The AD8036 and AD8037 are wide bandwidth, low distortion clamping amplifiers. The AD8036 is unity gain stable. The AD8037 is stable at a gain of two or greater. These devices allow the designer to specify a high (VCH) and low (VCL) output clamp voltage. The output signal will clamp at these specified levels. Utilizing a unique patent pending CLAMPIN™ input clamp architecture, the AD8036 and AD8037 offer a 10* improvement in clamp performance compared to traditional output clamping devices. In particular, clamp error is typically3 mV or less and distortion in the clamp region is minimized.This product can be used as a classical op amp or a clamp am-plifier where a high and low output voltage are specified.
The AD8036 and AD8037, which utilize a voltage feedback architecture, meet the requirements of many applications which previously depended on current feedback amplifiers. The AD8036 and AD8037 exhibit an exceptionally fast and accurate pulse response (16 ns to 0.01%), extremely wide small-signal and large-signal bandwidths and ultralow distortion. The AD8036 achieves 66 dBc at 20 MHz, and 240 MHz small- signal and 195 MHz large-signal bandwidths. The AD8036 and AD8037's recover from 2* clamp overdrive within 1.5 ns.
These characteristics position the AD8036/AD8037 ideally for driving as well as buffering flash and high resolution ADCs.In addition to traditional output clamp amplifier applications,the input clamp architecture supports the clamp levels as additional inputs to the amplifier. As such, in addition to static dcclamp levels, signals with speeds up to 240 MHz can be applied to the clamp pins. The clamp values can also be set to anyvalue within the output voltage range provided that VH is greaterthat VL. Due to these clamp characteristics, the AD8036 and AD8037 can be used in
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