ADG438F/ADG439F

–4–

REV. D

TERMINOLOGY

Most positive power supply potential.

Most negative power supply potential.

GND

Ground (0 V) reference.

Ohmic resistance between D and S.

∆R

ON

input voltage with a constant load current.

by one degree Celsius.

channels.

Source leakage current when the switch is

off.

Drain leakage current when the switch is off.

Channel leakage current when the switch is

on.

Analog voltage on terminals D, S.

Channel input capacitance for “OFF”

condition.

Channel output capacitance for “OFF”

condition.

“ON” switch capacitance.

Digital input capacitance.

Delay time between the 50% and 90% points

of the digital input and switch “ON”

condition.

Delay time between the 50% and 90% points

of the digital input and switch “OFF”

condition.

Delay time between the 50% and 90% points

of the digital inputs and the switch “ON”

condition when switching from one address

state to another.

“OFF” time measured between 80% points of

both switches when switching from one

address state to another.

Maximum input voltage for Logic “0”.

Minimum input voltage for Logic “1”.

Input current of the digital input.

Off Isolation

A measure of unwanted signal coupling

through an “OFF” channel.

Charge Injection

A measure of the glitch impulse transferred

from the digital input to the analog output

during switching.

Positive supply current.

Negative supply current.

Typical Performance Graphs

2000

1000

0

–15

–5

15

5

010

–10

500

1750

1500

1250

750

250

1m

1

1p

–50

–30

50

10

–20

20

–40

1n

30

40

100

10

10n

100n

10p

100p

–10

0

OPERATING RANGE

60

(Power Supplies OFF) During Overvoltage Conditions

1m

1

1p

–50

–30

50

10

–20

20

–40

1n

30

40

100

10

10n

100n

10p

100p

–10

0

OPERATING RANGE

60

(Power Supplies ON) During Overvoltage Conditions