INA117P
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Texas Instruments INA117P

Manufacturer No:
INA117P
Manufacturer:
Texas Instruments
Package:
Tube
Description:
IC OPAMP DIFF 1 CIRCUIT 8DIP
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Payment:
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Product Introduction

Overview

The INA117P, produced by Texas Instruments, is a precision unity-gain difference amplifier designed to accurately measure small differential voltages in the presence of high common-mode signals. This single monolithic IC integrates a precision op amp and a thin-film resistor network, enabling it to handle common-mode input voltages up to ±200V. The device is particularly useful in applications where galvanic isolation is not essential, allowing it to replace isolation amplifiers and eliminate the need for costly isolated power supplies. The INA117P is available in 8-pin plastic mini-DIP and SO-8 surface-mount packages, with an operating temperature range of –40°C to 85°C.

Key Specifications

Parameter Value Unit
Common-mode input range ±200V (VS = ±15V) V
Protected inputs (Common-mode/Differential) ±500V V
Unity gain error 0.05% maximum %
Nonlinearity 0.001% maximum %
CMRR (Common-mode rejection ratio) 70dB minimum dB
Bandwidth, –3dB 200kHz kHz
Slew rate 1.7 to 2.6 V/μs V/μs
Output impedance 0.01 Ω Ω
Quiescent current 1.5 ± 2 mA mA
Operating temperature range –40°C to 85°C °C
Package types 8-pin PDIP, 8-pin SOIC

Key Features

  • High common-mode input voltage range up to ±200V
  • Protected inputs against momentary common-mode or differential overloads up to ±500V
  • Unity gain with a maximum error of 0.05%
  • Low nonlinearity of 0.001% maximum
  • High CMRR of 70dB minimum
  • Bandwidth of 200kHz and slew rate of 1.7 to 2.6 V/μs
  • Low output impedance of 0.01 Ω
  • Compact 8-pin packaging in both DIP and SOIC formats

Applications

  • Single multi-axis servo drives
  • Industrial machines and machine tools
  • Semiconductor test and Automated Test Equipment (ATE)
  • Ultrasound scanners
  • Current sensing and measurement in various industrial and medical devices

Q & A

  1. What is the common-mode input voltage range of the INA117P?

    The INA117P can handle common-mode input voltages up to ±200V (VS = ±15V).

  2. What is the maximum gain error of the INA117P?

    The maximum gain error is 0.05%.

  3. What is the nonlinearity of the INA117P?

    The nonlinearity is 0.001% maximum.

  4. What is the CMRR of the INA117P?

    The CMRR is 70dB minimum.

  5. What are the package options for the INA117P?

    The INA117P is available in 8-pin plastic mini-DIP and SO-8 surface-mount packages.

  6. What is the operating temperature range of the INA117P?

    The operating temperature range is –40°C to 85°C.

  7. Can the INA117P replace isolation amplifiers in some applications?
  8. How does the INA117P handle noise performance?

    The noise performance is dominated by the internal resistor network, with approximately 550nV/√Hz noise. Noise can be reduced with a low-pass filter on the output.

  9. What are some common applications of the INA117P?
  10. How can the INA117P be used for current measurement?

Product Attributes

Amplifier Type:Differential
Number of Circuits:1
Output Type:- 
Slew Rate:2.6V/µs
Gain Bandwidth Product:- 
-3db Bandwidth:200 kHz
Current - Input Bias:- 
Voltage - Input Offset:120 µV
Current - Supply:1.5mA
Current - Output / Channel:20 mA
Voltage - Supply Span (Min):10 V
Voltage - Supply Span (Max):36 V
Operating Temperature:-40°C ~ 85°C
Mounting Type:Through Hole
Package / Case:8-DIP (0.300", 7.62mm)
Supplier Device Package:8-PDIP
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Similar Products

Part Number INA117P INA118P
Manufacturer Texas Instruments Texas Instruments
Product Status Active Active
Amplifier Type Differential Instrumentation
Number of Circuits 1 1
Output Type - -
Slew Rate 2.6V/µs 0.9V/µs
Gain Bandwidth Product - -
-3db Bandwidth 200 kHz 800 kHz
Current - Input Bias - 1 nA
Voltage - Input Offset 120 µV 25 µV
Current - Supply 1.5mA 350µA
Current - Output / Channel 20 mA 12 mA
Voltage - Supply Span (Min) 10 V 2.7 V
Voltage - Supply Span (Max) 36 V 36 V
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C
Mounting Type Through Hole Through Hole
Package / Case 8-DIP (0.300", 7.62mm) 8-DIP (0.300", 7.62mm)
Supplier Device Package 8-PDIP 8-PDIP

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