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EL2120 Dataheets PDF



Part Number EL2120
Manufacturers Intersil
Logo Intersil
Description 100MHz Current Feedback Amplifier
Datasheet EL2120 DatasheetEL2120 Datasheet (PDF)

® EL2120 Data Sheet January 1996, Rev E FN7044 100MHz Current Feedback Amplifier The EL2120 is a wideband current feedback amplifier optimized for video performance. Its 0.01% differential gain and 0.03 degree differential phase performance when at ±5V supplies exceeds the performance of other amplifiers running on ±15V supplies. Operating on ±8 to ±15V supplies reduces distortions to 0.01% and 0.01 degrees and below. The EL2120 can operate with supplies as low as ±2.5V or a single +5V supply..

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® EL2120 Data Sheet January 1996, Rev E FN7044 100MHz Current Feedback Amplifier The EL2120 is a wideband current feedback amplifier optimized for video performance. Its 0.01% differential gain and 0.03 degree differential phase performance when at ±5V supplies exceeds the performance of other amplifiers running on ±15V supplies. Operating on ±8 to ±15V supplies reduces distortions to 0.01% and 0.01 degrees and below. The EL2120 can operate with supplies as low as ±2.5V or a single +5V supply. Being a current feedback design, bandwidth is a relatively constant 100MHz over the ±1 to ±10 gain range. The EL2120 has been optimized for flat gain over frequency and all characteristics are maintained at positive unity gain. Because the input slew rate is similar to the 700V/µs output slew rate the part makes an excellent high-speed buffer. The EL2120 has a superior output disable function. Time to enable or disable is 50ns and does not change markedly with temperature. Furthermore, in disable mode the output does not draw excessive currents when driven with 1000V/µs slew rates. The output appears as a 3pF load when disabled. Features • Excellent differential gain and phase on ±5V to ±15V supplies • 100MHz -3dB bandwidth from gains of ±1 to ±10 • 700V/µs slew rate • 0.1dB flatness to 20MHz • Output disable in 50ns - remains high impedance even when driven with large slew rates • Single +5V supply operation • AC characteristics are lot and temperature stable • Available in small SO-8 package Applications • Video gain block • Residue amplifier • Multiplexer • Current to voltage converter • Coax cable driver with gain of 2 • ADC driver Simplified Schematic Ordering Information PART NUMBER EL2120CN EL2120CS TEMP. RANGE 0°C to +75°C 0°C to +75°C PACKAGE 8-Pin PDIP 8-Pin SO PKG. NO. MDP0031 MDP0027 Pinouts EL2120 (8-PIN PDIP) TOP VIEW EL2120 (8-PIN SO) TOP VIEW 1 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 registered trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2003. All Rights Reserved. Elantec is a registered trademark of Elantec Semiconductor, Inc. All other trademarks mentioned are the property of their respective owners. EL2120 Absolute Maximum Ratings (TA = 25°C) Voltage between V+ and V- . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33V Voltage at +IN, -IN, VOUT . . . . . . . . . . . . . (V-) - 0.5V to (V+) + 0.5V Voltage between +IN and -IN . . . . . . . . . . . . . . . . . . . . . . . . . . . .±5V Voltage at /Disable . . . . . . . . . . . . . . . . . . . (V+) - 10V to (V+) + 0.5V Current into +IN, -IN, and /Disable. . . . . . . . . . . . . . . . . . . . . . ±5mA Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±50mA Internal Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . See Curves Operating Ambient Temperature Range . . . . . . . . ..


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