參數(shù)資料
型號： AD7884
廠商： Analog Devices, Inc.
英文描述： LC2MOS 16-Bit, High Speed Sampling ADCs
中文描述： LC2MOS 16位，高速采樣ADC
文件頁數(shù)： 5/16頁
文件大?。?/td> 319K
代理商： AD7884
AD7884/AD7885
REV. C
–5–
ABSOLUT E MAX IMUM RAT INGS
1
V
DD
to AGND . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
AV
DD
to AGND . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
V
SS
to AGND . . . . . . . . . . . . . . . . . . . . . . . . . +0.3 V to –7 V
AV
SS
to AGND . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to –7 V
AGND Pins to DGND . . . . . . . . . . . . –0.3 V to V
DD
+ 0.3 V
AV
DD
to V
DD2
. . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
AV
SS
to V
SS2
. . . . . . . . . . . . . . . . . . . . . . . . . . +0.3 V to –7 V
GND to DGND . . . . . . . . . . . . . . . . . –0.3 V to V
DD
+ 0.3 V
V
IN
S, V
IN
F to AGND . . . . . . . . . . V
SS
–0.3 V to V
DD
+ 0.3 V
V
REF+
to AGND . . . . . . . . . . . . . . . V
SS
–0.3 V to V
DD
+ 0.3 V
V
REF–
to AGND . . . . . . . . . . . . . . . V
SS
–0.3 V to V
DD
+ 0.3 V
V
INV
to AGND . . . . . . . . . . . . . . . V
SS
–0.3 V to V
DD
+ 0.3 V
Digital Inputs to DGND . . . . . . . . . . . –0.3 V to V
DD
+ 0.3 V
Digital Outputs to DGND . . . . . . . . . . –0.3 V to V
DD
+ 0.3 V
Operating T emperature Range
Commercial Plastic (A, B Versions) . . . . . –40
°
C to +85
°
C
Industrial Cerdip (A, B Versions) . . . . . . . . –40
°
C to +85
°
C
Extended Cerdip (T Versions) . . . . . . . . –55
°
C to +125
°
C
Storage T emperature Range . . . . . . . . . . . –65
°
C to +150
°
C
Lead T emperature (Soldering, 10 secs) . . . . . . . . . . . +300
°
C
Power Dissipation (Any Package) to +75
°
C . . . . . . . 1000 mW
Derates above +75
°
C by . . . . . . . . . . . . . . . . . . . . 10 mW/
°
C
1
Stresses above those listed under “Absolute Maximum Ratings” may cause
permanent damage to the device. T his is a stress rating only and 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 AD7884/AD7885 is being powered from separate analog and digital supplies,
AV
should always come up before V
SS
. See Figure 12 for a recommended
protection circuit using Schottky diodes.
WARNING!
ESD SENSITIVE DEVICE
C AUT ION
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 these devices feature proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high energy electrostatic discharges. T herefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
PIN CONFIGURAT IONS
DIP
DB2
DB1
DB0
DB13
DGND
DB11
AV
SS
V
DD
DB7
DB6
DB5
DB4
DB3
CS
RD
BUSY
DB8
DB9
DB10
DB12
V
DD
DB15
DB14
V
INV
V S
V F
V
REF–
AGNDS
AGNDF
AV
DD
V
SS
GND
V
SS
±
3V S
V
SS
CONVST
GND
1
2
3
4
5
6
7
8
9
10
40
39
38
37
36
35
34
33
32
31
TOP VIEW
(Not to Scale)
AD7884
30
29
28
27
26
25
24
23
22
21
11
12
13
14
15
16
17
18
19
20
±
3V F
±
5V S
±
5V F
1
2
3
7
28
27
26
22
8
9
10
21
20
19
11
12
18
17
4
5
25
24
6
23
TOP VIEW
(Not to Scale)
13
14
16
15
AD7885
AV
SS
V
DD
CS
RD
V
INV
V
REF–
AGNDS
AGNDF
AV
DD
GND
±
3V
IN
V
SS
CONVST
±
5V S
±
5V F
DB2
DB1
DB0
DGND
DB7
DB6
DB5
DB4
DB3
V S
V F
BUSY
HBEN
PLCC
±5V
IN
F
±
I
F
AD7884
TOP VIEW
(Not to Scale)
2
1
44
3
4
5
6
42
41
40
43
18
19
20
21
22
23
24
25
26
27
28
39
38
37
36
35
34
33
32
31
30
29
7
8
9
10
11
12
13
14
15
16
17
DGND
DB11
AV
DD
AV
SS
DB7
DB6
DB5
D
D
D
D
D
DB8
DB9
DB10
DB12
D
D
D
V
R
S
V
R
F
AGNDS
AGNDF
V
SS
GND
C
R
B
C
GND
V
I
V
R
±
I
S
±
I
S
NC
NC
N
N
NC = NO CONNECT
V
SS
V
DD
V
S
V
DD
AD7885A
TOP VIEW
(Not to Scale)
2
1
44
3
4
5
6
42
41 40
43
18
19
20
21
22
23
24
25
26
27
28
39
38
37
36
35
34
33
32
31
30
29
7
8
9
10
11
12
13
14
15
16
17
DGND
DB6
DB3
DB2
DB1
D
DB4
DB5
NC
DB7
V
DD
N
N
N
AGNDS
AGNDF
GND
C
R
B
H
C
GND
NC
NC
N
N
NC = NO CONNECT
N
N
N
N
±5V
IN
F
AV
DD
AV
SS
V
SS
V
SS
V
DD
±
I
F
V
R
S
V
R
F
V
I
V
R
±
I
S
±
I
S
相關(guān)PDF資料
PDF描述
AD7884AN LC2MOS 16-Bit, High Speed Sampling ADCs
AD7884AP LC2MOS 16-Bit, High Speed Sampling ADCs
AD7884BN LC2MOS 16-Bit, High Speed Sampling ADCs
AD7884BP LC2MOS 16-Bit, High Speed Sampling ADCs
AD7885 LC2MOS 16-Bit, High Speed Sampling ADCs
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