Manufacturer Part Number
INA181A4QDBVRQ1
Manufacturer
Texas Instruments
Introduction
High-precision, low-noise current sense amplifier with precision reference
Product Features and Performance
High open-loop gain of 105 dB
Low input offset voltage of 100 μV
Wide supply voltage range of 2.7 V to 5.5 V
Low supply current of 195 μA
Wide common-mode voltage range of 0 V to 5.5 V
High common-mode rejection ratio (CMRR) of 110 dB
Low noise of 5 nV/√Hz
Fast slew rate of 2 V/μs
Wide operating temperature range of -40°C to 125°C
Product Advantages
Excellent precision and accuracy for current sensing applications
Suitable for a wide range of power supply voltages
Low power consumption for energy-efficient designs
Robust performance across a wide temperature range
Key Technical Parameters
Gain Bandwidth Product: 105 kHz
Voltage Supply Span (Min/Max): 2.7 V to 5.5 V
Current Supply: 195 μA
Slew Rate: 2 V/μs
Voltage Input Offset: 100 μV
Amplifier Type: Current Sense
Current Output / Channel: 8 mA
Current Input Bias: 75 μA
Quality and Safety Features
RoHS3 compliant
Automotive-grade, AEC-Q100 qualified
Compatibility
Surface mount package: SOT-23-6
Tape and reel (TR) packaging
Application Areas
Current sensing in power supplies, motor drives, and industrial control systems
Precision current measurement in automotive, industrial, and consumer electronics
Product Lifecycle
This product is actively supported and available for purchase.
Replacements or upgrades may be available in the future.
Key Reasons to Choose This Product
Excellent precision and accuracy for critical current sensing applications
Wide operating voltage and temperature range for versatile use
Low power consumption for energy-efficient designs
Robust automotive-grade quality and reliability