DG421CSLASHD datasheet(6/12 Pages) MAXIM

Part #	DG421C/D

Description	Improved Low-Power, CMOS Analog Switches with Latches

PDF	12 Pages

Scroll/Zoom	100%

Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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6 / 12 page

Improved Low-Power,

CMOS Analog Switches with Latches

_______________________________________________________________________________________

-15V

(

)

V-

VOUT

V+

+15V

+5V

GND

VD = 10V for tON

VD = -10V for tOFF

LOGIC

INPUT

REPEAT TEST FOR IN2 AND S2.

CL INCLUDES FIXTURE AND STRAY CAPACITANCE.

SWITCH OUTPUT

LOGIC

INPUT

SWITCH

OUTPUT

tR < 20ns

tF < 20ns

VOUT

tOFF

50%

NOTE: LOGIC INPUT WAVEFORM IS INVERTED FOR

SWITCHES THAT HAVE THE OPPOSITE LOGIC SENSE.

DG421

DG423

DG425

VOUT = VD

RL + rDS(ON)

0.9 x VOUT

-VOUT

tON

*VD = 10V for tON, VD = -10V for tOFF

Figure 2. Switching Time

VOUT

SWITCH

OUTPUT

1.5V

tWW

tDW

tWD

2.0V

0.8V

1.5V

tRS

tOFF(RS)

0.8 x VOUT

Figure 3. Latch Timing

VOUT is the steady-state output with the switch on. Feedthrough via switch capacitance may result in spikes at the

leading and trailing edge of the output waveform.

______________________________________________Timing Diagrams/Test Circuits

DG421C/D Datasheet(PDF) 6 Page - Maxim Integrated Products

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