The EL2150 and EL2157 are theelectronics industry's fastest singlesupply op amps available. Prior singlesupply op amps have generally been limited to bandwidthsand slew rates ¼ that of the EL2150 and EL2157. The125MHz bandwidth, 275V/μs slew rate, and 0.05%/0.05°differential gain/differential phase makes this part ideal forsingle or dual supply video speed applications. With itsvoltage feedback architecture, these amplifiers can acceptreactive feedback networks, allowing them to be used inanalog filtering applications. The inputs can sense signalsbelow the bottom supply rail and as high as 1.2V below thetop rail. Connecting the load resistor to ground and operatingfrom a single supply, the outputs swing completely to groundwithout saturating. The outputs can also drive to within 1.2Vof the top rail. The EL2150 and EL2157 will output ±100mAand will operate with single supply voltages as low as 2.7V,making them ideal for portable, low power applications.The EL2157 has a high speed disable feature. Applying alow logic level to this pin reduces the supply current to 0μAwithin 50ns. This is useful for both multiplexing and reducingpower consumption.
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