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AD7321
ABSOLUTE MAXIMUM RATINGS
T
A
= 25°C, unless otherwise noted
Table 4.
Parameter
V
DD
to AGND, DGND
V
SS
to AGND, DGND
V
DD
to V
CC
V
CC
to AGND, DGND
V
DRIVE
to AGND, DGND
AGND to DGND
Analog Input Voltage to AGND
Digital Input Voltage to DGND
Digital Output Voltage to GND
REFIN to AGND
Input Current to Any Pin
Except Supplies
2
Operating Temperature Range
Storage Temperature Range
Junction Temperature
TSSOP Package
θ
JA
Thermal Impedance
θ
JC
Thermal Impedance
Pb-Free Temperature, Soldering
Reflow
ESD
1
If the analog inputs are driven from alternative V
DD
and V
SS
supply circuitry,
Schottky diodes should be placed in series with the AD7321’s V
DD
and V
SS
supplies.
2
Transient currents of up to 100 mA do not cause SCR latch-up.
Rev. 0 | Page 8 of 36
Rating
0.3 V to +16.5 V
+0.3 V to 16.5 V
V
CC
0.3 V to 16.5 V
0.3 V to +7 V
0.3 V to +7 V
0.3 V to +0.3 V
V
SS
0.3 V to V
DD
+ 0.3 V
0.3 V to +7 V
0.3 V to V
DRIVE
+ 0.3 V
0.3 V to V
CC
+ 0.3 V
±10 mA
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.
1
40°C to +85°C
65°C to +150°C
150°C
113.5°C/W
30°C/W
260(0)°C
2.5 kV
ESD CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on
the human body and test equipment and can discharge without detection. Although this product features
proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy
electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance
degradation or loss of functionality.
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