AD1985 查看數據表（PDF） - Analog Devices
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AD1985 Datasheet PDF : 48 Pages
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AD1985
ABSOLUTE MAXIMUM RATINGS
Table 15.
Parameter
Min Max
Unit
POWER SUPPLIES
Digital (DVDD)
Analog (AVDD)
INPUT CURRENT
(EXCEPT SUPPLY PINS)
ANALOG INPUT VOLTAGE
(SIGNAL PINS)
DIGITAL INPUT VOLTAGE
(SIGNAL PINS)
AMBIENT TEMPERATURE (OPERATING)
STORAGE TEMPERATURE
–0.3 +3.6
V
–0.3 +6.0
V
±10.0
mA
–0.3 AVDD + 0.3 V
–0.3 DVDD + 0.3 V
0 70
°C
–65 +150
°C
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.
ENVIRONMENTAL CONDITIONS
Ambient Temperature Rating
TCASE = Case Temperature in °C
PD = Power Dissipation in W
θJA = Thermal Resistance (Junction to Ambient)
θJC = Thermal Resistance (Junction to Case)
Table 16. Thermal Resistance
Package Type
θJA
θJC
LQFP
50.1°C/W
17.8°C/W
All measurements per EIA/JESD51 with 2S2P test board per EIA/JESD51-7.
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.
Rev. A | Page 10 of 48
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