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Product Detailed Parameters
- Description：IC INST AMP 1 CIRCUIT 8DIP
- Series：-
- Mfr：Texas Instruments
- Package：Tube
- Amplifier Type：Instrumentation
- Number of Circuits：1
- Output Type：-
- Slew Rate：0.4V/µs
- Gain Bandwidth Product：-
- Current - Input Bias：10 nA
- Voltage - Input Offset：150 µV
- Current - Supply：175µA
- Current - Output / Channel：10 mA
- Voltage - Supply Span (Min)：2.7 V
- Voltage - Supply Span (Max)：36 V
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Mounting Type：Through Hole
- Package / Case：8-DIP (0.300", 7.62mm)
- Supplier Device Package：8-PDIP
- -3db Bandwidth：200 kHz
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Overview
The INA126PA is a micropower instrumentation amplifier manufactured by Texas Instruments, housed in a 16-pin PDIP package for through-hole mounting. It supports dual or single power supplies with typical voltages including ±15V, 12V, 15V, 18V, 24V, 28V, 3V, 5V, and 9V. Key electrical specifications include a maximum input offset voltage of 0.5mV, a minimum common-mode rejection ratio (CMRR) of 74dB, and a maximum supply current of 0.4mA. The device features a maximum input resistance of 1GΩ and operates within a temperature range of -40°C to +85°C.
Feature Summary
- Micropower consumption design suitable for battery-operated applications
- Low input offset voltage ensuring high precision signal amplification
- High common-mode rejection ratio for effective noise suppression
- Wide single or dual supply voltage operation flexibility
Applications
- Precision data acquisition systems
- Strain gauge and bridge sensor interfaces
- Medical equipment signal conditioning
- Industrial process control instrumentation
Procurement Notes
Verify the specific suffix 'PA' corresponds to the 16-pin PDIP package when ordering. Confirm that the required CMRR and offset voltage meet the application's precision needs, as these values represent maximum limits. Ensure the PCB footprint matches the 16-pin DIP dimensions provided in the datasheet. Check for RoHS compliance status if environmental regulations apply to the final product assembly.
Selection Notes
Select the INA126PA when low power consumption is critical alongside moderate precision requirements. Compare against the INA128 or INA129 if higher CMRR or lower offset voltage is necessary. Consider surface mount packages like the INA126U if board space is limited. Evaluate the gain setting resistor requirements, as external components determine the overall amplification factor.
Part Context
The INA126 belongs to Texas Instruments' family of micropower instrumentation amplifiers designed for general-purpose analog signal conditioning. It offers a cost-effective solution for applications requiring low power and reasonable accuracy. The PA suffix denotes the plastic dual in-line package, distinguishing it from ceramic or surface-mount variants within the same functional family.
Replacement Considerations
INA128PA: Offers improved CMRR and lower offset voltage but may have different pinout or power characteristics. INA129PA: Provides even higher precision and lower noise. Verify pin compatibility and thermal performance before substituting.
