MAX398MJE 데이터 시트보기 (PDF) - Maxim Integrated

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MAX398MJE

Precision, 8-Channel/Dual 4-Channel, Low-Voltage, CMOS Analog Multiplexers

Maxim Integrated 

Precision, 8-Channel/Dual 4-Channel,

Low-Voltage, CMOS Analog Multiplexers

_________________________________Test Circuits/Timing Diagrams (continued)

+5V

RS

NO

V+

VEN EN

VS

A0 MAX398

CHANNEL

COM

SELECT

A1

A2

GND

V-

-5V

Figure 5. Charge Injection

+3V

LOGIC

INPUT

OFF

ON

OFF

VEN

0V

VOUT

CL = 1000nF

VOUT

∆VOUT

∆VOUT IS THE MEASURED VOLTAGE DUE TO CHARGE TRANSFER

ERROR Q WHEN THE CHANNEL TURNS OFF.

Q = ∆VOUT x CL

+5V 10nF

+5V 10nF

VIN

RS = 50Ω

NO1

V+

NO8 MAX398

A0

COM

A1

A2 GND EN

V-

VOUT

RL = 1kΩ

10nF

-5V

OFF ISOLATION = 20log VOUT

VIN

Figure 6. Off Isolation

R = 1kΩ VIN

RG = 50Ω

Figure 7. Crosstalk

NO1

V+

NO2

NO8 MAX398

A0

COM

A1

A2 GND EN

V-

VOUT

RL = 1kΩ

10nF

-5V

CROSSTALK = 20log VOUT

VIN

CHANNEL

SELECT

+5V

A2

V+

NO1

A1 MAX398 NO8

A0

COM

GND EN V-

1MHz

CAPACITANCE

ANALYZER

f = 1MHz

-5V

Figure 8. NO/COM Capacitance

10 ______________________________________________________________________________________

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