DG9408 datasheet(6/12 Pages) VISHAY

Part #	DG9408

Description	Precision 8-Ch/Dual 4-Ch Low Voltage Analog Multiplexers

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Manufacturer	VISHAY [Vishay Siliconix]

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DG9408/9409

Vishay Siliconix

New Product

www.vishay.com

6

Document Number: 71870

S-21060—Rev. A, 05-Aug-02

SPECIFICATIONS (SINGLE SUPPLY 3 V)

Test Conditions

Unless Otherwise Specified

Limits

-40 to 85

_C

Parameter

Symbol

V+ = 3 V,

"10%, V- = 0 V

VEN = 0.4 V or 1.8 Vf

Tempb

Minc

Typd

Maxc

Unit

Analog Switch

Analog Signal Rangee

VANALOG

Full

0

3

V

On-Resistance

rON

V+ = 2.7 V, VD = 0.5 or 2.2 V, IS = 5 mA

Room

Full

12

25.5

26.5

rON Match Between Channelsg

DrON

Room

3.6

W

On-Resistance Flatnessi

rON

Flatness

V+ =

"2.7 V, VD = 0.5 V or 2.2 V, IS = 5 mA

Room

13

IS(off)

V+ = 3.3 V

Room

Full

-2

-15

2

15

Switch Off Leakage Current a

ID(off)

V+ = 3.3 V

VS = 2 or 1 V, VD = 1 or 2 V

Room

Full

-2

-15

2

15

nA

Channel On Leakage Currenta

ID(on)

V+ = 3.3 V

VD = VS = 1 or 2 V, Sequence Each Switch On

Room

Full

-2

-15

2

15

Digital Control

Logic High Input Voltage

VINH

Full

1.8

Logic Low Input Voltage

VINL

Full

0.4

V

Input Current a

IIN

VAX = VEN = 1.8 V or 0.4 V

Full

-1

1

mA

Dynamic Characteristics

Transition Time

tTRANS

VS1 = 1.5 V, VS8 = 0 V, (DG9408)

VS1b = 1.5 V, VS4b = 0 V, (DG9409)

See Figure 2

Room

Full

140

165

182

Break-Before-Make Time

tBBM

VS(all) = VDA = 1.5 V

See Figure 4

Room

Full

2

63

ns

Enable Turn-On Time

tON(EN)

VAX = 0 V, VS1 = 1.5 V (DG9408)

Room

Full

140

162

178

ns

Enable Turn-Off Time

tOFF(EN)

VAX = 0 V, VS1b = 1.5 V (DG9409)

See Figure 3

Room

Full

76

97

104

Charge Injectione

Q

CL = 1 nF, RGEN = 0 W, VGEN = 0 V

Room

7

pC

Off Isolatione, h

OIRR

W

Room

-81

Crosstalke

XTALK

f = 100 kHz, RL = 1 kW

Room

-85

dB

DG9408

Room

23

Source Off Capacitancee

CS(off)

f = 1 MHz, VS = 0 V, VEN = 1.8 V

DG9409

Room

25

DG9408

Room

230

Drain Off Capacitancee

CD(off)

f = 1 MHz, VD = 0 V, VEN = 1.8 V

DG9409

Room

120

pF

DG9408

Room

256

Drain On Capacitancee

CD(on)

f = 1 MHz, VD = 0 V, VEN = 0 V

DG9409

Room

147

Power Supplies

Power Supply Current

I+

VEN = VA = 0 V or V+

Room

1.0

mA

Notes

a.

Leakage parameters are guaranteed by worst case test condition and not subject to production test.

b.

Room = 25

_C, Full = as determined by the operating temperature suffix.

c.

The algebraic convention whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet.

d.

Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.

e.

Guaranteed by design, not subject to production test.

f.

VIN = input voltage to perform proper function.

g.

DrDON = rDON Max - rDON Min.

h.

Worst case isolation occurs on Channel 4 do to proximity to the drain pin.

i.

rDON flatness is measured as the difference between the minimum and maximum measured values across a defined Analog signal.

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