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Product Detailed Parameters
- Description：AEC-Q100, -5V TO 110V, BIDIRECTI
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- 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：Automotive
- Qualification：AEC-Q100
- Mounting Type：Surface Mount
- Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：10-VSSOP
- -3db Bandwidth：1.1 MHz
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Overview
The INA296B2QDGSRQ1 is a bidirectional current-sense amplifier from Texas Instruments, designed for high-precision measurements in automotive and industrial environments. It operates with a wide common-mode voltage range of -5V to 110V, independent of supply voltage. The device features a fixed gain of 20V/V, a 1.1MHz bandwidth, and an input offset voltage of ±150µV. It is qualified under AEC-Q100 standards and housed in an 8-pin VSSOP package.
Feature Summary
- Supports bidirectional current sensing across a wide common-mode voltage range of -5V to 110V
- Provides high accuracy with low input offset voltage and minimal gain error
- Features a 1.1MHz signal bandwidth for fast transient detection and protection applications
Applications
- Automotive battery management systems
- High-side current monitoring in power distribution units
- Motor control and drive circuits
- Industrial process automation equipment
Procurement Notes
Verify the specific suffix 'DGSR' corresponds to the VSSOP-8 package and tape-and-reel quantity as defined in the official datasheet. Confirm AEC-Q100 qualification status and operating temperature range requirements match your design specifications before finalizing procurement orders.
Selection Notes
Select this component when a fixed 20V/V gain is required for bidirectional sensing within a 110V common-mode window. Consider the ±150µV offset voltage specification against your minimum detectable current needs. Ensure the VSSOP-8 footprint aligns with your PCB layout constraints and thermal management strategy.
Part Context
This part belongs to the INA296-Q1 family of ultra-precise, bidirectional current-sense amplifiers. The series offers multiple gain options (10V/V to 200V/V) and versions (A and B grades) to balance precision and cost. The B-grade variant provides standard precision suitable for general automotive and industrial applications.
Replacement Considerations
Compatible substitutes include other INA296-Q1 variants with different gains or packages, such as INA296B4QDRQ1 or INA296A3QDGSRQ1, provided the gain and package dimensions are compatible with the existing design.
