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Product Detailed Parameters
- Description：IC OPAMP ZER-DRIFT 1CIRC 8VSSOP
- Series：Zero-Drift
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Amplifier Type：Zero-Drift
- Number of Circuits：1
- Output Type：Rail-to-Rail
- Slew Rate：0.16V/µs
- Gain Bandwidth Product：-
- Current - Input Bias：70 pA
- Voltage - Input Offset：10 µV
- Current - Supply：50µA
- Current - Output / Channel：40 mA
- Voltage - Supply Span (Min)：1.8 V
- Voltage - Supply Span (Max)：5.5 V
- Operating Temperature：-40°C ~ 125°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：8-VSSOP
- -3db Bandwidth：150 kHz
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Overview
The INA317IDGKT is a micro-power, zero-drift instrumentation amplifier from Texas Instruments. It features a maximum offset voltage of 75 µV and a drift of 0.3 µV/°C at gains greater than or equal to 100. The device offers low noise of 50 nV/√Hz and high common-mode rejection ratio (CMRR) of 100 dB minimum at gains greater than or equal to 10. Input bias current is limited to 200 pA maximum. It operates on a supply range of 1.8 V to 5.5 V with input voltage capability from (V–) 0.1 V to (V+) –0.1 V. The output swings rail-to-rail within 0.05 V of the rails. Quiescent current is 50 µA, and it functions within an operating temperature range of –40°C to +125°C.
Feature Summary
- Zero-drift architecture ensures low offset voltage and minimal drift over temperature for high precision.
- Micro-power consumption with 50 µA quiescent current suitable for battery-operated systems.
- Rail-to-rail output capability maximizes dynamic range in single-supply applications.
Applications
- Precision sensor signal conditioning
- Medical instrumentation
- Industrial process control
Procurement Notes
Verify the specific package variant IDGKT against design requirements. Confirm pinout compatibility and thermal performance for the intended PCB layout. Ensure supply voltage and input common-mode ranges align with system specifications before integration.
Selection Notes
Select this component when ultra-low drift and micro-power operation are critical. Compare offset voltage and CMRR requirements against other instrumentation amplifiers. Consider the VSSOP-8 package constraints for space-limited designs.
Part Context
The INA317 belongs to Texas Instruments' family of zero-drift instrumentation amplifiers. It is designed for applications requiring high accuracy and stability over temperature variations. The IDGKT suffix indicates a tape-and-reel packaging format for automated assembly.
Replacement Considerations
Check datasheets for alternative models like INA333 or INA326 for similar performance characteristics. Verify pin compatibility and electrical parameters such as gain bandwidth and power supply requirements before substitution.
