HA5024

HA5024 September 1998 File Number 3550.4 Quad 125MHz Video Current Feedback Amplifier with Disable The HA5024 is a quad version of the popular Intersil HA5020. It features wide bandwidth and high slew rate, and is optimized for video applications and gains between 1 and 10. It is a current feedback amplifier and thus yields less bandwidth degradation at high closed loop gains than voltage feedback amplifiers. The low differential gain and phase, 0.1dB gain flatness, and ability to drive two back terminated 75Ω cables, make this amplifier ideal for demanding video applications. The HA5024 also features a disable function that significantly reduces supply current while forcing the output to a true high impedance state. This functionality allows 2:1 and 4:1 video multiplexers to be implemented with a single IC. The current feedback design allows the user to take advantage of the amplifier’s bandwidth dependency on the feedback resistor. By reducing RF, the bandwidth can be increased to compensate for decreases at higher closed loop gains or heavy output loads. Features Quad Version of HA-5020 Individual Output Enable/Disable Input Offset Voltage . . . . . . . . . . . . . . . . . . . . . . . . 800µV Wide Unity Gain Bandwidth . . . . . . . . . . . . . . . . . 125MHz Slew Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 475V/µs Differential Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.03% Differential Phase . . . . . . . . . . . . . . . . ...