Datasheet

AD420
Rev. H | Page 5 of 16
ABSOLUTE MAXIMUM RATINGS
Table 2.
Parameter Rating
V
CC
to GND 32 V
I
OUT
to GND V
CC
Digital Inputs to GND −0.5 V to +7 V
Digital Output to GND −0.5 V to V
LL
+ 0.3 V
V
LL
and REF OUT: Outputs Safe for
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 θ
JA
= 75°C/W
PDIP (N) Package θ
JA
= 50°C/W
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