18 Instrumentation Amplifiers 40

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Part RoHS Manufacturer Amplifier Type Temperature Grade Terminal Form No. of Terminals Package Code Package Shape Total Dose (V) Package Body Material Nominal Unity Gain Bandwidth Maximum Negative Supply Voltage Limit Maximum Input Offset Voltage Maximum Average Bias Current (IIB) Surface Mount No. of Functions Minimum Common Mode Reject Ratio Technology Screening Level Nominal Common Mode Reject Ratio Maximum Supply Current Nominal Negative Supply Voltage (Vsup) Architecture Programmable Power Packing Method Nominal Supply Voltage / Vsup (V) Power Supplies (V) Package Style (Meter) Package Equivalence Code Maximum Input Offset Current (IIO) Minimum Slew Rate Sub-Category Nominal Slow Rate Maximum Non Linearity Maximum Supply Voltage Limit Terminal Pitch Maximum Operating Temperature Maximum Bias Current (IIB) @25C Maximum Common Mode Voltage Frequency Compensation Minimum Voltage Gain Minimum Operating Temperature Terminal Finish Nominal Voltage Gain Terminal Position Low-Offset JESD-30 Code Maximum Voltage Gain Moisture Sensitivity Level (MSL) Maximum Seated Height Width Qualification Nominal Bandwidth (3dB) JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Length

AMP01AX

Analog Devices

Instrumentation Amplifier

Military

Through-Hole

18

DIP

Rectangular

Ceramic, Glass-Sealed

-18 V

80 µV

10 nA

No

1

80 dB

Bipolar

4.8 mA

-15 V

15 V

±15 V

In-Line

DIP18,.3

1 nA

Instrumentation Amplifiers

4.5 V/us

0.005 %

18 V

0.1 in (2.54 mm)

125 °C (257 °F)

0.1

-55 °C (-67 °F)

Tin Lead

10000

Dual

R-GDIP-T18

10000

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

570 kHz

e0

AMP01BX

Analog Devices

Instrumentation Amplifier

Military

Through-Hole

18

DIP

Rectangular

Ceramic, Glass-Sealed

-18 V

150 µV

15 nA

No

1

75 dB

Bipolar

4.8 mA

-15 V

15 V

±15 V

In-Line

DIP18,.3

2 nA

Instrumentation Amplifiers

4.5 V/us

0.005 %

18 V

0.1 in (2.54 mm)

125 °C (257 °F)

0.1

-55 °C (-67 °F)

Tin Lead

10000

Dual

R-GDIP-T18

10000

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

570 kHz

e0

INA120BG

Texas Instruments

Instrumentation Amplifier

Other

Through-Hole

18

DIP

Rectangular

Ceramic, Metal-Sealed Cofired

-18 V

1.1 mV

20 nA

No

1

74 dB

Bipolar

4 mA

-15 V

15 V

±15 V

In-Line

DIP18,.3

20 nA

Instrumentation Amplifiers

0.6 V/us

0.1 %

18 V

0.1 in (2.54 mm)

85 °C (185 °F)

1

-25 °C (-13 °F)

10

Dual

R-CDIP-T18

1000

No

2 MHz

INA120CG

Texas Instruments

Instrumentation Amplifier

Other

Through-Hole

18

DIP

Rectangular

Ceramic, Metal-Sealed Cofired

-18 V

625 µV

20 nA

No

1

80 dB

Bipolar

4 mA

-15 V

15 V

±15 V

In-Line

DIP18,.3

10 nA

Instrumentation Amplifiers

0.6 V/us

0.05 %

18 V

0.1 in (2.54 mm)

85 °C (185 °F)

1

-25 °C (-13 °F)

10

Dual

R-CDIP-T18

1000

No

2 MHz

INA120AP

Texas Instruments

Instrumentation Amplifier

Other

Through-Hole

18

DIP

Rectangular

Plastic/Epoxy

-18 V

2.2 mV

50 nA

No

1

70 dB

Bipolar

4 mA

-15 V

15 V

±15 V

In-Line

DIP18,.3

50 nA

Instrumentation Amplifiers

0.6 V/us

0.1 %

18 V

0.1 in (2.54 mm)

85 °C (185 °F)

1

-25 °C (-13 °F)

10

Dual

R-PDIP-T18

1000

0.21 in (5.33 mm)

0.3 in (7.62 mm)

No

2 MHz

0.9 in (22.86 mm)

INA120BP

Texas Instruments

Instrumentation Amplifier

Other

Through-Hole

18

DIP

Rectangular

Plastic/Epoxy

-18 V

1.1 mV

20 nA

No

1

74 dB

Bipolar

4 mA

-15 V

15 V

±15 V

In-Line

DIP18,.3

20 nA

Instrumentation Amplifiers

0.6 V/us

0.1 %

18 V

0.1 in (2.54 mm)

85 °C (185 °F)

1

-25 °C (-13 °F)

10

Dual

R-PDIP-T18

1000

0.21 in (5.33 mm)

0.3 in (7.62 mm)

No

2 MHz

0.9 in (22.86 mm)

AMP01EX

Analog Devices

Instrumentation Amplifier

Other

Through-Hole

18

DIP

Rectangular

Ceramic, Glass-Sealed

-18 V

80 µV

10 nA

No

1

80 dB

Bipolar

4.8 mA

-15 V

15 V

±15 V

In-Line

DIP18,.3

1 nA

Instrumentation Amplifiers

4.5 V/us

0.005 %

18 V

0.1 in (2.54 mm)

85 °C (185 °F)

0.1

-25 °C (-13 °F)

Tin Lead

10000

Dual

R-GDIP-T18

10000

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

570 kHz

e0

AMP05FX

Analog Devices

Instrumentation Amplifier

Other

Through-Hole

18

DIP

Rectangular

Ceramic, Glass-Sealed

-18 V

2 mV

100 pA

No

1

80 dB

JFET

10 mA

-15 V

15 V

±15 V

In-Line

DIP18,.3

50 pA

Instrumentation Amplifiers

7.5 V/us

18 V

0.1 in (2.54 mm)

85 °C (185 °F)

0.1

-25 °C (-13 °F)

Tin Lead

Dual

R-GDIP-T18

2000

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

120 kHz

e0

AMP01AD/QMLV

Analog Devices

Instrumentation Amplifier

Military

Through-Hole

18

DIP

Rectangular

Ceramic, Glass-Sealed

-18 V

80 µV

10 nA

No

1

85 dB

MIL-PRF-38535 Class V

-15 V

15 V

In-Line

3 nA

Instrumentation Amplifiers

3.5 V/us

18 V

125 °C (257 °F)

1

-55 °C (-67 °F)

Dual

R-GDIP-T18

1000

5962-8863001V3A

Analog Devices

Instrumentation Amplifier

Military

No Lead

18

QCCN

Square

Ceramic, Glass-Sealed

-18 V

10 nA

Yes

1

80 dB

Bipolar

38535V;38534K;883S

4.8 mA

-15 V

15 V

±15 V

In-Line

LCC28,.45SQ

3 nA

Instrumentation Amplifiers

18 V

0.05 in (1.27 mm)

125 °C (257 °F)

1

-55 °C (-67 °F)

10

Dual

S-XQCC-N28

1000

1

Yes

5962-8863001VVX

Analog Devices

Instrumentation Amplifier

Military

Through-Hole

18

DIP

Rectangular

Ceramic, Glass-Sealed

-18 V

10 nA

No

1

80 dB

-15 V

15 V

In-Line

3 nA

Instrumentation Amplifiers

18 V

125 °C (257 °F)

1

-55 °C (-67 °F)

10

Dual

R-GDIP-T18

1000

Yes

AMP05AX/883C

Analog Devices

Instrumentation Amplifier

Military

Through-Hole

18

DIP

Rectangular

Ceramic, Glass-Sealed

-18 V

2 mV

20 nA

No

1

85 dB

Bipolar

38535Q/M;38534H;883B

9 mA

-15 V

15 V

±15 V

In-Line

DIP18,.3

5 nA

Instrumentation Amplifiers

5.5 V/us

0.02 %

18 V

0.1 in (2.54 mm)

125 °C (257 °F)

0.1

-55 °C (-67 °F)

Tin Lead

Dual

R-GDIP-T18

2000

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

3 MHz

e0

5962-8863001VA

Analog Devices

Instrumentation Amplifier

Military

Through-Hole

18

DIP

Rectangular

Ceramic, Glass-Sealed

-18 V

80 µV

10 nA

No

1

80 dB

Bipolar

MIL-STD-883

-15 V

15 V

±15 V

In-Line

DIP18,.3

3 nA

Instrumentation Amplifiers

4.5 V/us

0.005 %

18 V

0.1 in (2.54 mm)

125 °C (257 °F)

1

-55 °C (-67 °F)

Tin Lead

10

Dual

R-GDIP-T18

1000

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

570 kHz

e0

AMP01GBC

Analog Devices

Instrumentation Amplifier

Commercial

No Lead

18

DIE

-18 V

120 µV

8 nA

Yes

1

75 dB

Bipolar

MIL-STD-883 Class B (Modified)

4.8 mA

-15 V

15 V

±15 V

Uncased Chip

Die Or Chip

3 nA

Instrumentation Amplifiers

4.5 V/us

18 V

70 °C (158 °F)

0.1

0 °C (32 °F)

Tin Lead

Upper

X-XUUC-N18

10000

No

26 kHz

e0

AMP05AX/883

Analog Devices

Instrumentation Amplifier

Military

Through-Hole

18

DIP

Rectangular

Ceramic, Glass-Sealed

-18 V

2 mV

20 nA

No

1

85 dB

Bipolar

-15 V

15 V

In-Line

5 nA

5.5 V/us

0.02 %

18 V

0.1 in (2.54 mm)

125 °C (257 °F)

0.1

-55 °C (-67 °F)

Tin Lead

Dual

R-GDIP-T18

2000

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

3 MHz

e0

AMP05BX/883

Analog Devices

Instrumentation Amplifier

Military

Through-Hole

18

DIP

Rectangular

Ceramic, Glass-Sealed

-18 V

4 mV

30 nA

No

1

75 dB

Bipolar

-15 V

15 V

In-Line

10 nA

5.5 V/us

0.02 %

18 V

0.1 in (2.54 mm)

125 °C (257 °F)

0.1

-55 °C (-67 °F)

Tin Lead

Dual

R-GDIP-T18

2000

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

3 MHz

e0

5962-8863003VVA

Analog Devices

Instrumentation Amplifier

Military

Through-Hole

18

DIP

Rectangular

Ceramic, Glass-Sealed

-18 V

10 nA

No

1

80 dB

Bipolar

MIL-PRF-38535 Class V

-15 V

15 V

±15 V

In-Line

DIP18,.3

3 nA

Instrumentation Amplifiers

18 V

0.1 in (2.54 mm)

125 °C (257 °F)

1

-55 °C (-67 °F)

Tin Lead

10

Dual

R-GDIP-T18

1000

Yes

e0

AMP05AX

Analog Devices

Instrumentation Amplifier

Military

Through-Hole

18

DIP

Rectangular

Ceramic, Glass-Sealed

-18 V

1 mV

50 pA

No

1

90 dB

JFET

9 mA

-15 V

15 V

±15 V

In-Line

DIP18,.3

25 pA

Instrumentation Amplifiers

7.5 V/us

18 V

0.1 in (2.54 mm)

125 °C (257 °F)

0.1

-55 °C (-67 °F)

Tin Lead

Dual

R-GDIP-T18

2000

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

120 kHz

e0

AMP01BXMDA

Analog Devices

Instrumentation Amplifier

Military

Through-Hole

18

DIP

Rectangular

Ceramic

No

1

Bipolar

38535Q/M;38534H;883B

9.6 mA

-15 V

15 V

±15 V

In-Line

DIP18,.3

Instrumentation Amplifiers

0.1 in (2.54 mm)

125 °C (257 °F)

-55 °C (-67 °F)

Tin/Lead

Dual

R-XDIP-T18

No

e0

5962-8863002VA

Analog Devices

Instrumentation Amplifier

Military

Through-Hole

18

DIP

Rectangular

Ceramic, Glass-Sealed

-18 V

150 µV

15 nA

No

1

75 dB

Bipolar

MIL-STD-883

-15 V

15 V

±15 V

In-Line

DIP18,.3

6 nA

Instrumentation Amplifiers

4.5 V/us

0.005 %

18 V

0.1 in (2.54 mm)

125 °C (257 °F)

1

-55 °C (-67 °F)

Tin Lead

10

Dual

R-GDIP-T18

1000

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

570 kHz

e0

AMP05BIFX

Analog Devices

Instrumentation Amplifier

Other

Through-Hole

18

DIP

Rectangular

Ceramic, Glass-Sealed

-18 V

4 mV

8 nA

No

1

75 dB

Bipolar

-15 V

15 V

In-Line

1 nA

5.5 V/us

0.02 %

18 V

0.1 in (2.54 mm)

85 °C (185 °F)

0.1

-25 °C (-13 °F)

Tin Lead

Dual

R-GDIP-T18

2000

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

3 MHz

e0

AMP05EX

Analog Devices

Instrumentation Amplifier

Other

Through-Hole

18

DIP

Rectangular

Ceramic, Glass-Sealed

-18 V

2 mV

50 pA

No

1

90 dB

JFET

9 mA

-15 V

15 V

±15 V

In-Line

DIP18,.3

25 pA

Instrumentation Amplifiers

7.5 V/us

18 V

0.1 in (2.54 mm)

85 °C (185 °F)

0.1

-25 °C (-13 °F)

Tin Lead

Dual

R-GDIP-T18

2000

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

120 kHz

e0

AMP05BX/883C

Analog Devices

Instrumentation Amplifier

Military

Through-Hole

18

DIP

Rectangular

Ceramic, Glass-Sealed

-18 V

4 mV

30 nA

No

1

75 dB

Bipolar

38535Q/M;38534H;883B

10 mA

-15 V

15 V

±15 V

In-Line

DIP18,.3

10 nA

Instrumentation Amplifiers

5.5 V/us

0.02 %

18 V

0.1 in (2.54 mm)

125 °C (257 °F)

0.1

-55 °C (-67 °F)

Tin Lead

Dual

R-GDIP-T18

2000

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

3 MHz

e0

AMP01NBC

Analog Devices

Instrumentation Amplifier

Other

No Lead

18

DIE

-18 V

60 µV

4 nA

Yes

1

85 dB

Bipolar

MIL-STD-883 Class B (Modified)

4.8 mA

-15 V

15 V

±15 V

Uncased Chip

Die Or Chip

1 nA

Instrumentation Amplifiers

4.5 V/us

18 V

25 °C (77 °F)

0.1

25 °C (77 °F)

Upper

X-XUUC-N18

10000

3

No

26 kHz

30 s

240 °C (464 °F)

5962-8863001V3X

Analog Devices

Instrumentation Amplifier

Military

18

Ceramic, Glass-Sealed

-18 V

10 nA

1

80 dB

In-Line

3 nA

Instrumentation Amplifiers

18 V

125 °C (257 °F)

1

-55 °C (-67 °F)

10

Dual

1000

Yes

AMP01AX/883C

Analog Devices

Instrumentation Amplifier

Military

Through-Hole

18

DIP

Rectangular

Ceramic, Glass-Sealed

-18 V

80 µV

10 nA

No

1

80 dB

Bipolar

38535Q/M;38534H;883B

4.8 mA

-15 V

15 V

±15 V

In-Line

DIP18,.3

1 nA

Instrumentation Amplifiers

4.5 V/us

0.005 %

18 V

0.1 in (2.54 mm)

125 °C (257 °F)

0.1

-55 °C (-67 °F)

Tin Lead

Dual

R-GDIP-T18

10000

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

570 kHz

e0

AMP01BX/883

Analog Devices

Instrumentation Amplifier

Military

Through-Hole

18

DIP

Rectangular

Ceramic, Glass-Sealed

-18 V

150 µV

15 nA

No

1

75 dB

Bipolar

38535Q/M;38534H;883B

-15 V

15 V

±15 V

In-Line

DIP18,.3

2 nA

Instrumentation Amplifiers

4.5 V/us

0.005 %

18 V

0.1 in (2.54 mm)

125 °C (257 °F)

0.1

-55 °C (-67 °F)

Tin Lead

Dual

R-GDIP-T18

10000

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

570 kHz

e0

AMP05BX

Analog Devices

Instrumentation Amplifier

Military

Through-Hole

18

DIP

Rectangular

Ceramic, Glass-Sealed

-18 V

1 mV

100 pA

No

1

80 dB

JFET

10 mA

-15 V

15 V

±15 V

In-Line

DIP18,.3

50 pA

Instrumentation Amplifiers

7.5 V/us

18 V

0.1 in (2.54 mm)

125 °C (257 °F)

0.1

-55 °C (-67 °F)

Tin Lead

Dual

R-GDIP-T18

2000

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

120 kHz

e0

5962-8863001VVA

Analog Devices

Instrumentation Amplifier

Military

Through-Hole

18

DIP

Rectangular

Ceramic, Glass-Sealed

-18 V

80 µV

10 nA

No

1

80 dB

Bipolar

MIL-PRF-38535 Class V

4.8 mA

-15 V

15 V

±15 V

In-Line

DIP18,.3

3 nA

Instrumentation Amplifiers

18 V

0.1 in (2.54 mm)

125 °C (257 °F)

1

-55 °C (-67 °F)

Tin Lead

10

Dual

R-GDIP-T18

1000

Yes

570 kHz

e0

5962-8863003VXA

Analog Devices

Instrumentation Amplifier

Military

Through-Hole

18

DIP

Rectangular

Ceramic

No

1

Bipolar

38535V;38534K;883S

4.8 mA

-15 V

15 V

±15 V

In-Line

DIP18,.3

Instrumentation Amplifiers

0.1 in (2.54 mm)

125 °C (257 °F)

-55 °C (-67 °F)

Tin/Lead - hot dipped

Dual

R-XDIP-T18

No

e0

AMP01AXMDA

Analog Devices

Instrumentation Amplifier

Military

Through-Hole

18

DIP

Rectangular

Ceramic

No

1

Bipolar

38535Q/M;38534H;883B

9.6 mA

-15 V

15 V

±15 V

In-Line

DIP18,.3

Instrumentation Amplifiers

0.1 in (2.54 mm)

125 °C (257 °F)

-55 °C (-67 °F)

Tin/Lead

Dual

R-XDIP-T18

No

e0

AMP01FX

Analog Devices

Instrumentation Amplifier

Other

Through-Hole

18

DIP

Rectangular

Ceramic, Glass-Sealed

-18 V

150 µV

15 nA

No

1

75 dB

Bipolar

4.8 mA

-15 V

15 V

±15 V

In-Line

DIP18,.3

2 nA

Instrumentation Amplifiers

4.5 V/us

0.005 %

18 V

0.1 in (2.54 mm)

85 °C (185 °F)

0.1

-25 °C (-13 °F)

Tin Lead

10000

Dual

R-GDIP-T18

10000

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

570 kHz

e0

AMP01BX/883C

Analog Devices

Instrumentation Amplifier

Military

Through-Hole

18

DIP

Rectangular

Ceramic, Glass-Sealed

-18 V

150 µV

15 nA

No

1

75 dB

Bipolar

38535Q/M;38534H;883B

4.8 mA

-15 V

15 V

±15 V

In-Line

DIP18,.3

2 nA

Instrumentation Amplifiers

4.5 V/us

0.005 %

18 V

0.1 in (2.54 mm)

125 °C (257 °F)

0.1

-55 °C (-67 °F)

Tin Lead

Dual

R-GDIP-T18

10000

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

570 kHz

e0

AMP01AX/883

Analog Devices

Instrumentation Amplifier

Military

Through-Hole

18

DIP

Rectangular

Ceramic, Glass-Sealed

-18 V

80 µV

10 nA

No

1

80 dB

Bipolar

38535Q/M;38534H;883B

-15 V

15 V

±15 V

In-Line

DIP18,.3

1 nA

Instrumentation Amplifiers

4.5 V/us

0.005 %

18 V

0.1 in (2.54 mm)

125 °C (257 °F)

0.1

-55 °C (-67 °F)

Tin Lead

Dual

R-GDIP-T18

10000

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

570 kHz

e0

5962-8863002VX

Analog Devices

Instrumentation Amplifier

Military

Through-Hole

18

DIP

Rectangular

Ceramic, Glass-Sealed

-18 V

150 µV

15 nA

No

1

75 dB

-15 V

15 V

In-Line

2 nA

Instrumentation Amplifiers

4.5 V/us

0.005 %

18 V

0.1 in (2.54 mm)

125 °C (257 °F)

0.1

-55 °C (-67 °F)

1000

Dual

R-GDIP-T18

10000

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

570 kHz

AMP05BIEX

Analog Devices

Instrumentation Amplifier

Other

Through-Hole

18

DIP

Rectangular

Ceramic, Glass-Sealed

-18 V

2 mV

4 nA

No

1

85 dB

Bipolar

-15 V

15 V

In-Line

500 pA

5.5 V/us

0.02 %

18 V

0.1 in (2.54 mm)

85 °C (185 °F)

0.1

-25 °C (-13 °F)

Tin Lead

Dual

R-GDIP-T18

2000

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

3 MHz

e0

AMP05BC

Analog Devices

Instrumentation Amplifier

No Lead

18

DIE

-18 V

2 mV

100 pA

Yes

1

80 dB

JFET

10 mA

-15 V

15 V

Uncased Chip

50 pA

7.5 V/us

18 V

Tin Lead

Upper

X-XUUC-N18

No

120 kHz

e0

5962-8863001VKA

Analog Devices

Instrumentation Amplifier

Military

Through-Hole

18

DIP

Rectangular

Ceramic, Glass-Sealed

-18 V

10 nA

No

1

80 dB

Bipolar

MIL-PRF-38535 Class V

4.8 mA

-15 V

15 V

±15 V

In-Line

FL24,.4

3 nA

Instrumentation Amplifiers

18 V

0.05 in (1.27 mm)

125 °C (257 °F)

1

-55 °C (-67 °F)

Tin Lead

10

Dual

R-GDIP-T18

1000

No

e0

5962-8863003VVX

Analog Devices

Instrumentation Amplifier

Military

Through-Hole

18

DIP

Rectangular

Ceramic, Glass-Sealed

-18 V

10 nA

No

1

80 dB

-15 V

15 V

In-Line

3 nA

Instrumentation Amplifiers

18 V

125 °C (257 °F)

1

-55 °C (-67 °F)

10

Dual

R-GDIP-T18

1000

Yes

5962-8863001VX

Analog Devices

Instrumentation Amplifier

Military

Through-Hole

18

DIP

Rectangular

Ceramic, Glass-Sealed

-18 V

80 µV

10 nA

No

1

80 dB

-15 V

15 V

In-Line

1 nA

Instrumentation Amplifiers

4.5 V/us

0.005 %

18 V

0.1 in (2.54 mm)

125 °C (257 °F)

0.1

-55 °C (-67 °F)

1000

Dual

R-GDIP-T18

10000

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

570 kHz

Instrumentation Amplifiers

An instrumentation amplifier is an electronic circuit that amplifies small differential voltages to produce a larger output voltage signal. The main purpose of an instrumentation amplifier is to provide a high-precision and stable amplification of small signals while rejecting any common-mode noise or interference.

An instrumentation amplifier consists of three operational amplifiers (op-amps) and precision resistors. The first two op-amps are used as buffer amplifiers, and the third op-amp is used as a differential amplifier. The input signals are applied to the buffer amplifiers, which provide high input impedance and low output impedance to minimize loading effects. The differential amplifier then amplifies the difference between the two input signals, and the resulting output signal is proportional to the difference in voltage between the two input signals.

Instrumentation amplifiers are used in applications where small voltage signals need to be accurately measured or amplified. They are commonly used in industrial control systems, biomedical instrumentation, data acquisition systems, and audio equipment.

One advantage of an instrumentation amplifier is that it can be used to measure small differential voltages even in the presence of significant common-mode noise, which can be difficult to achieve with other types of amplifiers. Additionally, many instrumentation amplifiers offer a high level of accuracy, stability, and linearity, which makes them a popular choice for precision measurement applications.