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HFA1155
Data Sheet September 2004 FN4863.1
380MHz, SOT-23, Low Power Current Feedback Operational Amplifier
The HFA1155 is a low power, high-speed op amp and is the most recent addition to Intersil’s HFA1XX5 series of low power op amps and buffers. Intersil's proprietary complementary bipolar UHF-1 process, coupled with the current feedback architecture deliver superb bandwidth even at very high gains (>250MHz at AV = 10). The excellent video parameters make this amplifier ideal for professional video applications. Though specified for ±5V operation, the HFA1155 operates with single supply voltages as low as 4.5V, and requires only 1.4mA of ICC in 5V applications (see Application Information section, and Application Note AN9897).
Features
• Low Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5.5mA • Low Distortion (10MHz, HD2) . . . . . . . . . . . . . . . . -53dBc • -3dB Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . 360MHz • High Slew Rate . . . . . . . . . . . . . . . . . . . . . . . . . 1650V/μs • Fast Settling Time (0.1%). . . . . . . . . . . . . . . . . . . . . 38ns • Excellent Gain Flatness . . . . . . . . . . . ±0.06dB to 50MHz • High Output Current . . . . . . . . . . . . . . . . . . . . . . . . . 55mA • Fast Overdrive Recovery . . . . . . . . . . . . . . . . . . . . .
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