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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.

Instrumentation Amplifiers

Available Parts 356

Part# Info Amplifier Characteristics Performance Specifications Operational Characteristics Physical Characteristics Manufacturing and Reliability Standards Packaging and Shipping
Part RoHS Manufacturer Description Amplifier Type Technology Power Supply Total Functions Sub-Category Nominal Bandwidth (3dB) Nominal Unity Gain Bandwidth Nominal Slew Rate Minimum Common Mode Rejection Ratio (CMRR ) Nominal Common Mode Rejection Ratio (CMRR ) Input Offset Voltage Limit Peak Bias Current Maximum Bias Current (IIB) @25 °C Maximum Supply Current Minimum Voltage Gain Nominal Voltage Gain Maximum Voltage Gain Maximum Non Linearity Maximum Input Offset Current (IIO) Nominal Supply Voltage Maximum Supply Voltage Nominal Negative Supply Voltage (Vsup) Maximum Negative Supply Voltage Lowest Operating Temperature Maximum Operating Temperature Reflow Peak Time Limit Peak Reflow Temperature Length Width Maximum Seated Height Total Terminals Terminal Pitch Terminal Position Terminal Form Terminal Finish Package Body Material Surface Mount Moisture Sensitivity Level (MSL) Temperature Grade Qualified Screening Level JESD-30 Code JESD-609 Code Packing Method Package Code Package Shape Package Style Package Equivalence Code
AD8220ARMZ-RL by Analog Devices

AD8220ARMZ-RL

Analog Devices

AD8220ARMZ-RL by Analog Devices is an instrumentation amplifier with 250uV max input offset voltage, 74dB nominal CMRR, and 15V nominal voltage. Ideal for industrial applications requiring precise signal amplification in a compact package with dual terminals and matte tin finish.

Instrumentation Amplifier

±5,±15 V

1

Instrumentation Amplifiers

2 V/us

74 dB

250 µV

25 pA

15 V

18 V

-15 V

-18 V

-40 °C (-40 °F)

85 °C (185 °F)

260 °C (500 °F)

0.118 in (3 mm)

0.118 in (3 mm)

0.043 in (1.1 mm)

8

0.026 in (0.65 mm)

Dual

Gull Wing

Matte Tin

Plastic/Epoxy

Yes

1

Industrial

No

S-PDSO-G8

e3

Tape And Reel

TSSOP

Square

Small Outline, Thin Profile, Shrink Pitch

TSSOP8,.19

INA125TDA1 by Texas Instruments

INA125TDA1

Texas Instruments

INA125TDA1 by Texas Instruments is an instrumentation amplifier with 250uV max input offset voltage, 0.025uA max average bias current, and 0.15MHz nominal bandwidth. Ideal for precision signal amplification in medical devices, industrial sensors, and data acquisition systems due to its high common mode rejection ratio of 107dB.

Instrumentation Amplifier

1

Instrumentation Amplifiers

150 kHz

107 dB

250 µV

25 nA

25 nA

4

10000

0.004 %

0.166 in (4.228 mm)

0.077 in (1.9558 mm)

17

Upper

No Lead

Yes

R-XUUC-N17

Tube

DIE

Rectangular

Uncased Chip

INA125TDA2 by Texas Instruments

INA125TDA2

Texas Instruments

INA125TDA2 by Texas Instruments is an instrumentation amplifier with max voltage gain of 10000 and bandwidth of 0.15 MHz. Ideal for precision applications, it offers low offset voltage of 250 uV and low bias current of 0.025 uA, making it suitable for sensitive measurements in medical devices or industrial equipment.

Instrumentation Amplifier

1

Instrumentation Amplifiers

150 kHz

107 dB

250 µV

25 nA

25 nA

4

10000

0.004 %

0.166 in (4.228 mm)

0.077 in (1.9558 mm)

17

Upper

No Lead

Yes

R-XUUC-N17

Tube

DIE

Rectangular

Uncased Chip

EL8172FSZ-T7A by Renesas Electronics

EL8172FSZ-T7A

Renesas Electronics

EL8172FSZ-T7A by Renesas Electronics is an instrumentation amplifier with 700uV max input offset voltage, 0.004uA max average bias current, and 5.5V max supply voltage limit. Ideal for automotive applications due to its small outline package style and high common mode reject ratio of 75dB.

Instrumentation Amplifier

1

Instrumentation Amplifiers

0.55 V/us

75 dB

700 µV

4 nA

110 μA

500 pA

5 V

5.5 V

-40 °C (-40 °F)

125 °C (257 °F)

0.193 in (4.9022 mm)

0.154 in (3.9116 mm)

0.068 in (1.7272 mm)

8

0.05 in (1.27 mm)

Dual

Gull Wing

Matte Tin

Plastic/Epoxy

Yes

3

Automotive

R-PDSO-G8

e3

Tape And Reel

SOP

Rectangular

Small Outline

SOP8,.25

INA821IDGKR by Texas Instruments

INA821IDGKR

Texas Instruments

INA821IDGKR by Texas Instruments is an instrumentation amplifier with a max input offset voltage of 95uV and max bias current of 0.002uA. It operates at temperatures ranging from -40 to 125 °C and has a bandwidth of 4.7MHz, making it suitable for automotive applications requiring precise signal amplification in compact spaces.

Instrumentation Amplifier

1

Instrumentation Amplifiers

4.7 MHz

2 V/us

92 dB

95 µV

2 nA

500 pA

1

1000

0.0015 %

2 nA

15 V

18 V

-15 V

-18 V

-40 °C (-40 °F)

125 °C (257 °F)

260 °C (500 °F)

0.118 in (3 mm)

0.118 in (3 mm)

0.043 in (1.1 mm)

8

0.026 in (0.65 mm)

Dual

Gull Wing

Nickel/Palladium/Gold/Silver

Plastic/Epoxy

Yes

2

Automotive

S-PDSO-G8

e4

TSSOP

Square

Small Outline, Thin Profile, Shrink Pitch

ADA4254ACPZ-RL by Analog Devices

ADA4254ACPZ-RL

Analog Devices

ADA4254ACPZ-RL by Analog Devices is an instrumentation amplifier with 14uV max input offset voltage, 0.014uA max average bias current, and 1.8MHz nominal bandwidth. Ideal for industrial applications requiring precise signal amplification in a compact square package with 28 terminals.

Instrumentation Amplifier

1

Instrumentation Amplifiers

1.8 MHz

3.1 V/us

112 dB

14 µV

14 nA

0.0625

1

128

0.0015 %

3.5 nA

12 V

16 V

-12 V

-16 V

-40 °C (-40 °F)

105 °C (221 °F)

30 s

260 °C (500 °F)

0.197 in (5 mm)

0.197 in (5 mm)

0.031 in (0.8 mm)

28

0.02 in (0.5 mm)

Quad

No Lead

Yes

3

Industrial

S-XQCC-N28

Tape And Reel

HVQCCN

Square

Chip Carrier, Heat Sink/Slug, Very Thin Profile

ADA4254ARUZ-RL by Analog Devices

ADA4254ARUZ-RL

Analog Devices

ADA4254ARUZ-RL by Analog Devices is an instrumentation amplifier with 14uV max input offset voltage, 0.014uA max average bias current, and 1.8MHz nominal bandwidth. Ideal for industrial applications requiring precise signal amplification in a compact package with a wide temperature range.

Instrumentation Amplifier

1

Instrumentation Amplifiers

1.8 MHz

3.1 V/us

112 dB

14 µV

14 nA

0.0625

1

128

0.0015 %

3.5 nA

12 V

16 V

-12 V

-16 V

-40 °C (-40 °F)

105 °C (221 °F)

30 s

260 °C (500 °F)

0.307 in (7.8 mm)

0.173 in (4.4 mm)

0.047 in (1.2 mm)

24

0.026 in (0.65 mm)

Dual

Gull Wing

Matte Tin

Plastic/Epoxy

Yes

1

Industrial

R-PDSO-G24

e3

Tape And Reel

TSSOP

Rectangular

Small Outline, Thin Profile, Shrink Pitch

ADA4254ARUZ by Analog Devices

ADA4254ARUZ

Analog Devices

ADA4254ARUZ by Analog Devices is an instrumentation amplifier with 14uV max input offset voltage, 0.014uA max average bias current, and 1.8MHz nominal bandwidth. Ideal for industrial applications requiring precise signal amplification in a compact package with a wide temperature range.

Instrumentation Amplifier

1

Instrumentation Amplifiers

1.8 MHz

3.1 V/us

112 dB

14 µV

14 nA

0.0625

1

128

0.0015 %

3.5 nA

12 V

16 V

-12 V

-16 V

-40 °C (-40 °F)

105 °C (221 °F)

30 s

260 °C (500 °F)

0.307 in (7.8 mm)

0.173 in (4.4 mm)

0.047 in (1.2 mm)

24

0.026 in (0.65 mm)

Dual

Gull Wing

Matte Tin

Plastic/Epoxy

Yes

1

Industrial

R-PDSO-G24

e3

TSSOP

Rectangular

Small Outline, Thin Profile, Shrink Pitch

MCP6N16-001E/MSVAO by Microchip Technology

MCP6N16-001E/MSVAO

Microchip Technology

MCP6N16-001E/MSVAO by Microchip Technology is an instrumentation amplifier with 85uV max input offset voltage, 2.9V nominal voltage, and 89dB min common mode reject ratio. Ideal for automotive applications due to AEC-Q100 screening level and -40 to 125 °C operating temperature range.

Instrumentation Amplifier

CMOS

1

Instrumentation Amplifiers

89 dB

85 µV

100 pA

1.6 mA

1

800 pA

2.9 V

6.5 V

-40 °C (-40 °F)

125 °C (257 °F)

0.118 in (3 mm)

0.118 in (3 mm)

0.043 in (1.1 mm)

8

0.026 in (0.65 mm)

Dual

Gull Wing

Plastic/Epoxy

Yes

Automotive

AEC-Q100; TS 16949

S-PDSO-G8

Tube

TSSOP

Square

Small Outline, Thin Profile, Shrink Pitch

TSSOP8,.19

MCP6N16-010E/MSVAO by Microchip Technology

MCP6N16-010E/MSVAO

Microchip Technology

MCP6N16-010E/MSVAO by Microchip Technology is an instrumentation amplifier with 22uV max input offset voltage, 103dB min common mode reject ratio, and 1.6mA max supply current. Ideal for automotive applications due to AEC-Q100 screening level and -40 to 125 °C operating temperature range.

Instrumentation Amplifier

CMOS

1

Instrumentation Amplifiers

103 dB

22 µV

100 pA

1.6 mA

10

800 pA

2.9 V

6.5 V

-40 °C (-40 °F)

125 °C (257 °F)

0.118 in (3 mm)

0.118 in (3 mm)

0.043 in (1.1 mm)

8

0.026 in (0.65 mm)

Dual

Gull Wing

Plastic/Epoxy

Yes

Automotive

AEC-Q100; TS 16949

S-PDSO-G8

Tube

TSSOP

Square

Small Outline, Thin Profile, Shrink Pitch

TSSOP8,.19

MCP6N16-100E/MSVAO by Microchip Technology

MCP6N16-100E/MSVAO

Microchip Technology

MCP6N16-100E/MSVAO by Microchip is an instrumentation amplifier with 17uV max input offset voltage, 112dB min CMRR, and 1.6mA max supply current. Ideal for automotive applications due to AEC-Q100 screening level and -40 to 125 °C operating temperature range.

Instrumentation Amplifier

CMOS

1

Instrumentation Amplifiers

112 dB

17 µV

100 pA

1.6 mA

100

800 pA

2.9 V

6.5 V

-40 °C (-40 °F)

125 °C (257 °F)

0.118 in (3 mm)

0.118 in (3 mm)

0.043 in (1.1 mm)

8

0.026 in (0.65 mm)

Dual

Gull Wing

Plastic/Epoxy

Yes

Automotive

AEC-Q100; TS 16949

S-PDSO-G8

Tube

TSSOP

Square

Small Outline, Thin Profile, Shrink Pitch

TSSOP8,.19

MCP6N16T-001E/MSVAO by Microchip Technology

MCP6N16T-001E/MSVAO

Microchip Technology

MCP6N16T-001E/MSVAO by Microchip Technology is an instrumentation amplifier with 85uV max input offset voltage, 2.9V nominal voltage, and 89dB min common mode reject ratio. Ideal for automotive applications due to AEC-Q100 screening level and -40 to 125 °C operating temperature range.

Instrumentation Amplifier

CMOS

1

Instrumentation Amplifiers

89 dB

85 µV

100 pA

1.6 mA

1

800 pA

2.9 V

6.5 V

-40 °C (-40 °F)

125 °C (257 °F)

0.118 in (3 mm)

0.118 in (3 mm)

0.043 in (1.1 mm)

8

0.026 in (0.65 mm)

Dual

Gull Wing

Plastic/Epoxy

Yes

Automotive

AEC-Q100; TS 16949

S-PDSO-G8

Tape And Reel

TSSOP

Square

Small Outline, Thin Profile, Shrink Pitch

TSSOP8,.19

MCP6N16T-010E/MSVAO by Microchip Technology

MCP6N16T-010E/MSVAO

Microchip Technology

MCP6N16T-010E/MSVAO by Microchip Technology is an instrumentation amplifier with 22uV max input offset voltage, 103dB min CMRR, and 1.6mA max supply current. Ideal for automotive applications due to AEC-Q100 screening level and -40 to 125 °C operating temperature range.

Instrumentation Amplifier

CMOS

1

Instrumentation Amplifiers

103 dB

22 µV

100 pA

1.6 mA

10

800 pA

2.9 V

6.5 V

-40 °C (-40 °F)

125 °C (257 °F)

0.118 in (3 mm)

0.118 in (3 mm)

0.043 in (1.1 mm)

8

0.026 in (0.65 mm)

Dual

Gull Wing

Plastic/Epoxy

Yes

Automotive

AEC-Q100; TS 16949

S-PDSO-G8

Tape And Reel

TSSOP

Square

Small Outline, Thin Profile, Shrink Pitch

TSSOP8,.19

MCP6N16T-100E/MSVAO by Microchip Technology

MCP6N16T-100E/MSVAO

Microchip Technology

INSTRUMENTATION AMPLIFIER; Temperature Grade: AUTOMOTIVE; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: TSSOP; Package Shape: SQUARE;

Instrumentation Amplifier

CMOS

1

Instrumentation Amplifiers

112 dB

17 µV

100 pA

1.6 mA

100

800 pA

2.9 V

6.5 V

-40 °C (-40 °F)

125 °C (257 °F)

0.118 in (3 mm)

0.118 in (3 mm)

0.043 in (1.1 mm)

8

0.026 in (0.65 mm)

Dual

Gull Wing

Plastic/Epoxy

Yes

Automotive

AEC-Q100; TS 16949

S-PDSO-G8

Tape And Reel

TSSOP

Square

Small Outline, Thin Profile, Shrink Pitch

TSSOP8,.19

INA848IDR by Texas Instruments

INA848IDR

Texas Instruments

INA848IDR by Texas Instruments is an instrumentation amplifier with 35uV max input offset voltage, 2.8MHz bandwidth, and 2000 min voltage gain. Ideal for automotive applications due to its -40 to 125°C operating temperature range and high common mode reject ratio of 132dB. Package style is small outline with dual terminal position.

Instrumentation Amplifier

1

Instrumentation Amplifiers

2.8 MHz

45 V/us

132 dB

35 µV

50 nA

50 nA

8.8 mA

2000

2000

2000

0.001 %

10 nA

15 V

20 V

-15 V

-20 V

-40 °C (-40 °F)

125 °C (257 °F)

30 s

260 °C (500 °F)

0.193 in (4.905 mm)

0.153 in (3.895 mm)

0.069 in (1.75 mm)

8

0.05 in (1.27 mm)

Dual

Gull Wing

Nickel Palladium Gold

Plastic/Epoxy

Yes

2

Automotive

R-PDSO-G8

e4

Tape And Reel

SOP

Rectangular

Small Outline

SOP8,.25

INA848ID by Texas Instruments

INA848ID

Texas Instruments

The Texas Instruments INA848ID is an instrumentation amplifier with a max input offset voltage of 35uV, ideal for automotive applications. It features a nominal voltage of 15V and a bandwidth of 2.8MHz, making it suitable for precision signal conditioning in harsh environments. With a compact rectangular package style and surface mount capability, it offers high performance in a small form factor.

Instrumentation Amplifier

1

Instrumentation Amplifiers

2.8 MHz

45 V/us

132 dB

35 µV

50 nA

50 nA

8.8 mA

2000

2000

2000

0.001 %

10 nA

15 V

20 V

-15 V

-20 V

-40 °C (-40 °F)

125 °C (257 °F)

30 s

260 °C (500 °F)

0.193 in (4.905 mm)

0.153 in (3.895 mm)

0.069 in (1.75 mm)

8

0.05 in (1.27 mm)

Dual

Gull Wing

Nickel Palladium Gold

Plastic/Epoxy

Yes

2

Automotive

R-PDSO-G8

e4

SOP

Rectangular

Small Outline

SOP8,.25

AD8422ACPZ-RL by Analog Devices

AD8422ACPZ-RL

Analog Devices

INSTRUMENTATION AMPLIFIER; Peak Reflow Temperature (C): 260; Moisture Sensitivity Level (MSL): 3; Packing Method: TR; Maximum Time At Peak Reflow Temperature (s): 30;

Instrumentation Amplifier

Instrumentation Amplifiers

30 s

260 °C (500 °F)

3

Tape And Reel

ADA4255ACPZ by Analog Devices

ADA4255ACPZ

Analog Devices

ADA4255ACPZ by Analog Devices is an instrumentation amplifier with 14uV max input offset voltage, 0.014uA max average bias current, and 1.8MHz nominal bandwidth. Ideal for precision signal conditioning in medical devices, industrial automation, and test equipment applications.

Instrumentation Amplifier

1

1.8 MHz

3.1 V/us

87 dB

14 µV

14 nA

16.75 mA

0.0625

0.125

128

0.0015 %

1.3 nA

5 V

5.5 V

-40 °C (-40 °F)

105 °C (221 °F)

0.197 in (5 mm)

0.197 in (5 mm)

0.039 in (1 mm)

28

0.02 in (0.5 mm)

Quad

No Lead

Yes

S-XQCC-N28

HVQCCN

Square

Chip Carrier, Heat Sink/Slug, Very Thin Profile

LCC28,.2SQ,20

ADA4255ACPZ-RL by Analog Devices

ADA4255ACPZ-RL

Analog Devices

ADA4255ACPZ-RL by Analog Devices is an Instrumentation Amplifier with 14uV Max Input Offset Voltage, 0.014uA Max Average Bias Current, and 1.8MHz Nominal Bandwidth. Ideal for precision signal conditioning in medical devices, industrial automation, and test equipment due to its high accuracy and low power consumption.

Instrumentation Amplifier

1

1.8 MHz

3.1 V/us

87 dB

14 µV

14 nA

16.75 mA

0.0625

0.125

128

0.0015 %

1.3 nA

5 V

5.5 V

-40 °C (-40 °F)

105 °C (221 °F)

0.197 in (5 mm)

0.197 in (5 mm)

0.039 in (1 mm)

28

0.02 in (0.5 mm)

Quad

No Lead

Yes

S-XQCC-N28

Tape And Reel

HVQCCN

Square

Chip Carrier, Heat Sink/Slug, Very Thin Profile

LCC28,.2SQ,20

INA849DGKT by Texas Instruments

INA849DGKT

Texas Instruments

Texas Instruments' INA849DGKT is an instrumentation amplifier with 35uV max input offset voltage, 28MHz nominal bandwidth, and 10000 max voltage gain. Ideal for precision signal processing in applications requiring high accuracy and low noise such as medical devices or industrial automation systems.

Instrumentation Amplifier

1

Instrumentation Amplifiers

28 MHz

35 V/us

120 dB

35 µV

20 nA

20 nA

8.9 mA

1

10

10000

0.001 %

6 nA

15 V

20 V

-15 V

-20 V

-40 °C (-40 °F)

125 °C (257 °F)

30 s

260 °C (500 °F)

0.118 in (3 mm)

0.118 in (3 mm)

0.043 in (1.1 mm)

8

0.026 in (0.65 mm)

Dual

Gull Wing

Nickel Palladium Gold

Plastic/Epoxy

Yes

2

S-PDSO-G8

e4

Tape And Reel

TSSOP

Square

Small Outline, Thin Profile, Shrink Pitch

TSSOP8,.25