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Product Detailed Parameters
- Description：IC INST AMP 1 CIRCUIT 16SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tube
- 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 INA111AUG4 is a high-speed FET-input instrumentation amplifier from Texas Instruments. It features a 2 MHz bandwidth and a 17 V/us slew rate. The device offers a common-mode rejection ratio of 106 dB, an input bias current of 20 pA, and an input offset voltage of 500 uV. It operates on a power supply range of 12 V to 36 V with a quiescent current of 3.3 mA. The component supports operation between -40°C and +85°C and is available in surface-mount packages.
Feature Summary
- High-speed FET-input architecture for precision signal conditioning
- Low input bias current and low input offset voltage
- High common-mode rejection ratio
Applications
- Precision measurement systems
- Medical instrumentation
- Industrial process control
Procurement Notes
Verify the specific suffix 'G4' against the manufacturer's official documentation to confirm compliance details and package variations. Ensure the selected variant matches the required operating temperature range and pinout configuration for your design. Cross-reference the datasheet revision history for any updates to electrical characteristics or recommended operating conditions before finalizing procurement.
Selection Notes
Select this component when high-speed performance combined with low input bias current is required. The FET input stage minimizes loading effects on high-impedance sources. Verify that the 12 V minimum supply voltage aligns with system power constraints. Consider the 2 MHz bandwidth limit for signal frequency requirements. Ensure the package type fits the PCB layout constraints.
Part Context
The INA111 series belongs to Texas Instruments' lineup of instrumentation amplifiers designed for precision applications. These devices utilize a three-op amp topology to provide high input impedance and excellent common-mode rejection. The INA111 specifically targets applications requiring fast settling times and low noise, distinguishing it from lower-speed general-purpose instrumentation amplifiers in the portfolio.
Replacement Considerations
Consult the official datasheet for direct pin-to-pin replacements within the INA111 family. Verify compatibility of alternative part numbers regarding bandwidth, supply voltage range, and package dimensions. Ensure substitute components meet the same electrical specifications for input bias current and common-mode rejection ratio.
