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HFA1149EVAL Datasheet(PDF) 1 Page - Intersil Corporation |
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HFA1149EVAL Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 13 page 1 TM File Number 4304.3 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 321-724-7143 | Intersil and Design is a trademark of Intersil Corporation. | Copyright © Intersil Corporation 2000 HFA1149 450MHz, Low Power, Video Operational Amplifier with Programmable Output Disable The HFA1149 is a high speed, low power, current feedback amplifier built with Intersil’s proprietary complementary bipolar UHF-1 process. This amplifier features a unique combination of power and performance specifically tailored for video applications. The HFA1149 incorporates an output disable pin which is TTL/CMOS compatible, and user programmable for polarity (active high or low). This feature eliminates the inverter required between amplifiers in multiplexer configurations. The ultra-fast (12ns/20ns) disable/enable times make the HFA1149 the obvious choice for pixel switching and other high speed multiplexing applications. The HFA1149 is a high performance, pin compatible upgrade for the popular HA-5020 and HFA1145, as well as the CLC410. For a comparably performing op amp without an output disable, please refer to the HFA1109 data sheet. Pinout HFA1149 (SOIC) TOP VIEW Features • Wide - 3dB Bandwidth (AV = +2) . . . . . . . . . . . . . 450MHz • Gain Flatness (To 250MHz) . . . . . . . . . . . . . . . . . . . 0.8dB • Very Fast Slew Rate (AV = +2) . . . . . . . . . . . . . . 1100V/µs • High Input Impedance . . . . . . . . . . . . . . . . . . . . . . 1.7M Ω • Differential Gain/Phase. . . . . . . . . . . 0.02%/0.02 Degrees • Low Supply Current . . . . . . . . . . . . . . . . . . . . . . . . . 10mA • Fast Output Disable/Enable . . . . . . . . . . . . . . . 12ns/20ns Applications • Professional Video Processing • Video Switchers and Routers • Medical Imaging • PC Multimedia Systems • Video Pixel Switching • Video Distribution Amplifiers • Flash Converter Drivers • Radar/IF Processing Ordering Information PART NUMBER (BRAND) TEMP. RANGE (oC) PACKAGE PKG. NO. HFA1149IB (H1149) -40 to 85 8 Ld SOIC M8.15 HFA11XXEVAL DIP Evaluation Board for High Speed Op Amps THRESHOLD SET -IN +IN V- 1 2 3 4 8 7 6 5 DIS / DIS V+ OUT + - POLARITY SET HFA1149 PIN DESCRIPTIONS PIN NAME DESCRIPTION Threshold Set Optional Logic Threshold Set. Maintains disable pin TTL compatibility with asymmetrical supplies (e.g., +10V, 0V). Polarity Set Defines Polarity of Disable Input. High or floating selects active low disable (i.e., DIS). DIS/DIS TTL Compatible Disable Input. Output is driven to a true Hi-Z state when active. Polarity depends on state of Polarity Set Pin. HFA1149 DISABLE FUNCTIONALITY POLARITY SET (PIN 5) DISABLE (PIN 8) OUTPUT (PIN 6) High or Float High or Float Enabled High or Float Low Disabled Low High or Float Disabled Low Low Enabled Data Sheet June 2000 |
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