Texas Instruments

OPA2107AU

OPA2107AU Description

The OPA2107AU from Texas Instruments is a high-performance, dual-channel general-purpose operational amplifier (op-amp) from the Difet® series, designed for precision analog applications. Operating within a 9V to 36V supply range, it delivers 4.5 MHz gain bandwidth product (GBW) and an ultra-low input bias current of 4 pA, making it ideal for high-impedance sensor interfaces and precision signal conditioning. With a slew rate of 18V/µs and low input offset voltage (100 µV), it ensures fast, accurate signal amplification. The device is RoHS3 compliant and packaged in an 8-pin SOIC tube, suitable for surface-mount applications.

OPA2107AU Features

• Ultra-Low Input Bias Current (4 pA): Minimizes errors in high-impedance circuits.
• Wide Supply Range (9V–36V): Supports flexible power configurations.
• High Slew Rate (18V/µs): Enables fast transient response for dynamic signals.
• Low Offset Voltage (100 µV): Enhances DC accuracy in precision systems.
• Dual-Channel Design: Saves board space in multi-channel applications.
• Difet® Technology: Provides superior noise performance and stability.
• 4.5mA Supply Current per Channel: Balances power efficiency with performance.

OPA2107AU Applications

• Precision Instrumentation: Ideal for data acquisition systems and medical devices due to low noise and high accuracy.
• Sensor Signal Conditioning: Perfect for photodiode amplifiers and strain gauge interfaces with its ultra-low input bias current.
• Active Filters & Audio Processing: The high slew rate and GBW suit high-fidelity audio and communication systems.
• Industrial Control Systems: Robust performance in PLC analog I/O modules and motor control feedback loops.

Conclusion of OPA2107AU

The OPA2107AU excels in precision analog designs requiring low noise, high speed, and wide voltage operation. While not recommended for new designs, its Difet® technology and balanced performance metrics make it a reliable choice for legacy or specialized systems. Engineers should consider this op-amp for high-impedance, low-drift applications where signal integrity is critical. For modern alternatives, Texas Instruments' newer precision op-amps may offer enhanced features.