Texas Instruments

INA2181A1IDSQT  

OP Amps, Buffer Amps ICs

INA2181A1IDSQT Description

The INA2181A1IDSQT is a high-performance, dual-channel current sense amplifier designed for automotive applications. Manufactured by Texas Instruments, this Linear IC Chip is specifically tailored to meet the stringent requirements of the automotive industry. It operates within a supply voltage range of 2.7 V to 5.5 V, making it suitable for a wide range of power supply configurations. The device features a -3 dB bandwidth of 350 kHz and a slew rate of 2 V/µs, ensuring high-speed performance and accurate signal processing.

INA2181A1IDSQT Features

• High Supply Voltage Range: The INA2181A1IDSQT operates within a supply voltage range of 2.7 V to 5.5 V, providing flexibility in power supply design.
• Low Supply Current: With a supply current of only 356 µA, this amplifier is highly efficient, making it suitable for low-power applications.
• High Bandwidth: The -3 dB bandwidth of 350 kHz ensures that the amplifier can handle high-frequency signals without significant loss of signal integrity.
• Fast Slew Rate: The 2 V/µs slew rate allows for rapid response to input signal changes, making it ideal for dynamic current sensing applications.
• Low Input Bias Current: The low input bias current of 75 µA minimizes the impact on the load, ensuring accurate current measurements.
• Low Input Offset Voltage: The 100 µV input offset voltage ensures high accuracy in current sensing applications.
• Automotive Grade: Certified for automotive applications, the INA2181A1IDSQT meets the rigorous standards required for reliability and performance in harsh environments.
• Surface Mount Packaging: The surface mount package (Tape & Reel) facilitates easy integration into modern PCB designs.
• Dual Circuits: The device includes two independent current sense amplifiers, allowing for simultaneous monitoring of multiple current paths.

INA2181A1IDSQT Applications

The INA2181A1IDSQT is ideal for a variety of automotive applications where precise current sensing is required. Specific use cases include:

• Battery Management Systems: Accurate monitoring of battery charge and discharge currents to ensure optimal battery health and performance.
• Motor Control: Precise current sensing for motor control applications to enhance efficiency and reliability.
• Power Supply Monitoring: Monitoring the current draw of various components within the vehicle to ensure proper operation and prevent overloads.
• Fuel Injection Systems: Ensuring accurate fuel delivery by monitoring the current through fuel injectors.
• On-Board Diagnostics (OBD): Providing accurate current measurements for diagnostic purposes, helping to identify and resolve issues quickly.

Conclusion of INA2181A1IDSQT

The INA2181A1IDSQT from Texas Instruments is a robust and versatile current sense amplifier designed to meet the demanding requirements of the automotive industry. Its wide supply voltage range, low supply current, high bandwidth, and fast slew rate make it an ideal choice for high-precision current sensing applications. The automotive grade certification ensures reliability and performance in harsh environments, while the surface mount packaging facilitates easy integration into modern PCB designs. With its dual circuits, the INA2181A1IDSQT can monitor multiple current paths simultaneously, providing comprehensive and accurate current sensing capabilities.

INA2181A1IDSQT Documents

Download datasheets and manufacturer documentation for INA2181A1IDSQT

Datasheets :

INAx181      

PCN Obsolescence/ EOL :

EOL 09/Nov/2023