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Product Detailed Parameters
- Description：IC INST AMP 1 CIRCUIT 8SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Amplifier Type：Instrumentation
- Number of Circuits：1
- Output Type：-
- Slew Rate：4V/µs
- Gain Bandwidth Product：-
- Current - Input Bias：2 nA
- Voltage - Input Offset：10 µV
- Current - Supply：700µA
- Current - Output / Channel：15 mA
- Voltage - Supply Span (Min)：4.5 V
- Voltage - Supply Span (Max)：36 V
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- -3db Bandwidth：1.3 MHz
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Overview
The INA128U/2K5G4 is a precision, low-power instrumentation amplifier manufactured by Texas Instruments. It features a single channel in an 8-SOIC surface-mount package. Key electrical specifications include a supply current of 700 µA, a gain-bandwidth product of 1.3 MHz, and a slew rate of 4 V/µs. The device operates within a temperature range of -40°C to +85°C and supports supply voltages from 4.5 V to 36 V. It offers high common-mode rejection and low input bias current for accurate signal conditioning.
Feature Summary
- Precision instrumentation amplifier with high common-mode rejection ratio
- Low power consumption suitable for battery-operated applications
- Single-channel design in compact surface-mount packaging
Applications
- Strain gauge and bridge sensor interfaces
- Medical equipment signal conditioning
- Industrial process control systems
- Data acquisition systems requiring high accuracy
Procurement Notes
Verify the specific suffix G4 indicates lead-free compliance and RoHS status according to the manufacturer's latest documentation. Confirm the reel quantity and moisture sensitivity level prior to ordering. Ensure the SOIC-8 footprint matches the target PCB layout requirements.
Selection Notes
Select this component when high precision and low power are required in a single-channel configuration. Compare input offset voltage and drift against application needs. Consider the gain bandwidth product for frequency response requirements relative to other instrumentation amplifiers in the portfolio.
Part Context
This part belongs to the INA12x series of instrumentation amplifiers from Texas Instruments. The series is known for providing high performance in a cost-effective package. The U suffix denotes the SOIC-8 surface-mount package variant. The /2K5 indicates tape and reel packaging for automated assembly processes.
Replacement Considerations
Official substitutes within the same family include the INA128UA for extended temperature ranges. Verify pin compatibility and electrical parameter overlaps before substitution. Consult the manufacturer's replacement guide for validated alternatives.
