AD420

Rev. H | Page 5 of 16

ABSOLUTE MAXIMUM RATINGS

Table 2.

Parameter

Rating

32 V

Digital Inputs to GND

−0.5 V to +7 V

Digital Output to GND

Indefinite Short to Ground

Storage Temperature

−65°C to +150°C

Lead Temperature (Soldering, 10 sec)

+300°C

Lead Temperature, Soldering Reflow

+260°C

Thermal Impedance:

SOIC (R) Package

PDIP (N) Package

Stresses above those listed under Absolute Maximum Ratings

may cause permanent damage to the device. This is a stress

rating only; functional operation of the device at these or any

other conditions above those indicated in the operational

section of this specification is not implied. Exposure to absolute

maximum rating conditions for extended periods may affect

device reliability.

Table 3. Truth Table

Inputs

CLEAR

Range

Select 2

Range

Select 1

Operation

0

X

X

Normal operation

1

X

X

Output at bottom of

span

X

0

0

0 V–5 V range

X

0

1

4 mA–20 mA range

X

1

0

0 mA–20 mA range

X

1

1

0 mA–24 mA range

ESD CAUTION