HFA1115IP

Instrumentation, Op Amps, Buffer Amps Overview

The HFA1115IP is a high-speed, low-power closed-loop buffer amplifier manufactured by Intersil using a proprietary complementary bipolar UHF-1 process. It features user-programmable gain settings of +1, -1, or +2 without external resistors and includes adjustable output voltage limiting. Key electrical parameters include a typical -3dB bandwidth of 225MHz, a slew rate of 1135V/µs, and a maximum input offset voltage of 14000 µV. The device operates with a typical supply current of 6.9mA and offers fast overdrive recovery of less than 1ns.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• User-programmable closed-loop gains of +1, -1, or +2 without external resistors
• Adjustable output voltage limiting capability
• High-speed performance with wide bandwidth and fast slew rate
• Low power consumption with minimal supply current

Instrumentation, Op Amps, Buffer Amps Applications

• Flash A/D Driver
• Video Switching and Routing
• Pulse and Video Amplifiers
• Wideband Amplifiers
• RF/IF Signal Processing

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix 'IP' against official Intersil documentation to confirm package type and temperature range specifications. Ensure compliance with MIL-STD-883 requirements if military-grade qualification is necessary for the application. Cross-reference datasheet revisions to confirm pinout compatibility and electrical parameter tolerances before integration.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component for applications requiring high-speed buffering with programmable gain and output protection. Consider the 225MHz bandwidth and 1135V/µs slew rate for video and RF signal processing tasks. Evaluate the low supply current requirement against system power budgets. Verify that the DIP package format meets the PCB layout constraints.

Instrumentation, Op Amps, Buffer Amps Part Context

The HFA1115 series belongs to Intersil's portfolio of high-speed analog amplifiers designed for demanding signal processing applications. Manufactured on a specialized UHF-1 process, these devices offer superior speed and linearity compared to standard operational amplifiers. The family is characterized by its ability to function as versatile buffers with integrated gain control and output limiting features.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Consult official Intersil substitution guides for verified equivalent part numbers. Do not assume functional compatibility with generic high-speed amplifiers due to specific UHF-1 process characteristics and pinout configurations.