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Product Detailed Parameters
- Description：IC INST AMP 2 CIRCUIT 16SSOP
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Amplifier Type：Instrumentation
- Number of Circuits：2
- Output Type：-
- Slew Rate：0.4V/µs
- Gain Bandwidth Product：-
- Current - Input Bias：10 nA
- Voltage - Input Offset：50 µV
- Current - Supply：175µA (x2 Channels)
- Current - Output / Channel：10 mA
- Voltage - Supply Span (Min)：2.7 V
- Voltage - Supply Span (Max)：36 V
- Operating Temperature：-55°C ~ 125°C (TA)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：16-SSOP (0.154", 3.90mm Width)
- Supplier Device Package：16-SSOP
- -3db Bandwidth：200 kHz
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Overview
The INA2126EA/250G4 is a dual-channel micropower instrumentation amplifier manufactured by Texas Instruments. It features a gain bandwidth product of 200 kHz and a slew rate of 0.4 V/us. The device operates on a single supply voltage ranging from 2.7V to 36V, or dual supplies from ±1.35V to ±18V. Key electrical specifications include an input bias current of 25 nA, an input offset voltage of 50 µV, and a common-mode rejection ratio of 83 dB. The unit consumes 175 µA of operating supply current per channel. It is housed in a 16-lead SSOP package with a wide operating temperature range.
Feature Summary
- Micropower consumption design suitable for battery-operated applications
- High precision performance with low input offset voltage and bias current
- Wide single or dual power supply operation capability
- Integrated internal gain setting resistors for simplified circuit design
Applications
- Portable medical instrumentation systems
- Industrial process control signal conditioning
- Battery-powered measurement devices
- Strain gauge and transducer interfaces
Procurement Notes
Verify the G4 suffix indicates lead-free and RoHS compliance status as per manufacturer documentation. Confirm the /250 designation corresponds to the specific reel quantity or packaging variant required for your assembly line. Ensure the SSOP-16 package dimensions match your PCB footprint constraints. Cross-reference the datasheet revision date to ensure compatibility with your design specifications.
Selection Notes
Select this component when low power consumption is critical alongside moderate precision requirements. The fixed internal gain options simplify layout compared to external resistor networks. Consider the 200 kHz bandwidth limit for high-speed applications. Evaluate the 83 dB CMRR against system noise floors. The SSOP package requires surface mount assembly capabilities.
Part Context
This part belongs to the INA2126 family of micropower instrumentation amplifiers. It offers dual channels in a compact package, distinguishing it from single-channel variants like the INA126. The G4 suffix typically denotes environmental compliance (lead-free/RoHS). It serves as a cost-effective solution for general-purpose analog signal conditioning where power efficiency is prioritized over ultra-high precision.
Replacement Considerations
INA2126EA/2K5: Different packaging quantity variant. INA2126E/250: Same functional specifications, verify pinout and package compatibility. INA2126UG4: Tube packaged version of the same die.
