MAX4635ETB データシートの表示（PDF） - Maxim Integrated

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MAX4635ETB

Fast, Low-Voltage, Dual 4Ω SPDT CMOS Analog Switches

Maxim Integrated 

Fast, Low-Voltage, Dual 4Ω SPDT

CMOS Analog Switches

POSITIVE SUPPLY

D1

V+

MAX4635

MAX4636

NO_

Vg

COM_

Chip Information

TRANSISTOR COUNT: 239

PROCESS: CMOS

GND

D2

Figure 5. Overvoltage Protection Using Two External Blocking

Diodes

On-resistance increases slightly at low supply voltages.

Maximum supply voltage (V+) must not exceed +6V.

Adding protection diode D2 causes the logic threshold

to be shifted relative to GND. Protection diodes D1 and

D2 also protect against some overvoltage situations.

With Figure 5’s circuit, if the supply voltage is below the

absolute maximum rating, and if a fault voltage up to

the absolute maximum rating is applied to an analog

signal pin, no damage results.

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