AD420
Rev. H | Page 5 of 16
ABSOLUTE MAXIMUM RATINGS
Table 2.
Parameter
Rating
VCC to GND
32 V
IOUT to GND
VCC
Digital Inputs to GND
0.5 V to +7 V
Digital Output to GND
0.5 V to VLL + 0.3 V
VLL 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
θJA = 75°C/W
PDIP (N) Package
θJA = 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
Normal operation
1
X
Output at bottom of
span
X
0
0 V–5 V range
X
0
1
4 mA–20 mA range
X
1
0
0 mA–20 mA range
X
1
0 mA–24 mA range
ESD CAUTION