參數(shù)資料
型號: AD9218
廠商: Analog Devices, Inc.
英文描述: 10-Bit, 40/65/80/105 MSPS 3 V Dual A/D Converter
中文描述: 10位,40/65/80/105 MSPS的3伏雙A / D轉(zhuǎn)換
文件頁數(shù): 18/24頁
文件大?。?/td> 1591K
代理商: AD9218
REV. 0
AD9218
–18–
1A
1B
1Y
2A
2B
2Y
GND
1
2
3
4
5
6
7
14
13
12
11
10
9
8
V
CC
4B
4A
4Y
3B
3A
3Y
U5
74LCX86
GND
C13
0.1 F
V
DL
V
DL
V
DL
CLKLATB
E11
E5
E4
E44
GND
E15
E12
GND
CLKDACB
P23
TIEB
P22
ENC
B
P20 P21
ENC
B
E13
E16
E14
J2
ENCODE B
GND
GND
R7
50
E49
E48
E50
GND
V
DL
GND
V
DL
TIEB
GND
DRB
DUT CLOCK SELECTABLE TO BE DIRECT OR BUFFERED
1A
1B
1Y
2A
2B
2Y
GND
1
2
3
4
5
6
7
14
13
12
11
10
9
8
V
CC
4B
4A
4Y
3B
3A
3Y
U8
74LCX86
GND
C25
0.1 F
V
DL
V
DL
V
DL
E40
E3
E41
GND
E39 E38
E37
GND
DRA
P13
TIEA
P14
ENC
A
P12 P19
ENC
A
E35
E36
E34
J7
ENCODE A
GND
GND
R11
50
E46
E45
E47
GND
V
DL
GND
V
DL
TIEA
GND
CLKLATA
DUT CLOCK SELECTABLE TO BE DIRECT OR BUFFERED
GND
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
4
4
4
4
4
4
4
4
4
3
3
3
1
1
1
1
1
1
1
2
2
2
2
2
AD9218
U1
GND
A
IN
A
A
IN
AB
DFS/GAIN
REF
IN
A
REF
OUT
REF
IN
B
S1
S2
A
IN
B
A
IN
B
GND
V
D
E
A
V
D
G
D
D
D
D
D
D
D
D
V
D
E
B
V
D
G
D
D
D
D
D
D
D
D
D1A
D0A
GND
V
DD
GND
V
D
V
D
GND
V
DD
GND
D0B
D1B
E1
E18
E20
E17
VREFA
VREFB
E24
E19
E21
E30
A
IN
AB
GND
A
IN
A
REF
OUT
E2E27
GND
E25
GND
E29
E22
E28
E26
GND
V
D
GND
GND
6
5
4
GND
1
2
3
C31
0.1 F
6
5
4
GND
1
2
3
C30
0.1 F
GND
GND
C10
0.1 F
C9
0.1 F
C12
0.1 F
R1
25
R2
25
R4
25
C11
0.1 F
R3
25
R32
0
R39
0
GND
GND
J5
A
IN
A
SINGLE-ENDED
GND
J4
A
A
DIFFERENTIAL
GND
J6
A
B
DIFFERENTIAL
GND
J1
A
IN
B
SINGLE-ENDED
GND
C37
10 F
5
C38
10 F
V
D
C16
10 F
V
D
C17
10 F
V
D
C18
10 F
V
C19
10 F
C26
10 F
V
+
4
G
3
+
2
5
1
G
P
P
P
4
G
3
G
2
V
1
V
4
V
D
3
V
D
2
1
G
V
D
GND
D0B
D1B
C1
0.1 F
V
DD
GND
C3
0.1 F
GND
GND
GND
V
D
GND
D1A
D0A
GND
C4
0.1 F
V
DD
GND
G
D
D
D
D
D
D
D
D
GND
C8
0.1 F
GND
C7
0.1 F
V
D
ENC
A
V
DD
GND
C5
0.1 F
GND
C6
0.1 F
V
D
ENC
B
V
DD
G
D
D
D
D
D
D
D
D
C24
0.1 F
GND
REF
IN
B
C27
0.1 F
GND
REF
IN
A
H
M
GND
H
M
H
M
H
M
E9
V
D
E10
V
DD
E32
V
DD
E31
V
DL
OPTIONAL INPUT PATH FOR OPAMP OR SINGLE-ENDED
OPTIONAL INPUT PATH FOR OPAMP OR SINGLE-ENDED
A
IN
B
A
IN
BB
V
D
V
D
E23
C15
0.1 F
GND
R6
50
C14
0.1 F
GND
R5
50
T2
R33
00
R35
00
AMP
IN
A
R36
0
GND
R34
50
AMP
IN
B
R38
0
GND
R37
50
T1
Figure 17a. PCB Schematic
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