Low-Voltage, Single 8-to-1 and

Dual 4-to-1 Cal-Multiplexers

16

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CAL,

GND

LATCH,

EN

+5V

-5V

V+

A2

V-

A1

A0

NO8

MAX4539

CHANNEL

SELECT

NO1

COM

1MHz

CAPACITANCE

ANALYZER

f = 1MHz

CAL,

GND

LATCH,

EN

+5V

-5V

V+

V-

A1

A0

NO4A

MAX4540

CHANNEL

SELECT

NO1A

COMA

1MHz

CAPACITANCE

ANALYZER

f = 1MHz

Figure 6. NO_/COM_ Capacitance

Test Circuits/Timing Diagrams (continued)

LATCH

ADDRESS (A_)

50%

50%

V+

V-

GND

V+

V-

A1

A2

CAL

EN

+3V

COM

LATCH

A0

MAX4539

NO2

NO1, NO3-NO8

Figure 7. Setup Time, Hold Time, Latch Pulse Width

Figure 8. Enable Setup Time

LATCH

EN

50%

50%

50%