MAX4666CPE 查看數據表（PDF） - Maxim Integrated

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MAX4666CPE

5Ω, Quad, SPST, CMOS Analog Switches

Maxim Integrated 

5Ω, Quad, SPST,

CMOS Analog Switches

Above 5MHz, circuit board layout becomes critical,

and it becomes difficult to characterize the response of

the switch independent of the circuit. The graphs

shown in the Typical Operating Characteristics were

taken using a 50Ω source and load connected with

BNC connectors to a circuit board deemed “average,”

that is, designed with isolation in mind, but not using

stripline or other special RF circuit techniques. For criti-

cal applications above 5MHz, use the MAX440,

MAX441, and MAX442, which are fully characterized

up to 160MHz.

+5V

+15V

SWITCH

INPUT

VCOM_

VL

COM_

IN_

V+

NO_

OR NC_

SWITCH

OUTPUT

VO

RL

CL

100Ω

35pF

LOGIC

INPUT

GND

V-

0

-15V

REPEAT TEST FOR EACH SWITCH. FOR LOAD

CONDITIONS, SEE Electrical Characteristics.

CL INCLUDES FIXTURE AND STRAY CAPACITANCE.

( ) VO = VCOM

RL

RL + RON

Figure 2. Switching-Time Test Circuit

+3V

LOGIC

INPUT 0

SWITCH 0

OUTPUT

MAX4664

MAX4665

MAX4666

tr < 20ns

tf < 20ns

50%

VO 0.9V0

tON

tOFF

0.9V0

LOGIC INPUT WAVEFORMS INVERTED FOR SWITCHES

THAT HAVE THE OPPOSITE LOGIC SENSE.

MAX4664

MAX4665

MAX4666

RGEN

+5V

VL

COM_

VGEN

GND

+15V

V+

NC_ OR

NO_

IN_ V-

-15V

VIN = +3V

VO

CL

VO

VIN

OFF

∆VO

OFF

ON

ON

OFF

OFF

VIN

Q = (∆VO)(CL)

VIN DEPENDS ON SWITCH CONFIGURATION;

INPUT POLARITY DETERMINED BY SENSE OF SWITCH.

Figure 3. Charge-Injection Test Circuit

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