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INA4181A1IPWR is listed in the Instrumentation, Op Amps, Buffer Amps range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC CURR SENSE 4 CIRCUIT 20TSSOP. Review the specifications below when checking this part for your BOM.
Instrumentation, Op Amps, Buffer Amps specifications for INA4181A1IPWR
- Description：IC CURR SENSE 4 CIRCUIT 20TSSOP
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Amplifier Type：Current Sense
- Number of Circuits：4
- Output Type：Rail-to-Rail
- Slew Rate：2V/µs
- Gain Bandwidth Product：-
- Current - Input Bias：75 µA
- Voltage - Input Offset：100 µV
- Current - Supply：690µA
- Current - Output / Channel：-
- Voltage - Supply Span (Min)：2.7 V
- Voltage - Supply Span (Max)：5.5 V
- Operating Temperature：-40°C ~ 125°C (TA)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：20-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：20-TSSOP
- -3db Bandwidth：350 kHz
Instrumentation, Op Amps, Buffer Amps datasheet and documents for INA4181A1IPWR
Instrumentation, Op Amps, Buffer Amps Overview
The INA4181A1IPWR is a quad-channel bidirectional current sense amplifier manufactured by Texas Instruments. It operates within a supply voltage range of 2.7 V to 5.5 V and supports common-mode voltages up to 12 V. The device features a gain bandwidth product of 350 kHz, an input offset voltage of 100 µV, and a fixed gain of 20 V/V. Packaged in a 20-TSSOP format, it draws 900 µA of operating current and functions reliably across temperatures from -40°C to +125°C.
Instrumentation, Op Amps, Buffer Amps Feature Summary
- Quad-channel architecture for multi-rail monitoring
- Bidirectional sensing capability for high and low side applications
- High common-mode voltage tolerance up to 12 V
Instrumentation, Op Amps, Buffer Amps Applications
- Multi-rail power distribution unit monitoring
- Battery management system current tracking
- Industrial process control loop feedback
Instrumentation, Op Amps, Buffer Amps Procurement Notes
Verify the specific suffix 'A1' against official datasheets to confirm gain accuracy and temperature specifications. Ensure the TSSOP-20 package matches the target PCB footprint. Confirm RoHS compliance status with the manufacturer before finalizing procurement orders.
Instrumentation, Op Amps, Buffer Amps Selection Notes
Select this component when four independent current channels are required within a single integrated circuit. The 20 V/V gain suits applications requiring moderate signal amplification without external resistors. Consider the 350 kHz bandwidth limit for high-speed switching environments.
Instrumentation, Op Amps, Buffer Amps Part Context
This part belongs to the INA4181 series of current sense amplifiers. It provides a compact solution for systems needing multiple current measurements. The quad configuration reduces board space compared to discrete single-channel alternatives.
Instrumentation, Op Amps, Buffer Amps FAQ
Is the INA4181A1IPWR suitable for high-side current sensing?
Yes, the device supports both high-side and low-side bidirectional current sensing configurations.
What is the maximum common-mode voltage supported?
The amplifier supports common-mode voltages up to 12 V.
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