lf356-mwc National Semiconductor Corporation, lf356-mwc Datasheet - Page 19

• Manufacturer Part Number: lf356-mwc
• Description: Jfet Input Operational Amplifiers
• Manufacturer: National Semiconductor Corporation

Typical Applications
(Continued)
Fast Sample and Hold
00564633
• Both amplifiers (A1, A2) have feedback loops individually closed with stable responses (overshoot negligible)
• Acquisition time T
, estimated by:
A
• LF156 develops full S
output capability for V
1V
r
IN
• 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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