Texas Instruments

INA321E/2K5G4

INA321E/2K5G4 Description

The INA321E/2K5G4 is a high-performance instrumentation amplifier designed by Texas Instruments, a leading manufacturer in the electronics industry. This device is part of the OP Amps and Buffer Amps ICs category and is specifically tailored for applications requiring precision and low power consumption. The INA321E/2K5G4 features a single circuit configuration and is packaged in an 8VSSOP format, making it suitable for surface mount applications.

INA321E/2K5G4 Features

Technical Specifications:

• Supply Voltage Span: The INA321E/2K5G4 operates within a wide supply voltage range from 2.5 V to 5.5 V, making it versatile for various power supply configurations.
• Input Bias Current: An extremely low input bias current of 0.5 pA ensures minimal loading on the input signal source, which is crucial for high-impedance applications.
• Supply Current: The device consumes only 40 µA of supply current, making it ideal for low-power applications.
• Output Current: It can deliver up to 16 mA per channel, providing sufficient drive capability for a wide range of loads.
• Bandwidth: With a -3dB bandwidth of 500 kHz, the INA321E/2K5G4 offers a good balance between frequency response and stability.
• Slew Rate: A slew rate of 0.4 V/µs ensures that the amplifier can handle fast signal transitions without significant distortion.
• Input Offset Voltage: The low input offset voltage of 200 µV contributes to high accuracy in signal conditioning applications.

Compliance and Packaging:

• Compliance: The INA321E/2K5G4 is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: With an MSL of 2 (1 Year), the device is suitable for extended storage and handling in controlled environments.
• Packaging: The Tape & Reel (TR) packaging format facilitates automated assembly processes, enhancing manufacturing efficiency.

INA321E/2K5G4 Applications

Ideal Use Cases:

• Precision Signal Conditioning: The INA321E/2K5G4 is ideal for applications requiring high-precision signal conditioning, such as in medical devices, industrial sensors, and precision measurement equipment.
• Low-Power Systems: Its low power consumption makes it suitable for battery-powered devices and energy-efficient systems.
• High-Impedance Sources: The low input bias current ensures accurate amplification of signals from high-impedance sources, such as photodetectors and strain gauges.
• Wide Supply Voltage Range: The wide operating voltage range allows for flexibility in power supply design, making it suitable for both low-voltage and higher-voltage applications.

Conclusion of INA321E/2K5G4

The INA321E/2K5G4 from Texas Instruments stands out in the market due to its combination of high performance, low power consumption, and compliance with industry standards. Its wide supply voltage range, low input bias current, and low supply current make it a versatile choice for a variety of applications. The device's compliance with REACH and RoHS3 standards ensures it meets environmental and safety requirements, making it a responsible choice for modern electronics design. Whether used in precision measurement equipment, medical devices, or low-power systems, the INA321E/2K5G4 delivers reliable performance and exceptional value.