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Product Detailed Parameters
- Description：IC CURR SENSE 2 CIRCUIT 8VSSOP
- 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-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：8-VSSOP
- -3db Bandwidth：105 kHz
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Overview
The INA2180A4IDGKR is a dual-channel current-sense amplifier manufactured by Texas Instruments. It features a fixed gain of 200 V/V and operates within a supply voltage range of 2.7 V to 5.5 V. The device supports a common-mode voltage range from -0.2 V to +26 V, enabling high-side or low-side sensing. Key electrical specifications include a bandwidth of 105 kHz, a slew rate of 2 V/µs, and a maximum quiescent current of 355 µA per channel. It provides a CMRR of 100 dB and an input offset voltage ranging from 25 µV to 100 µV. The component is housed in an 8-VSSOP package and is rated for operation between -40°C and +125°C.
Feature Summary
- Dual-channel architecture with fixed 200 V/V gain for simultaneous multi-rail monitoring
- Wide common-mode voltage range supporting -0.2 V to +26 V operation
- Rail-to-rail output capability ensuring full signal swing utilization
- AEC-Q100 qualified for automotive reliability standards
Applications
- Automotive battery management systems (BMS)
- Motor control current monitoring
- On-board charger (OBC) circuits
- ECU power management and overcurrent protection
Procurement Notes
Verify the specific suffix 'A4' indicates the quad-gain configuration variant within the INA2180 family. Confirm the package marking matches the 8-VSSOP specification. Ensure the source document explicitly states AEC-Q100 qualification status for this exact part number before procurement.
Selection Notes
Select this component when dual-channel sensing is required within a single package footprint. The fixed 200 V/V gain simplifies resistor network design compared to adjustable gain amplifiers. Verify that the 105 kHz bandwidth meets the dynamic response requirements of the target application circuit.
Part Context
This device belongs to the INA2180 series of precision current-sense amplifiers. It shares the core topology with the INA2180A1 but differs in gain configuration. The series is designed for cost-optimized industrial and automotive applications requiring reliable current monitoring in space-constrained environments.
Replacement Considerations
The INA2180A1IDGKR is a functional substitute within the same series, offering identical pinout and package dimensions. Verify that the gain difference does not impact the system's signal conditioning requirements.
