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. 923-2284
Mfr. Part No.INA114AU
HK$75.763
Each (In a Tube of 40)
units
Dual SOL Surface Mount - 16 ±12 V, ±15 V, ±3 V, ±5 V, ±9 V - 125µV -40 °C +85 °C 10GΩ 110dB 1MHz 3 mA
RS Stock No. 647-643
Mfr. Part No.INA110KP
HK$125.12
Each
units
Dual PDIP Through Hole - 16 ±15V No 500µV -25 °C +85 °C 5000GΩ 106dB 2.5MHz 4.5 mA
RS Stock No. 523-6412
Mfr. Part No.AD8221ARMZ
HK$49.20
Each
units
Dual, Single LFCSP Surface Mount 3 V, 5 V, 9 V 8 ±3 V, ±5 V Rail to Rail Output 2.7mV -40 °C +125 °C 0.8MΩ 62dB - -
RS Stock No. 311-552
Mfr. Part No.PGA204AP
HK$167.41
Each
units
Dual PDIP Through Hole - 16 ±15V No 125µV -40 °C +85 °C 10GΩ 75dB 1MHz 7.5 mA
RS Stock No. 779-8969
Mfr. Part No.LT1025CN8#PBF
HK$44.24
Each (In a Pack of 2)
units
Single CDIP Through Hole 4 to 36 V 8 - No - 0 °C +70 °C - - - 150 μA
RS Stock No. 100-0743
Mfr. Part No.INA110KP
HK$104.906
Each (In a Tube of 25)
units
Dual PDIP Through Hole - 16 ±15V - 500µV -25 °C +85 °C 5000GΩ 106dB 2.5MHz 4.5 mA
RS Stock No. 461-6536
Mfr. Part No.INA128UA
HK$73.33
Each
units
Dual SOIC Surface Mount - 8 ±15V No 125µV -40 °C +85 °C 100GΩ 73dB 1.3MHz -
RS Stock No. 923-3555
Mfr. Part No.INA2128UA
HK$78.422
Each (In a Tube of 40)
units
Dual SOIC Surface Mount - 16 ±15V - 125µV -40 °C +85 °C 100GΩ 73dB 1.3MHz 1.5 mA
RS Stock No. 162-5366
Mfr. Part No.INA126E/250
HK$24.31
Each (On a Reel of 250)
units
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
RS Stock No. 912-9949
Mfr. Part No.AD8422BRZ
HK$55.957
Each (In a Tube of 98)
units
Dual SOIC Surface Mount - 8 ±1.8 ±18V Rail to Rail Output 75µV -40 °C +85 °C - 150dB 2.2MHz 30 μA
RS Stock No. 160-3355
Mfr. Part No.AD524CD
HK$672.936
Each (In a Tube of 23)
units
Dual SBDIP Through Hole - 16 ±15V - 50µV -40 °C +85 °C 10GΩ 120dB 25MHz 10 nA, 15 nA
RS Stock No. 121-9039
Mfr. Part No.INA101KU
HK$131.52
Each (In a Tube of 40)
units
Dual SOIC Surface Mount - 16 ±15V - - 0 °C +70 °C 10GΩ - - -
RS Stock No. 660-5351
Mfr. Part No.INA2128UA
HK$98.79
Each
units
Dual SOIC Surface Mount - 16 ±15V No 125µV -40 °C +85 °C 100GΩ 73dB 1.3MHz 1.5 mA
RS Stock No. 761-9301
Mfr. Part No.LTC2053IMS8#PBF
HK$64.98
Each
units
Dual, Single MSOP Surface Mount 2.7 6 V 8 ±5.5V Rail to Rail Input/Output ±0.01mV -40 °C +85 °C - 116dB 200kHz 1 mA
RS Stock No. 709-5569
Mfr. Part No.AMP02FSZ
HK$103.52
Each
units
Dual SOIC W Surface Mount - 16 ±12 V, ±15 V, ±5 V, ±9 V No 40µV -40 °C +85 °C 16.5GΩ 75dB 1.2MHz 6 mA
RS Stock No. 461-6592
Mfr. Part No.INA321EA/250
HK$21.26
Each
units
Single MSOP Surface Mount 3 V, 5 V 8 - Rail to Rail Output 1mV -55 °C +125 °C 10000GΩ 80dB - -
RS Stock No. 158-5246
Mfr. Part No.AD624CDZ
HK$619.312
Each (In a Tube of 23)
units
Dual SBCDIP Through Hole - 16 ±15V No 0.025mV -25 °C +85 °C 1GΩ 75dB 25MHz -
RS Stock No. 877-8830
Mfr. Part No.AD8290ACPZ-R2
HK$26.65
Each (In a Pack of 2)
units
Single LFCSP Surface Mount 2.6 5.5 V 16 - Rail to Rail Output - -40 °C +85 °C - 110dB 250Hz -
RS Stock No. 158-3557
Mfr. Part No.AD8230YRZ
HK$43.421
Each (In a Tube of 98)
units
Dual, Single SOIC Surface Mount 9 V, 12 V, 15 V 8 ±5V Rail to Rail Input/Output - -40 °C +125 °C - - - -
RS Stock No. 146-1248
Mfr. Part No.MAX4208AUA+
HK$25.122
Each (In a Tube of 50)
units
Dual, Single μMAX Surface Mount 2.85 5.5 V 8 ±1.425 ±2.75V Rail to Rail Output 0.02mV -40 °C +125 °C 2GΩ 106dB 750kHz 3 mA