PI5A4596A Просмотр технического описания (PDF) - Pericom Semiconductor

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PI5A4596A

SOTINY™ Low-Voltage, Single-Supply, 8-Ohm SPST CMOS Analog Switches

Pericom Semiconductor 

PI5A4594A/4595A/4596A/4597A

SOTINY Low-Voltage, Single-Supply,

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Applications Information

Analog Signal Levels

Analog signals can range over the supply voltage (V+ to GND) with ON-resistance changing very little over the entire range. The

PI5A4594A–PI5A4597A are bidirectional, so the NO, NC, and COM pins can be used either as inputs or outputs.

Test Circuits/Timing Diagrams

V+

NO

PI5A4594A

or

NC

PI5A4595A

VNO or VNC = 0

PI5A4596A

VIN

PI5A4597A

IN

COM

VOUT

50Ω

CL

1000pF

V+

VIN

0

VOUT

PI5A4594,

PI5A4596

PI5A4595,

PI5A4597

∆VOUT

VOUT is the Measured Voltage due to Charge Transfer

Error Q when the Channel Turns Off.

Q = ∆VOUT x CL

Figure 2. Charge Injection

V+

NO

PI5A4594A

PI5A4596A

VIN

IN

COM

50Ω

V+

VNO

V+

VIN

50%

0

RL

300Ω

VOUT

CL

35pF

VOUT

0

tON

90%

NC

PI5A4595A

PI5A4597A

VIN

IN

COM

50Ω

V+

VNC

VIN

0

RL

300Ω

VOUT

CL

35pF

VOUT

0

tOFF

Figure 3. Switching Times

50%

90%

tr ≤ 5ns

tf ≤ 5ns

90%

tOFF

90%

tON

4

PS8578C

01/05/05

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