Datasheet

AD9280
–18–
U2
U2
AD822
U3
U3
JP5
JP17
JP18
J7
GND
R53
49.9V
R37
1kV
R38
1kV
R39
1kV
DRVDD
B
S3
2
1
3
3
A
1
B
2
S4
A
TP11
CLAMP
THREE-STATE
STBY
CW
C9
10/10V
+3–5A
C10
0.1mF
4
2
3
8
1
6
5
7
R18
316kV
R16
1kV
C29
0.1mF
Q2
2N3904
C14
0.1mF
C15
10/10V
TP17
EXTB
R20
178V
R19
178V
C12
0.1mF
C13
10/10V
CM
TP16
EXTT
Q1
2N3906
0.626V TO 4.8V
R17
316V
R15
1kV
C11
0.1mF
+3–5A
5
6
7
R13
11kV
R12
10kV
C8
10/10V
C7
0.1mF
8
1
4
2
3
+3–5A
R10
5kV
R11
15kV
CW
TP14
R8
10kV
R9
1.5kV
D1
AD1580
+3–5A
R7
5.49kV
XXXX
ADJ.
DUTCLK
THREE-STATE
STBY
REFSENSE
CLAMP
CLAMPIN
REFTS
REFTF
MODE
REFBF
REFBS
VREF
AIN
1
14
C33
10/10V
+
AD9280
CLK
THREE-STATE
STBY
REFSENSE
CLAMP
CLAMPIN
REFTS
REFTF
MODE
REFBF
REFBS
VREF
AIN
NC
NC
BIT0
BIT1
BIT2
BIT3
BIT4
BIT5
BIT6
BIT7
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
AVSS DRVSS
AVDD
C17
10/10V
AVDD
C16
0.1mF
C18
10/10V
C19
0.1mF
DRVDD
28
OTR
TP19
3
4
5
6
7
8
9
10
11
12
15
16
17
18
19
20
21
22
23
24
25
26
27
21
17
15
RN1
22V
RN1
22V
RN1
22V
RN1
22V
RN2
22V
RN2
22V
RN2
22V
RN1
22V
RN1
22V
RN2
22V
RN2
22V
RN2
22V
1
5
7
9
11
13
27
25
3
2
4
6
8
10
12
14
16
18
20
22
24
26
39
28
29
30
31
32
34
35
36
37
38
40
NC
NC
NC
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
J8
CLK
CLK_OUT
+3–5D
GND
+3–5D
+3–5D
GND
GND
C20
0.1mF
JP21
3
2
1
1
2
3
B
A
S2
C21
0.1mF
C43
0.1mF
GND
321
JP20
GND
GND
GND
GND
C41
0.1mF
74LVXC4245WM
74LVXC4245WM
C40
0.1mF
GND
DRVDD
CLK
DRVDD
D5
D6
D7
D8
D9
D0
D1
D2
D3
D4
16
15
21
20
19
18
17
14
24
23
22
13
19
20
21
18
17
16
15
14
24
23
22
13
5
4
3
6
7
8
9
10
1
2
11
12
8
9
3
4
5
6
7
10
1
2
11
12
B
U4
A
B
U4
A
B
U4 A
B
U4 A
BU4A
B
U4 A
B
U4 A
B
U4 A
B
U5
A
B
U5
A
B
U5
A
B
U5
A
B
U5
A
B
U5
A
B
U5
A
B
U5
A
VCCB
VCCA
NC1
T/R
OE
OE
GD2
GD1
U4
GD3
VCCB
VCCA
NC1
T/R
GD2
GD1
U5
GD3
OTR
U1
2
710
611
5
12
DRVDD
413
2
15
116
611
5
12
4
13
3
14
2
15
1
16
13
WHITE
WHITE
C42
0.1mF
23
33
19
NOTE:
THE AD9280 IS EXERCISED IN
AN AD9200 EVALUATION BOARD
XXXX
ADJ.
AD822
AD822
AD822
Figure 39a. Evaluation Board Schematic
REV. E