lf356-mwc National Semiconductor Corporation, lf356-mwc Datasheet - Page 20

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

www.national.com
Typical Applications
• By closing the loop through A2, the V
• T
• Overall system slower than fast sample and hold
• R1, C
• Use LF156 for
• By adding positive feedback (R2)
• Q increases to 40
• f
• Clean layout recommended
• Response to a 1Vp-p tone burst: 300µs
No V
propagation delay in the feedback loop (A2) the overshoot is not negligible.
j
j
BP
A
Fast settling time
Low V
can be estimated by same considerations as previously but, because of the added
= 100 kHz
OS
C
: additional compensation
adjust required for A2.
OS
(Continued)
OUT
accuracy will be determined uniquely by A1.
High Accuracy Sample and Hold
High Q Band Pass Filter
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