MAX4638(2002) データシートの表示（PDF） - Maxim Integrated

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MAX4638
(Rev.:2002)

3.5Ω, Single 8:1 and Dual 4:1, Low-Voltage Analog Multiplexers

Maxim Integrated 

3.5Ω, Single 8:1 and Dual 4:1,

Low-Voltage Analog Multiplexers

Test Circuits/Timing Diagrams (continued)

VEN

EN

V+

V+

NO1

VNO1

A0

NO2–NO8

A1 MAX4638

A2

COM

GND

V-

50Ω

100Ω

V-

V+

VEN

V+

EN

NO1B

VNO1

A0

NO_, COMA

A1 MAX4639

COMB

GND

V-

50Ω

100Ω

V-

VOUT

35pF

VOUT

35pF

LOGIC +3V

INPUT

VEN

0V

VNO1

SWITCH

OUTPUT

VOUT 0V

50%

90%

tON(EN)

tR < 5ns

tF < 5ns

90%

tOFF(EN)

Figure 4. Enable Switching Time

V+

RS

NO_

V+

VEN EN

VS

A0 MAX4638

CHANNEL

SELECT

A1 MAX4639 COM

A2

GND

V-

V-

Figure 5. Charge Injection

+3V

LOGIC

INPUT

OFF ON

VEN

0

VOUT

OFF

ON

ON OFF

CL

1nF

VOUT

∆VOUT

∆VOUT IS THE MEASURED VOLTAGE DUE TO CHARGE TRANSFER

ERROR Q WHEN THE CHANNEL TURNS OFF.

Q = ∆VOUT ✕ CL

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