THS4631 (4)

The THS4631 is available from Texas Instruments at Xecor. Designed for high-speed, wideband applications requiring high-input impedance and high-power supply voltages, the THS4631 offers exceptional performance with a 210-MHz gain bandwidth product, a 1000 V/µs slew rate, and low input bias current of 100 pA. Available in multiple package options including HSOIC (DDA)-8, HVSSOP (DGN)-8, and SOIC (D)-8, it is ideal for applications such as wideband photodiode amplification, ADC and DAC buffering, active filtering, and test and measurement systems. Whether used in telecommunications, medical instrumentation, or industrial control systems, this series ensures high-speed operation, low distortion, and reliable performance for demanding applications. Xecor is an authorized distributor for Texas Instruments. Please view our extensive selection of the THS4631 series below.

Part Number Description Package Inventory Add To Bom
THS4631D Op Amp Single High Speed Amplifier ±15V/30V 8-Pin SOIC Tube SOIC-8 6,371
THS4631DGN Op Amp Single High Speed Amplifier ±15V/30V 8-Pin HVSSOP EP Tube HVSSOP-8 6,926
THS4631DR Op Amp Single High Speed Amplifier ±15V/30V 8-Pin SOIC T/R SOIC (D)-8 6,348
THS4631DDA speed amplifier op amp HSOIC (DDA)-8 3,066

Key Featrues

High Bandwidth (325 MHz in Unity Gain): The THS4631 offers a high bandwidth of 325 MHz in unity gain, enabling it to handle high-frequency signals with minimal distortion. This makes it ideal for applications requiring fast signal processing, such as in wideband photodiode amplifiers or high-speed data acquisition systems.
High Slew Rate (1000 V/µs): With a slew rate of 1000 V/µs, the THS4631 ensures rapid response to changes in input signals, resulting in fast settling times and reduced harmonic distortion at high frequencies. This feature is particularly beneficial in applications like active filtering and high-speed integration.
Low Input Bias Current (100 pA): The THS4631 features an exceptionally low input bias current of 100 pA, which minimizes errors in high-impedance circuits. This characteristic is crucial for precision applications such as transimpedance amplification in photodiode circuits, where maintaining signal integrity is essential.
Low Input Voltage Noise (7 nV/√Hz): The amplifier's low input voltage noise of 7 nV/√Hz allows for the amplification of extremely low-level signals while maintaining a high signal-to-noise ratio. This makes it suitable for sensitive measurement systems and applications requiring high fidelity in signal amplification.
Wide Supply Range (±5 V to ±15 V): The THS4631 operates over a wide supply range from ±5 V to ±15 V, providing flexibility in various power supply configurations. This feature allows the amplifier to be used in diverse environments, from low-power portable devices to high-voltage industrial systems, enhancing its versatility and application scope.

Applications

Wideband Photodiode Amplifier: The THS4631 is ideally suited for amplifying signals from photodiodes due to its high-input impedance, low input bias current, and wide bandwidth. Its fast slew rate and low distortion make it perfect for applications requiring high-speed and accurate amplification of photodiode output currents, such as in optical communication systems or medical imaging devices.
High-Speed ADC/DAC Buffering: With its high gain bandwidth product and low distortion, the THS4631 is an excellent choice for buffering signals in high-speed analog-to-digital (ADC) and digital-to-analog (DAC) converter systems. Its ability to handle large output swings and maintain signal integrity makes it ideal for precision data acquisition systems in test and measurement equipment.
Active Filtering in RF Systems: The THS4631's high slew rate and wide bandwidth make it suitable for active filtering applications in RF and communication systems. Its low noise and high linearity ensure minimal signal degradation, making it ideal for use in high-frequency signal processing and filtering circuits.
High-Impedance Sensor Interface: The THS4631's FET-input architecture and high-input impedance make it perfect for interfacing with high-impedance sensors, such as piezoelectric sensors or capacitive transducers. Its low input bias current and voltage noise ensure accurate signal amplification, making it suitable for precision measurement applications in scientific and industrial environments.