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 presentHow 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 Price 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 Stock No. 778-5105
Mfr. Part No.AD8237ARMZ
HK$21.385
Each (In a Pack of 2)
units
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 Stock No. 820-9772
Mfr. Part No.AD8222HACPZ-WP
HK$69.51
Each
units
Dual LFCSP Surface Mount - 16 ±2.3 ±18V - 120µV -40 °C +85 °C 100GΩ 80dB 1.2MHz 2.2 mA
RS Stock No. 912-7390
Mfr. Part No.AMP04FSZ
HK$71.879
Each (In a Tube of 98)
units
Dual, Single SOIC Surface Mount 9 V, 12 V, 15 V, 18 V, 24 V, 28 V 8 ±12 V, ±3 V, ±5 V, ±9 V No 0.3mV -40 °C +85 °C 4GΩ 80dB - 0.7 mA
RS Stock No. 113-0792
Mfr. Part No.AD594AQ
HK$184.99
Each
units
Dual, Single CDIP Through Hole 5 V 14 ±15V No - -55 °C +125 °C - - 15kHz -
RS Stock No. 912-7040
Mfr. Part No.AD622ARZ
HK$42.183
Each (In a Tube of 98)
units
Dual SOIC Surface Mount - 8 ±12 V, ±15 V, ±3 V, ±5 V, ±9 V No 0.125mV -40 °C +85 °C 0.00002GΩ 103dB - 1.3 mA
RS Stock No. 158-0364
Mfr. Part No.LTC6915HGN#PBF
HK$38.192
Each (In a Tube of 100)
units
Dual, Single SSOP Surface Mount 2.7 V 16 ±5V Rail to Rail Input/Output ±10µV -40 °C +125 °C - 85dB 200kHz 1.3 (Parallel) mA, 1.65 (Serial) mA
RS Stock No. 145-9365
Mfr. Part No.MCP6N11-010E/SN
BrandMicrochip
HK$8.84
Each (In a Tube of 100)
units
Single SOIC Surface Mount 1.8 5.5 V 8 - Rail to Rail Input/Output 0.35V -40 °C +125 °C - 81dB 5MHz 0.8 mA
RS Stock No. 820-9101
Mfr. Part No.AD8422ARMZ
HK$43.01
Each (In a Pack of 2)
units
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 Stock No. 160-4529
Mfr. Part No.AD8223ARMZ-R7
HK$19.37
Each (On a Reel of 1000)
units
Dual, Single MSOP Surface Mount 3 24 V 8 ±2 to ±12V Rail to Rail Output 250µV -40 °C +85 °C - 90dB 125kHz 500 μA
RS Stock No. 912-6132
Mfr. Part No.AD623BRZ
HK$44.287
Each (In a Tube of 98)
units
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 Stock No. 162-5218
Mfr. Part No.PGA206PA
HK$211.322
Each (In a Tube of 25)
units
Dual PDIP Through Hole - 16 ±15V No 2.5mV -40 °C +85 °C - 75dB - 12 mA
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