
Intersil
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