Datasheet

AD8331/AD8332/AD8334
Rev. G | Page 36 of 56
1
2
3
17
62
6
7
11
10
14
15
18
63
19
20
60
21
22
16
4
13
64
12
5
8
9
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
VREF
VIN+_A
VIN–_A
VIN–_B
VIN+_B
AVDD
REFT_A
REFB_A
SENSE
REFT_B
REFB_B
CLK_B
DCS
DFS
PDWN_B
OEB_B
AGND
AGND
AVDD
AVDD
AGND
AGND
D5_B
D4_B
D3_B
DRGND
D2_B
D1_B
D0_B
DNC
DNC
DRVDD
D10_A
D11_A
61
59
58
57
56
55
54
53
OTR_A
U1 A/D CONVERTER AD9238
D9_A
D8_A
D6_A
D7_A
D5_A
D4_A
D3_A
D2_A
D1_A
D0_A
DNC
DNC
D4_B
D3_B
D2_B
D1_B
D0_B
DNC
DNC
OTR_B
D11_B
D10_B
D9_B
D8_B
D7_B
D6_B
D5_B
20MHz
ADCLK
+3.3VCLK
ADCLK
+3.3VAVDD
V
IN
–_B
V
IN
+_B
+
+3.3VADDIG
SG-636PCE
14
3
2
U5
74VHC04
+
+
TP9
TP 12
4312
1213
1011
U5
74VHC04
U5
74VHC04
U5
74VHC04
U5
74VHC04
U5
74VHC04
SPARES
8965
TP 13
JP1
3
2
1
V
DD
OUT
GND
OE
JP4
S2
EXT CLOCK
+
JP11JP3
JP2
SHARED
REF
+3.3VADDIG
Y
MUX_SELECT
SHARED_REF
CLK_A
PDWN_A
AVDD
OTR_A
D11_A (MSB)
DRGND
D8_A
DRVDD
D7_A
D6_A
D5_A
D4_A
D3_A
D2_A
D1_A
D0_A
DRVDD
D10_A
DRGND
OTR_B
D9_A
D10_B
D9_B
D8_B
D7_B
D6_B
D11_B (MSB)
DNC
DNC
OEB_A
EXT
INT
V
IN
+_A
V
IN
–_A
N
DATA
CLK
VREF
C11
10µF
6.3V
C14
0.1µF
C23
0.1µF
C25
1nF
R14
4.7k
R11
100
R10
0
R15
0
C22
0.1µF
C21
1nF
C86
0.1µF
C47
10µF
6.3V
ADCLK
C2
10µF
6.3V
C18
1nF
C17
0.1µF
C52
10nF
C57
10nF
C61
18pF
C40
0.1µF
R5
33
R6
33
R4
1.5k
R12
1.5k
1.5k1.5k
C12
10µF
6.3V
R9
0
R8
33
R7
33
C19
1nF
C20
0.1µF
C63
0.1µF
C26
0.1µF
C24
1nF
C33
10µF
6.3V
C38
0.1µF
C16
0.1µF
C62
18pF
C15
1nF
C35
0.1µF
C36
0.1µF
C37
0.1µF
R20
4.7k
R17
49.9
R41
4.7k
+3.3VCLK
R19
499
R16
5k
R18
499
+
+3.3VADDIG
3
2
1
C32
0.1µF
C39
10µF
C34
10µF
6.3V
C44
1µF
C31
0.1µF
C30
0.1µF
C29
0.1µF
C1
0.1µF
OUT
V
R1
ADP3339AKC-3.3
L2
120nH FB
L3
120nH FB
L4
120nH FB
L5
120nH FB
IN
OUT
GND
312
TAB
+
+5V
03199-092
C13
1nF
U6
Figure 92. Converter Schematic, TGC Using an AD8332 and AD9238