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參數資料
| 型號： | AD7841BS |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | DAC |
| 英文描述： | Octal 14-Bit, Parallel Input, Voltage-Output DAC |
| 中文描述： | PARALLEL, WORD INPUT LOADING, 31 us SETTLING TIME, 14-BIT DAC, PQFP44 |
| 封裝： | PLASTIC, MQFP-44 |
| 文件頁數： | 4/12頁 |
| 文件大?。?/td> | 151K |
| 代理商： | AD7841BS |
AD7841
–4–
REV. 0
ABSOLUTE MAXIMUM RATINGS
1, 2
(T
A
= +25
°
C unless otherwise noted)
V
CC
to GND
3
. . . . . . . . . . . . . . .–0.3 V, +7 V or V
DD
+ 0.3 V
(Whichever Is Lower)
V
DD
to GND . . . . . . . . . . . . . . . . . . . . . . . . . . .–0.3 V, +17 V
V
SS
to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . .+0.3 V, –17 V
Digital Inputs to GND . . . . . . . . . . . . . . –0.3 V, V
CC
+ 0.3 V
V
REF
(+) to V
REF
(–) . . . . . . . . . . . . . . . . . . . . . .–0.3 V, +18 V
V
REF
(+) to GND . . . . . . . . . . . . . . . V
SS
– 0.3 V, V
DD
+ 0.3 V
V
REF
(–) to GND . . . . . . . . . . . . . . . V
SS
– 0.3 V, V
DD
+ 0.3 V
DUTGND to GND . . . . . . . . . . . . . V
SS
– 0.3 V, V
DD
+ 0.3 V
V
OUT
(A–H) to GND . . . . . . . . . . . . V
SS
– 0.3 V, V
DD
+ 0.3 V
Operating Temperature Range
Industrial (A Version) . . . . . . . . . . . . . . . . –40
°
C to +85
°
C
Storage Temperature Range . . . . . . . . . . . . –65
°
C to +150
°
C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . .+150
°
C
MQFP Package
Power Dissipation . . . . . . . . . . . . . . . . . . (T
J
Max – T
A
)/
θ
JA
θ
JA
Thermal Impedance . . . . . . . . . . . . . . . . . . . . . 95
°
C/W
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . .+215
°
C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . .+220
°
C
ESD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >4000 V
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 indicated in the operational
section of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
2
Transient currents of up to 100 mA will not cause SCR latch-up.
3
V
CC
must not exceed V
DD
by more than 0.3 V. If it is possible for this to happen
during power supply sequencing, the following diode protection scheme will ensure
protection.
V
DD
ORDERING GUIDE
Linearity
Error
(LSBs)
±
4
±
2
Temperature
Range
–40
°
C to +85
°
C
–40
°
C to +85
°
C
DNL
(LSBs)
Package
Description
Package
Option
Model
AD7841AS
AD7841BS
–0.9/+2
±
1
Plastic Quad Flatpack (MQFP)
Plastic Quad Flatpack (MQFP)
S-44
S-44
PIN CONFIGURATION
3
4
5
6
7
1
2
10
11
8
9
40
39
38
41
42
43
44
36
35
34
37
PIN 1
TOP VIEW
(Not to Scale)
12
13
14
15
16
D
17
18
19
20
21
22
29
30
31
32
33
27
28
25
26
23
24
DUTGND_GH
V
OUT
H
V
REF
(–)GH
V
REF
(+)GH
CLR
DB13
DB12
AD7841
DUTGND_AB
V
OUT
A
V
REF
(–)AB
V
REF
(+)AB
V
DD
V
SS
LDAC
A2
A1
A0
CS
DB11
DB10
DB9
DB8
D
V
O
B
V
O
C
D
V
O
D
V
D
V
O
E
D
V
O
F
V
O
G
D
D
D
D
W
V
C
G
D
D
V
R
(
V
R
(
V
DD
V
CC
AD7841
HP5082-2811
V
CC
IN4148
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