 V 14 ±15V No - -55 °C +125 °C - - 15kHz -
RS-artikelnummer 923-3546
Tillv. art.nrINA126P
VarumärkeTexas Instruments
31,21 kr
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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 697-6962
Tillv. art.nrAD623BRZ
VarumärkeAnalog Devices
65,87 kr
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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 - -
RS-artikelnummer 285-8249
Tillv. art.nrINA122UA
VarumärkeTexas Instruments
55,42 kr
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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 660-4857
Tillv. art.nrINA2332AIPWT
VarumärkeTexas Instruments
25,95 kr
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Single TSSOP Surface Mount 3 V, 5 V 14 - Rail to Rail Output 8mV -55 °C +125 °C 10000GΩ 60dB - -
RS-artikelnummer 759-0080
Tillv. art.nrAD8495ARMZ
VarumärkeAnalog Devices
53,04 kr
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Dual, Single MSOP Surface Mount 2.7 → 36 V 8 ±2.7 → ±18V Rail to Rail Output - -40 °C +125 °C 60kΩ - 25kHz 0.25 mA
RS-artikelnummer 518-069
Tillv. art.nrEL8170FSZ
VarumärkeIntersil
13,428 kr
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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-artikelnummer 759-2578
Tillv. art.nrAD8497ARMZ
VarumärkeAnalog Devices
53,04 kr
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Dual, Single MSOP Surface Mount 2.7 → 36 V 8 ±2.7 → ±18V Rail to Rail Output - -40 °C +125 °C - - 25kHz 0.25 mA
RS-artikelnummer 912-9841
Tillv. art.nrAD8497ARMZ
VarumärkeAnalog Devices
40,837 kr
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Dual, Single MSOP Surface Mount 2.7 → 36 V 8 ±2.7 → ±18V Rail to Rail Output - -40 °C +125 °C - - 25kHz 0.25 mA
RS-artikelnummer 121-6694
Tillv. art.nrAD8495ARMZ
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42,245 kr
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- - - - - - - - - - - - - -
RS-artikelnummer 912-6132
Tillv. art.nrAD623BRZ
VarumärkeAnalog Devices
52,389 kr
Each (In a Tube of 98)
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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 - -
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 121-9033
Tillv. art.nrINA2332AIPWT
VarumärkeTexas Instruments
17,332 kr
Each (On a Reel of 250)
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Single TSSOP Surface Mount 3 V, 5 V 14 - Rail to Rail Output 8mV -55 °C +125 °C 10000GΩ 60dB - -
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