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Product Detailed Parameters
- Description：-5-V TO 110-V, BIDIRECTIONAL, 1.
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Amplifier Type：Current Sense
- Number of Circuits：1
- Output Type：Single-Ended
- Slew Rate：8V/µs
- Gain Bandwidth Product：-
- Current - Input Bias：35 µA
- Voltage - Input Offset：25 µV
- Current - Supply：2.5mA
- Current - Output / Channel：-
- Voltage - Supply Span (Min)：2.7 V
- Voltage - Supply Span (Max)：20 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：1.1 MHz
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Overview
The INA296B5IDGKR is a bidirectional current sense amplifier from the Texas Instruments INA296x family, housed in an 8-pin VSSOP package. It features a fixed gain of 200V/V and supports a common-mode voltage range from -5V to 110V. The device operates on a single supply voltage between 2.7V and 20V with a typical quiescent current of 2.5mA. Key electrical specifications include a maximum gain error of ±0.1%, a maximum input offset voltage of ±150µV, and a bandwidth of 1.1MHz at all gains.
Feature Summary
- Supports bidirectional operation for measuring current flow in both directions across a shunt resistor.
- Provides high precision measurement capabilities through low offset voltage and low drift characteristics.
- Features a wide common-mode voltage range that extends beyond the device supply voltage limits.
Applications
- 48V DC/DC Converter
- 48V battery management systems (BMS)
- Test & Measurement
- Macro remote radio unit (RRU)
- 48V rack server
Procurement Notes
Verify the specific suffix 'DGKR' corresponds to the VSSOP-8 package and tape-and-reel packaging configuration. Confirm the 'B5' designation matches the required 200V/V gain and B-version accuracy specifications. Ensure compatibility with the target operating temperature range of -40°C to +125°C.
Selection Notes
Select this component when a fixed 200V/V gain is necessary for high-resolution sensing of small differential voltages. The B-version offers a maximum gain error of ±0.1% and offset voltage of ±150µV, suitable for applications requiring moderate precision without the tighter tolerances of the A-version. Consider the 1.1MHz bandwidth for transient detection requirements.
Part Context
This part belongs to the INA296x series of ultra-precise, bidirectional current sense amplifiers. The series includes variants with different gain options (10V/V to 200V/V) and accuracy grades (A and B versions). The INA296x architecture utilizes a zero-drift topology to maintain performance across wide common-mode ranges and temperatures.
Replacement Considerations
Other members of the INA296x family such as INA296A5 or INA296B1-B4 offer different gain or accuracy levels. For pin-compatible alternatives with different gain settings, consider INA296B1 through INA296B4. Verify package compatibility if substituting with other TI current sense amplifiers.
