AD6644
ABSOLUTE MAXIMUM RATINGS
EXPLANATION OF TEST LEVELS
Test Level
Table 6.
Parameter
Rating
Electrical
AVCC Voltage
DVCC Voltage
I. 100% production tested.
0 V to 7 V
0 V to 7 V
0 V to AVCC
2ꢀ mA
0 V to AVCC
4 mA
II. 100% production tested at 25°C, and guaranteed by design
and characterization at temperature extremes.
III. Sample tested only.
Analog Input Voltage
Analog Input Current
Digital Input Voltage
Digital Output Current
Environmental
Operating Temperature Range (Ambient)
Storage Temperature Range (Ambient)
Lead Temperature (Soldering, 10 sec)
Maximum Junction Temperature
IV. Parameter is guaranteed by design and characterization
testing.
V. Parameter is a typical value only.
THERMAL RESISTANCE
−2ꢀ°C to +8ꢀ°C
1ꢀ0°C
300°C
The following measurements were taken on a 6-layer board in
still air with a solid ground plane.
−6ꢀ°C to +1ꢀ0°C
Table 7. Thermal Resistance
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.
Package Type
θJA
θJC
Unit
ꢀ2-lead LQFP
33
11
°C/W
ESD CAUTION
Rev. D | Page 7 of 24