Texas Instruments

INA190A1IDDFT

INA190A1IDDFT Description

The INA190A1IDDFT is a high-performance current sense amplifier from Texas Instruments, designed for precision current measurement in a wide range of applications. This device is part of the Linear IC Chips category and is housed in a TSOT23-8 package, making it suitable for surface mount applications. The INA190A1IDDFT offers a broad supply voltage range, from a minimum of 1.7 V to a maximum of 5.5 V, ensuring compatibility with various power supply configurations. It features a low supply current of 48µA, which is ideal for battery-powered and low-power applications. The amplifier also boasts a low input bias current of 500 pA and an input offset voltage of just 3 µV, contributing to its high accuracy and reliability in current sensing tasks.

INA190A1IDDFT Features

• Wide Supply Voltage Range: The INA190A1IDDFT operates within a supply voltage range of 1.7 V to 5.5 V, providing flexibility in power supply design.
• Low Power Consumption: With a supply current of only 48µA, this amplifier is well-suited for low-power and battery-operated systems.
• High Precision: The low input bias current of 500 pA and input offset voltage of 3 µV ensure high accuracy in current sensing applications.
• Gain Bandwidth Product: The amplifier has a gain bandwidth product of 45 kHz, enabling it to handle a wide range of signal frequencies.
• Slew Rate: The slew rate of 0.3V/µs ensures stable and accurate signal processing.
• Surface Mount Compatibility: The TSOT23-8 package is designed for surface mount technology, facilitating easy integration into compact and high-density PCB designs.
• Compliance and Safety: The INA190A1IDDFT is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the device is highly resistant to moisture, making it suitable for a variety of environmental conditions.

INA190A1IDDFT Applications

The INA190A1IDDFT is ideal for applications requiring precise current measurement and monitoring. Its wide supply voltage range and low power consumption make it suitable for both low-power and high-voltage systems. Some specific use cases include:

• Battery Management Systems: The INA190A1IDDFT can accurately monitor the current flowing in and out of batteries, ensuring optimal charging and discharging cycles.
• Power Supply Monitoring: In power supplies, the amplifier can measure load currents to ensure stable operation and prevent overcurrent conditions.
• Motor Control: The device can be used to monitor motor currents, providing feedback for precise control and protection against overloading.
• Industrial Automation: The high precision and reliability of the INA190A1IDDFT make it suitable for industrial applications where accurate current sensing is critical for process control and monitoring.

Conclusion of INA190A1IDDFT

The INA190A1IDDFT from Texas Instruments stands out as a versatile and high-performance current sense amplifier. Its wide supply voltage range, low power consumption, and high precision make it an excellent choice for a variety of applications, from battery management to industrial automation. The device's compliance with environmental and safety standards, along with its robust moisture resistance, further enhance its appeal. For engineers and designers seeking a reliable and efficient current sensing solution, the INA190A1IDDFT is a standout option.