PI5A391A 查看數據表（PDF） - Pericom Semiconductor

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PI5A391A

Precision Wide Bandwidth Quad Analog Switches

Pericom Semiconductor 

PI5A391A, PI5A392A , PI5A393A

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Applications

R1

VIN RIN

R2

C2

C1

PS391

Integrate Reset/ C2 C1

Hold

+

VOUT

Figure 1. Programmable Integrator and Sample/Hold

The 5A39X can be used to insert various capacitors (C1, C2) and set proper RC

times for integration. Resistors R1 and R2 set initial gain. The RIN resistor X C1

or C2 sets the RC time. The reset switch discharges the hold capacitor through

RIN.

4

PS7080G

12/10/02

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