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Product Detailed Parameters
- Description：IC INST AMP 1 CIRCUIT 16SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Amplifier Type：Instrumentation
- Number of Circuits：1
- Output Type：-
- Slew Rate：17V/µs
- Gain Bandwidth Product：-
- Current - Input Bias：2 pA
- Voltage - Input Offset：200 µV
- Current - Supply：3.3mA
- Current - Output / Channel：30 mA
- Voltage - Supply Span (Min)：12 V
- Voltage - Supply Span (Max)：36 V
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：16-SOIC
- -3db Bandwidth：2 MHz
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Overview
The INA111AU/1KE4 is a high-speed FET-input instrumentation amplifier manufactured by Texas Instruments. It features a single channel with a 3dB bandwidth of 2 MHz and a slew rate of 17 V/us. The device offers a common-mode rejection ratio (CMRR) of 106 dB, an input bias current of 20 pA, and an input offset voltage of 500 uV. It operates on a power supply ranging from 12 V to 36 V, with a maximum supply voltage of 36 V. The quiescent current is 3.3 mA. It supports surface mount installation in a SOIC-16 package and functions within a temperature range of -40 C to +85 C.
Feature Summary
- High-speed FET-input architecture for precision signal conditioning
- Low input bias current and low offset voltage characteristics
- Wide common-mode rejection capability
Applications
- Precision data acquisition systems
- Medical equipment signal processing
- Industrial process control instrumentation
Procurement Notes
Verify the specific suffix '1KE4' against official Texas Instruments documentation to confirm reel quantity and tape specifications. Ensure the ordering part number matches the required package variant and temperature grade. Cross-reference the manufacturer's latest datasheet revision to validate all electrical parameters before integration into design specifications.
Selection Notes
Select this component when high-speed performance combined with low input bias current is required. The 2 MHz bandwidth suits applications needing faster response times than standard instrumentation amplifiers. Verify that the 12 V minimum supply voltage aligns with system power constraints. Consider the SOIC-16 package dimensions for PCB layout compatibility.
Part Context
The INA111 belongs to Texas Instruments' family of instrumentation amplifiers designed for high-performance analog signal processing. This series typically integrates precision resistors and FET input stages to achieve high CMRR and low noise. The AU designation indicates commercial temperature range operation, while the specific suffix defines packaging details.
Replacement Considerations
Consult official substitution guides for compatible parts within the INA111 series or equivalent high-speed FET-input instrumentation amplifiers. Verify pinout compatibility and electrical parameter overlaps before replacing.
