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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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庫存編號 100-3846
製造零件編號INA118UB
HK$130.62
毎管:75 個
單位
Dual SOIC Surface Mount - 8 ±15V - 50µV -40 °C +125 °C 10GΩ 80dB 800kHz 0.385 mA
RS庫存編號 764-8747
製造零件編號AD8429ARZ
HK$67.44
單位
Dual SOIC Surface Mount - 8 ±4 → ±18V No 150µV -40 °C +125 °C 1.5GΩ 134dB 15MHz 7 mA
RS庫存編號 461-6520
製造零件編號INA118UB
HK$145.14
單位
Dual SOIC Surface Mount - 8 ±15V No 50µV -40 °C +125 °C 10GΩ 80dB 800kHz 0.385 mA
RS庫存編號 912-9917
製造零件編號AD8429ARZ
HK$54.973
毎管:98 個
單位
Dual SOIC Surface Mount - 8 ±4 → ±18V No 150µV -40 °C +125 °C 1.5GΩ 134dB 15MHz 7 mA
RS庫存編號 923-5570
製造零件編號MAX6675ISA+
BrandMaxim
HK$97.899
毎管:100 個
單位
Single SOIC Surface Mount 3 → 5.5 V 8 - No - -20 °C +85 °C - - - 1.5 mA
RS庫存編號 698-7118
製造零件編號MAX6675ISA+
BrandMaxim
HK$110.71
單位
Single SOIC Surface Mount 3 → 5.5 V 8 - No - -20 °C +85 °C - - - 1.5 mA
RS庫存編號 111-2201
製造零件編號AD627ANZ
HK$48.883
毎管:50 個
單位
Dual, Single PDIP Through Hole 7.5 V 8 ±15V Rail to Rail Output 0.25mV -40 °C +85 °C 20GΩ 77dB - 0.085 mA
RS庫存編號 518-069
製造零件編號EL8170FSZ
BrandIntersil
HK$21.554
/個 (每包:5個)
單位
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庫存編號 523-8581
製造零件編號AD627ANZ
HK$64.82
單位
Dual, Single PDIP Through Hole 7.5 V 8 ±15V Rail to Rail Output 0.25mV -40 °C +85 °C 20GΩ 77dB - 0.085 mA
RS庫存編號 369-6705
製造零件編號INA126PA
HK$19.851
毎管:50 個
單位
Dual PDIP Through Hole 3 V, 5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V 8 ±15V No 0.5mV -40 °C +85 °C 1GΩ 74dB - 0.2 mA
RS庫存編號 177-7115
製造零件編號EL8170FSZ
BrandIntersil
HK$25.585
毎管:97 個
單位
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庫存編號 252-1616
製造零件編號INA126PA
HK$25.73
單位
Dual PDIP Through Hole 3 V, 5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V 8 ±15V No 0.5mV -40 °C +85 °C 1GΩ 74dB - 0.2 mA
RS庫存編號 923-2379
製造零件編號INA131AP
HK$70.809
毎管:50 個
單位
Dual, Single PDIP Through Hole 5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V 8 ±15V - 0.125mV -40 °C +85 °C 10GΩ 106dB - 3 mA
RS庫存編號 106-6379
製造零件編號AD595AQ
HK$130.464
毎管:25 個
單位
Dual, Single CDIP Through Hole 5 V 14 ±15V - - -55 °C +125 °C - - 15kHz -
RS庫存編號 523-6248
製造零件編號AD623ARMZ
HK$37.34
單位
Dual, Single MSOP Surface Mount 3 V, 5 V, 9 V 8 ±3 V, ±5 V Rail to Rail Output 0.5mV -40 °C +85 °C 2GΩ 70dB - -
RS庫存編號 288-929
製造零件編號PGA205AU
HK$137.55
單位
Dual SOIC Surface Mount - 16 ±15V No - -40 °C +85 °C 10GΩ 75dB - 7.5 mA
RS庫存編號 522-9717
製造零件編號AD620ANZ
HK$95.45
單位
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庫存編號 912-9999
製造零件編號AD8421BRMZ
HK$69.429
毎管:50 個
單位
Dual, Single MSOP 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庫存編號 913-0009
製造零件編號AD8421BRZ
HK$67.242
毎管:98 個
單位
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庫存編號 796-8877
製造零件編號AD8421BRZ
HK$92.88
單位
Dual, Single SOIC Surface Mount 5 → 36 V 8 ±2.5 → ±18V No 25µV -40 °C +125 °C 4kΩ 100dB 10MHz 2.6 mA