參數(shù)資料
型號(hào)： AD7485BST
廠商： AMIC Technology Corporation
英文描述： 1 MSPS, Serial 14-Bit SAR ADC
中文描述： 1 MSPS的，串行14位SAR ADC
文件頁(yè)數(shù)： 4/16頁(yè)
文件大小： 769K
代理商： AD7485BST
REV. 0
–4–
AD7485
ABSOLUTE MAXIMUM RATINGS
*
(T
A
= 25
°
C, unless otherwise noted.)
V
DD
to GND . . . . . . . . . . . . . . . . . . . . . . . . . .
–
0.3 V to +7 V
V
DRIVE
to GND . . . . . . . . . . . . . . . . . . . . . . . .
–
0.3 V to +7 V
Analog Input Voltage to GND . . . . . .
–
0.3 V to AV
DD
+ 0.3 V
Digital Input Voltage to GND . . . . .
–
0.3 V to V
DRIVE
+ 0.3 V
REFIN to GND . . . . . . . . . . . . . . . .
–
0.3 V to AV
DD
+ 0.3 V
Input Current to Any Pin except Supplies . . . . . . . . .
±
10 mA
Operating Temperature Range
Commercial . . . . . . . . . . . . . . . . . . . . . . . .
–
40
°
C to +85
°
C
Storage Temperature Range . . . . . . . . . . . .
–
65
°
C to +150
°
C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . 150
°
C
PIN CONFIGURATION
36
35
34
33
32
31
30
29
28
27
26
25
13 14 15 16 17 18 19 20 21 22 23 24
A
D
1
2
3
4
5
6
7
8
9
10
11
12
48 47 46 45 44
39 38 37
43 42 41 40
PIN 1
TOP VIEW
(Not to Scale)
SMODE
TFS
DGND
DGND
V
DRIVE
DGND
DGND
DV
DD
DGND
DGND
DGND
DGND
AV
DD
C
BIAS
AGND
AGND
AV
DD
AGND
VIN
REFOUT
REFIN
REFSEL
AGND
AGND
AD7485
A
A
A
D
D
D
D
D
R
C
S
D
D
D
A
A
S
N
M
D
D
S
D
D
D
JA
Thermal Impedance . . . . . . . . . . . . . . . . . . . . . . . 50
°
C/W
JC
Thermal Impedance . . . . . . . . . . . . . . . . . . . . . . . 10
°
C/W
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . . 215
°
C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
°
C
ESD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 kV
*
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 condi-
tions for extended periods may affect device reliability.
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 AD7485
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.
WARNING!
ESD SENSITIVE DEVICE
ORDERING GUIDE
Model
Temperature Range
–
40
°
C to +85
°
C
Package Description
Option
AD7485BST
Low Profile Quad Flatpack
ST-48
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