Manufacturer Part Number
INA186A4IDDFR
Manufacturer
Texas Instruments
Introduction
The INA186A4IDDFR is a precision, zero-drift, current-sense amplifier from Texas Instruments. It is designed for high-accuracy current measurement applications.
Product Features and Performance
High Accuracy: Ultrahigh-precision, zero-drift amplifier with an input offset voltage of only 3 μV
Wide Supply Range: Operates from a single supply voltage of 1.7 V to 5.5 V
Fast Response: Slew rate of 0.3 V/μs
Low Noise: Input-referred noise of 1 μV p-p (0.1 Hz to 10 Hz)
Low Input Bias Current: 500 pA
Product Advantages
Excellent accuracy and stability over temperature and time
Wide operating voltage range for versatile applications
Fast response for dynamic current monitoring
Low noise and bias current for sensitive measurements
Small TSOT-23-8 package for compact design
Key Technical Parameters
Gain Bandwidth Product: 45 kHz
Supply Voltage Range: 1.7 V to 5.5 V
Supply Current: 48 μA
Input Offset Voltage: 3 μV
Input Bias Current: 500 pA
Slew Rate: 0.3 V/μs
Quality and Safety Features
RoHS3 compliant
AEC-Q100 qualified for automotive applications
Compatibility
Suitable for surface mount applications
Compatible with standard TSOT-23-8 sockets and PCB footprints
Application Areas
Current measurement and monitoring in industrial, automotive, and medical equipment
Bidirectional current sensing
Motor control
Power management
Product Lifecycle
This product is currently in production and not nearing discontinuation.
Replacement or upgrade options are available from Texas Instruments' current product portfolio.
Key Reasons to Choose This Product
Exceptional accuracy and stability for high-precision current measurement
Wide operating voltage range for diverse application requirements
Fast response for dynamic current monitoring
Low noise and bias current for sensitive current sensing
Small package size for compact, space-constrained designs
Automotive and industrial-grade quality and reliability
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