參數(shù)資料
型號: AD7418AR-REEL
廠商: ANALOG DEVICES INC
元件分類: ADC
英文描述: 10-Bit Digital Temperature Sensor (AD7416) and Single/Four-Channel ADC (AD7417/AD7418)
中文描述: 1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
封裝: MS-012AA, SOIC-8
文件頁數(shù): 6/20頁
文件大?。?/td> 325K
代理商: AD7418AR-REEL
REV. G
–6–
AD7416/AD7417/AD7418
ABSOLUTE MAXIMUM RATINGS
1
(T
A
= 25
°
C, unless otherwise noted.)
V
DD
to AGND . . . . . . . . . . . . . . . . . . . . . . . . .
0.3 V to +7 V
V
DD
to DGND . . . . . . . . . . . . . . . . . . . . . . . . .
0.3 V to +7 V
Analog Input Voltage to AGND
A
IN1
to A
IN4
. . . . . . . . . . . . . . . . . . .
0.3 V to V
DD
+ 0.3 V
Reference Input Voltage to AGND
2
. .
0.3 V to V
DD
+ 0.3 V
Digital Input Voltage to DGND . . . . .
0.3 V to V
DD
+ 0.3 V
Digital Output Voltage to DGND . . . .
0.3 V to V
DD
+ 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 V
DD
pin. The
diagram below shows how the diode should be connected.
REF
IN
V
DD
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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