THS3111ID

Instrumentation, Op Amps, Buffer Amps Overview

The THS3111ID is a single-channel high-speed voltage-feedback operational amplifier manufactured by Texas Instruments. It operates within a supply voltage range of 10 V to 30 V and features a gain-bandwidth product of 100 MHz with a slew rate of 1.3 kV/us. The device delivers an output current of 260 mA per channel, maintaining low input bias current of 4 uA and input offset voltage of 3 mV. It exhibits an input voltage noise density of 3 nV/sqrt Hz, common-mode rejection ratio of 68 dB, and power supply rejection ratio of 62 dB. Power dissipation is rated at 1.05 W, with operating temperatures spanning from -40 C to +85 C in an SOIC-8 package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• High-speed voltage-feedback architecture designed for demanding signal processing applications
• Capable of delivering high output drive current to support heavy loads
• Low-noise performance suitable for precision analog signal chains
• Wide single-supply or dual-supply voltage operation flexibility

Instrumentation, Op Amps, Buffer Amps Applications

• Video buffering and distribution circuits
• High-speed data acquisition systems
• Test and measurement equipment front-ends
• RF and IF signal conditioning stages

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific ordering suffix to confirm the package type and tape-and-reel versus tube packaging configuration. Ensure the component matches the required thermal dissipation capabilities for the intended PCB layout. Cross-reference the manufacturer datasheet for exact pinout definitions and recommended operating conditions before integration into the final design.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when high slew rate and significant output current are required alongside low noise characteristics. Consider the SOIC-8 package constraints for thermal management and board space. Evaluate the 100 MHz bandwidth against the system's frequency requirements to ensure adequate gain stability and phase margin in the target feedback configuration.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the THS3111 series of high-speed amplifiers from Texas Instruments. The series includes variants such as the THS3111IDR and THS3111IDGN, which offer similar electrical performance but differ in packaging formats like MSOP-8 or reel-based shipping options. These devices are categorized under high-speed operational amplifiers within the broader amplifier ICs family.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Direct substitutes include other parts within the THS3111 family, such as THS3111IDR or THS3111IDGN, provided the package footprint and thermal characteristics align with the existing design constraints.