Applications

Datasheet

HFA1100
850MHz, Low Distortion Current Feedback Operational Amplifiers

Typical Diagram

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Key Features

    • Low Distortion (30MHz, HD2) -56dBc
    • -3dB Bandwidth 850MHz
    • Very Fast Slew Rate 2300V/µs
    • Fast Settling Time (0.1%) 11ns
    • Excellent Gain Flatness
      • (100MHz) ±0.14dB
      • (50MHz) ±0.04dB
    • High Output Current 60mA
    • Overdrive Recovery <10ns
    • Operates with 5V Single Supply (See AN9745)
    • Pb-Free Available (RoHS Compliant)

Description

The HFA1100 is a high-speed, wideband, fast settling current feedback amplifier built with Intersil's proprietary complementary bipolar UHF-1 process. It operates with single supply voltages as low as 4.5V (see Application Information section).

The HFA1100 is a basic op amp with uncommitted pins 1, 5, and 8.

This device offers a significant performance improvement over the AD811, AD9617/18, the CLC400-409, and the EL2070, EL2073, EL2030.

Applications

    • Video Switching and Routing
    • Pulse and Video Amplifiers
    • RF/IF Signal Processing
    • Flash A/D Driver
    • Medical Imaging Systems
    • Related Literature

Alternatives

Design Tip

Can I use a current feedback amplifier (CFA) as an open loop comparator?

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