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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：105 kHz
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Overview
The INA2180A4IDSGT is a dual-channel current-sense amplifier from Texas Instruments. It features a fixed gain of 200 V/V and operates with a supply voltage range of 2.7 V to 5.5 V. The device supports a common-mode input voltage range from -0.2 V to +26 V, independent of the supply voltage. Key electrical specifications include a maximum quiescent current of 500 µA, a bandwidth of 105 kHz, and an offset voltage of ±500 µV at a common-mode voltage of 12 V. It is housed in an 8-pin WSON package.
Feature Summary
- Integrates a matched resistor network for high accuracy and low temperature drift
- Supports both high-side and low-side sensing configurations
- Provides rail-to-rail output swing capability
Applications
- Motor control systems
- Battery monitoring circuits
- Power management units
- Overcurrent detection protection
Procurement Notes
Verify the specific suffix IDSGT corresponds to the 8-pin WSON package variant. Confirm the A4 designation ensures the required 200 V/V gain setting. Check the datasheet revision history for any recent manufacturing site or material changes that may affect compatibility.
Selection Notes
Select this component when dual-channel sensing is required within a 26 V common-mode window. The 200 V/V gain option suits applications demanding high resolution from small sense resistor voltage drops. Ensure the 105 kHz bandwidth meets the dynamic response requirements of the target circuit.
Part Context
This part belongs to the INAx180 family of cost-optimized current-sense amplifiers. The INA2180 variant specifically provides two independent channels in a compact footprint. It shares architectural similarities with the single-channel INA180 and quad-channel INA4180, offering scalable solutions for multi-rail monitoring.
Replacement Considerations
INA2180A4IDGKR (VSSOP-8 package)
FAQ
What is the maximum common-mode voltage supported by this device?
The INA2180A4IDSGT supports a common-mode voltage range from -0.2 V to +26 V.
Does the output swing reach the power rails?
Yes, the device features rail-to-rail output swing capabilities.
