DATASHEET
HFA1100
FN2945
Rev.9.00
October 26, 2004
850MHz, Low Distortion Current Feedback Operational Amplifiers
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).
Features
• Low Distortion (30MHz, HD2) . . . . . . . . . . . . . . . . -56dBc
• -3dB Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . 850MHz
• Very Fast Slew Rate . . . . . . . . . . . . . . . . . . . . . 2300V/s
The HFA1100 is a basic op amp with uncommitted pins 1, 5,
and 8.
• Fast Settling Time (0.1%). . . . . . . . . . . . . . . . . . . . . 11ns
• Excellent Gain Flatness
- (100MHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.14dB
- (50MHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.04dB
This device offers a significant performance improvement
over the AD811, AD9617/18, the CLC400-409, and the
EL2070, EL2073, EL2030.
• High Output Current . . . . . . . . . . . . . . . . . . . . . . . . . 60mA
Ordering Information
PART NUMBER
(BRAND)
TEMP.
RANGE (°C)
• Overdrive Recovery . . . . . . . . . . . . . . . . . . . . . . . .
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