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Product Detailed Parameters
- Description：IC INST AMP 1 CIRCUIT 14SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Amplifier Type：Instrumentation
- Number of Circuits：1
- Output Type：-
- Slew Rate：15V/µs
- Gain Bandwidth Product：-
- Current - Input Bias：2 µA
- Voltage - Input Offset：50 µV
- Current - Supply：10mA
- Current - Output / Channel：60 mA
- Voltage - Supply Span (Min)：9 V
- Voltage - Supply Span (Max)：36 V
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：14-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：14-SOIC
- -3db Bandwidth：800 kHz
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Overview
The INA163UA/2K5 is a monolithic instrumentation amplifier from Texas Instruments featuring current-feedback circuitry for wide bandwidth. It offers low noise of 1nV/√Hz at 1kHz and low distortion (0.002% THD+N at G=100). The device operates on a wide supply range of ±4.5V to ±18V, with a gain-bandwidth product of 800kHz at G=100 and a maximum offset voltage of 250µV.
Feature Summary
- Monolithic construction utilizing current-feedback architecture
- Ultra-low noise performance specified at 1nV/√Hz
- High linearity with total harmonic distortion plus noise of 0.002%
- Wide single or dual supply voltage operation capability
Applications
- Precision signal conditioning in measurement systems
- Low-noise amplification for sensor interfaces
- Audio processing circuits requiring high fidelity
- Medical instrumentation front-ends
Procurement Notes
Verify the specific suffix '2K5' indicates tape-and-reel packaging when ordering. Confirm the manufacturer is Texas Instruments to ensure authenticity. Check the datasheet for the exact pinout and thermal characteristics relevant to your PCB layout. Ensure supply voltages remain within the ±4.5V to ±18V range during operation.
Selection Notes
Select this component when low noise and wide bandwidth are critical simultaneously. The current-feedback topology supports higher slew rates compared to voltage-feedback alternatives. Consider the SOIC-14 package constraints for thermal management. Evaluate the 250µV offset voltage against system accuracy requirements.
Part Context
This part belongs to the INA163 family of instrumentation amplifiers. It is designed for applications demanding high precision and speed. The UA variant denotes the plastic small-outline package. The /2K5 suffix specifies the reel quantity for automated assembly processes.
Replacement Considerations
- INA163UA
FAQ
What is the input bias current specification?
The datasheet does not explicitly list the input bias current value for the INA163; it focuses on offset voltage and noise parameters.
Does the device support single-supply operation?
Yes, the wide supply range allows for single-supply configurations, provided the common-mode input range is respected relative to the supply rails.
