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AD6645-80-PCB 开发手册 - ADI（亚德诺）
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AD6645-80-PCB数据手册
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REV. B
–5–
AD6645
THERMAL CHARACTERISTICS
52-Lead Power Quad 4 LQFP_PQ4
JA
= 23°C/W Soldered Slug, No Airflow
JA
= 17°C/W Soldered Slug, 200 LFPM Airflow
JA
= 30°C/W Unsoldered Slug, No Airflow
JA
= 24°C/W Unsoldered Slug, 200 LFPM Airflow
JC
= 2°C/W Bottom of Package (Heatslug)
Typical 4-Layer JEDEC Board Horizontal Orientation
ORDERING GUIDE
Model Temperature Range Package Description Package Option
AD6645ASQ-80 –40°C to +85°C (Ambient) 52-Lead PowerQuad 4 (LQFP_PQ4) SQ-52
AD6645ASQ-105 –10°C to +85°C (Ambient) 52-Lead PowerQuad 4 (LQFP_PQ4) SQ-52
AD6645-80/PCB Evaluation Board
AD6645-105/PCB Evaluation Board
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 the AD6645
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.
ABSOLUTE MAXIMUM RATINGS*
Parameter Min Max Unit
ELECTRICAL
AV
CC
Voltage 0 7 V
DV
CC
Voltage 0 7 V
Analog Input Voltage 0 AV
CC
V
Analog Input Current 25 mA
Digital Input Voltage 0 AV
CC
V
Digital Output Current 4 mA
ENVIRONMENTAL
-80 Operating Temperature Range (Ambient) –40 +85 °C
-105 Operating Temperature Range (Ambient) –10 +85 °C
Maximum Junction Temperature 150 °C
Lead Temperature (Soldering, 10 sec) 300 °C
Storage Temperature Range (Ambient) –65 +150 °C
* Absolute maximum ratings are limiting values to be applied individually and beyond which the serviceability
of the circuit may be impaired. Functional operability is not necessarily implied. Exposure to absolute
maximum rating conditions for an extended period of time may affect device reliability.
EXPLANATION OF TEST LEVELS
Test Level
I. 100% production tested.
II. 100% production tested at 25°C and guaranteed by design
and characterization at temperature extremes.
III. Sample tested only.
IV. Parameter is guaranteed by design and characterization
testing.
V. Parameter is a typical value only.
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