SMP-10

The SMP-10/11 are precision sample-and-hold amplifiers that provide the high accuracy,the low droop rate and the fast acquisition time required in data acquisition and signal processing systems.Both devices are essentially noninverting unity gain circuits consisting of two very high input impedance buffer amplifiers connected together by a diode bridge switch.

The high input impedance and the low droop rates of the SMP-10/11 are achieved by using bipolar darlington circuits and an ion implant process that creates "super beta" transistors.The output buffer's input stage converts to a super beta darlington configuration during the hold mode,which results in a very low droop rate with no penalty in acquistion time.The use of bipolar transistors achieves a low change in droop rate over the operating temperature range.

The SMP-10/11 have some absolute maximum ratings.The supply voltage (V+ minus V-) is 36V.The derate above 100 is 100mW/.The input voltage is equal to supply voltage.The logic and logic reference voltage is equal to supply voltage.The output short-circuit duration is idenfinite.The hold capacitor short-circuit duration is 60 sec.The storage temperature range is -65 to +150.The lead temperature (soldering,60 sec) is 300.