Product Overview: INA186A3IDDFR by Texas Instruments

The INA186A3IDDFR is a precision, bidirectional current-sense amplifier from Texas Instruments, designed to provide high accuracy and performance in a wide range of applications. This device is part of the INA186 family, which is known for its low offset voltage, low power consumption, and small form factor, making it an ideal choice for power management in modern electronics.

Key Features

• High Accuracy: The INA186A3IDDFR boasts a low offset voltage of just 35 µV (max) and an offset drift of 0.1 µV/°C (max), ensuring precise current measurement across a wide temperature range.
• Wide Common-Mode Range: It operates over a common-mode range from -0.2 V to +26 V, allowing for versatile use in systems with varying potentials.
• Adjustable Gain: The device offers an adjustable gain set by a single external resistor. This feature provides flexibility in scaling the output voltage to match the input range of any accompanying analog-to-digital converter (ADC).
• Low Power Consumption: With a quiescent current of only 260 µA (typ), this amplifier is suitable for battery-powered and energy-efficient applications.
• Small Package: The INA186A3IDDFR comes in a tiny 6-pin SOT-23 package, perfect for space-constrained applications.

Applications

The INA186A3IDDFR is used in a variety of applications where precise current monitoring is essential. These include:

• Power management in portable devices
• Battery chargers and management systems
• Overcurrent protection circuits
• Automotive and industrial systems
• Telecommunications equipment

Technical Specifications

The INA186A3IDDFR operates with a supply voltage ranging from 2.7 V to 5.5 V, which makes it compatible with most low-voltage systems. The device's bandwidth is 350 kHz, which allows for fast response times in dynamic systems. Additionally, it can handle a wide temperature range from -40°C to +125°C, ensuring reliable performance in harsh environments.

With its combination of precision, low power, and small size, the INA186A3IDDFR from Texas Instruments is an excellent choice for engineers and designers looking to incorporate accurate current-sensing capabilities into their projects.