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AD7418ARUZ Datasheet(PDF) 6 Page - Analog Devices

Part No. AD7418ARUZ
Description  10-Bit Digital Temperature Sensor (AD7416) and Single/Four-Channel ADC (AD7417/AD7418)
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD7418ARUZ Datasheet(HTML) 6 Page - Analog Devices

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REV. G
–6–
AD7416/AD7417/AD7418
ABSOLUTE MAXIMUM RATINGS
1
(TA = 25
°C, unless otherwise noted.)
VDD to AGND . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
VDD to DGND . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
Analog Input Voltage to AGND
AIN1 to AIN4 . . . . . . . . . . . . . . . . . . . –0.3 V to VDD + 0.3 V
Reference Input Voltage to AGND
2
. . –0.3 V to VDD + 0.3 V
Digital Input Voltage to DGND . . . . . –0.3 V to VDD + 0.3 V
Digital Output Voltage to DGND . . . . –0.3 V to VDD + 0.3 V
Operating Temperature Range
A Version . . . . . . . . . . . . . . . . . . . . . . . . . –40
°C to +125°C
B Version . . . . . . . . . . . . . . . . . . . . . . . . . . –40
°C to +85°C
Storage Temperature Range . . . . . . . . . . . . –65
°C to +150°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . 150
°C
TSSOP, Power Dissipation . . . . . . . . . . . . . . . . . . . . 450 mW
JA Thermal Impedance
. . . . . . . . . . . . . . . . . . . . . 120
°C/W
Lead Temperature, Soldering . . . . . . . . . . . . . . . . . . 260
°C
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . 215
°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
°C
16-Lead SOIC Package, Power Dissipation . . . . . . . . 450 mW
JA Thermal Impedance
. . . . . . . . . . . . . . . . . . . . . 100
°C/W
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . 215
°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
°C
8-Lead SOIC Package, Power Dissipation . . . . . . . . . 450 mW
JA Thermal Impedance
. . . . . . . . . . . . . . . . . . . . . 157
°C/W
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . 215
°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
°C
MSOP Package, Power Dissipation . . . . . . . . . . . . . . 450 mW
JA Thermal Impedance
. . . . . . . . . . . . . . . . . . . . . 206
°C/W
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . 215
°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
°C
NOTES
1 Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those listed in the operational
sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
2 If the reference input voltage is likely to exceed V
DD by more than 0.3 V (e.g.,
during power-up) and the reference is capable of supplying 30 mA or more, it is
recommended to use a clamping diode between the REF IN pin and VDD pin. The
diagram below shows how the diode should be connected.
REFIN
VDD
AD7417
BAT81
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
AD7416/AD7417/AD7418 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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