PS398 Просмотр технического описания (PDF) - Pericom Semiconductor

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PS398

Precision 8-Ch, Diff. 4-Ch, 17V Analog Multiplexers

Pericom Semiconductor 

PS398/PS399

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Test Circuits/Timing Diagrams

+5V

A2

A1

V+

NO1

509

+5V

A0

EN

NO2-NO7

PS398 NO8

COM

GND V-

3009

-5V

+5V

+5V

-5V

VOUT

35pF

A1

A0

V+ NO1A

+5V

509

NO2A-NO4B

+5V

PS399 NO4A

EN

GND

VC-OM

3009

- 5V

VOUT

35pF

-5V

LIVnopEguNict

+3V

0V

VNO1

OSVwuOtUiptTcuht 0V

VNO8

ttraOnNs

50%

ttrf <<2200nnss

90%

90%

ttrans

Figure 1. Transition Time

+5V

EN

V+

NO1

+5V

50ΩW

A2

NO2-NO8

A1 PS398

A0

COM

GND

V-

300ΩW

VOUT

35pF

-5V

+5V

EN

V+

NO1B

+5V

50ΩW

A0 NO1A-NO4A,

NO2B-NO4B,

A1

COMA

PS399

COMB

VOUT

GND

V-

300WΩ

35pF

-5V

Logic

Input

VEN

+3V

0V

tON(EN)

0V

Switch

Output

VOUT

50%

90%

Figure 2. Enable Switching Time

tr <20ns

tf <20ns

tOFF(EN)

10%

7

PS8185C 10/06/99

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