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Product Detailed Parameters
- Description：IC CURRENT SENSE 2 CIRCUIT 8WSON
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Amplifier Type：Current Sense
- Number of Circuits：2
- Output Type：Rail-to-Rail
- Slew Rate：2V/µs
- Gain Bandwidth Product：-
- Current - Input Bias：80 µA
- Voltage - Input Offset：100 µV
- Current - Supply：355µA
- 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：8-WFDFN Exposed Pad
- Supplier Device Package：8-WSON (2x2)
- -3db Bandwidth：350 kHz
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Overview
The INA2180A1IDSGR is a dual-channel current-sense amplifier from Texas Instruments. It operates with a supply voltage range of 2.7 V to 5.5 V and supports common-mode voltages up to 26 V. The device features a fixed gain of 20 V/V, a bandwidth of 350 kHz, and an offset voltage maximum of ±150 µV at zero common-mode voltage. It draws a maximum quiescent current of 500 µA and is housed in an 8-pin WSON package.
Feature Summary
- Supports high-side and low-side sensing with common-mode input ranges extending to 26 V
- Integrates a matched resistor network for precise gain accuracy and reduced temperature drift
- Provides high bandwidth and fast slew rate for rapid detection of current changes
Applications
- Motor control systems
- Battery monitoring circuits
- Power management units
- Overcurrent detection protection
Procurement Notes
Verify the specific suffix IDSGR corresponds to the 8-pin WSON package variant when sourcing. Confirm that the A1 designation matches the required 20 V/V gain setting for your circuit design. Ensure compatibility with the specified operating temperature range of -40°C to +125°C during component selection.
Selection Notes
Select this component for applications requiring simultaneous dual-channel current monitoring within a compact footprint. The integrated gain network simplifies design by eliminating external precision resistors. Consider the 26 V common-mode limit and 5.5 V supply ceiling to ensure proper operation within system constraints.
Part Context
This part belongs to the INAx180 family of cost-optimized current-sense amplifiers. The family includes single-channel (INA180), dual-channel (INA2180), and quad-channel (INA4180) variants. All share similar electrical characteristics but differ in channel count and package options to suit various integration needs.
Replacement Considerations
Compatible substitutes include other devices from the INA2180 series with different gain options or packages, such as INA2180A2IDSGR or INA2180A1DGKR. Verify pinout compatibility and thermal performance when substituting.
