The HFA1100, 1120 are a family of high-speed, wideband, fast settling current feedback amplifiers built with Intersils proprietary complementary bipolar UHF-1 process. Both amplifiers operate with single supply voltages as low as 4.5V (see Application Information section).

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)

Applications

• Video Switching and Routing

• Pulse and Video Amplifiers

• RF/IF Signal Processing

• Flash A/D Driver

• Medical Imaging Systems

• Related Literature

    - AN9420, Current Feedback Theory

    - AN9202, HFA11XX Evaluation Fixture

    - AN9745, Single 5V Supply Operation