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| LF356-MIL Datasheet, PDF (19/28 Pages) Texas Instruments – JFET Input Operational Amplifier | |||
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LF356-MIL
SNOSD55 â JUNE 2017
Figure 31. Fast Sample and Hold
⢠Both amplifiers (A1, A2) have feedback loops individually closed with stable responses (overshoot negligible)
⢠Acquisition time TA, estimated by:
(6)
⢠LF156 develops full Sr output capability for VIN ⥠1 V
⢠Addition of SW2 improves accuracy by putting the voltage drop across SW1 inside the feedback loop
⢠Overall accuracy of system determined by the accuracy of both amplifiers, A1 and A2
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