AD8332 AD [Analog Devices], AD8332 Datasheet - Page 28

• Manufacturer Part Number: AD8332
• Description: Ultralow Noise VGAs with Preamplifier and Programmable RIN
• Manufacturer: AD [Analog Devices]

AD8331/AD8332
EXT CLOCK
C86
0.1µF
3
+5V
+3.3VCLK
ADP3339AKC-3.3
S2
SG-636PCE
IN
20MHz
49.9Ω
GND
V
4
R17
DD
2
OUT
OUT
TAB
2
OUT
VR1
OE
U6
GND
1
+
1
3
0.1µF
C63
C47
10µF
6.3V
C44
+
1µF
JP 4
+3.3VCLK
120nH FB
120nH FB
120nH FB
120nH FB
2
3
EXT
INT
1
L5
L4
L3
L2
R18
499Ω
R16
5kΩ
R19
499Ω
+3.3VAVDD
+3.3VDVDD
+3.3VADDIG
+3.3VCLK
3
5
74VHC04
0.1µ
0.1µ
0.1µ
0.1
C31
C30
C29
74VHC04
C1
U5
SPARES
µ
U5
F
F
F
F
VREF
4
6
ADCLK
V
V
V
V
IN
IN
0.1µF
0.1µF
IN
IN
+_A
–_A
C35
C36
0.1µF
0.1µF
C38
C37
–B
+B
1.5kΩ
13
11
1.5kΩ
74VHC04
R12
1
9
74VHC04
74VHC04
U5
74VHC04
U5
4.7kΩ
U5
U5
JP 3
R20
10
12
8
2
ADCLK
10µF
R4
1.5kΩ
+
1.5kΩ
Figure 77. Converter Schematic
6.3V
TP 13
C34
0.1µF
10µF
6.3V
C33
JP 1
C20
4.7kΩ
JP 11
TP 12
1
33Ω
33Ω
33Ω
33Ω
R41
R5
R6
R8
R7
Rev. C | Page 28 of 32
DATA
0.1µF
CLK
0.1µF
2
C17
10µF
C39
C16
C19
1nF
3
C32
0.1µF
0.1µF
10µF
6.3V
C40
18pF
R9
0Ω
C2
C62
TP 9
+3.3VADDIG
18pF
C61
C18
1nF
+
C15
1nF
+
+3.3VAVDD
C12
10µF
6.3V
D3_B
D4_B
D5_B
D0_B
D1_B
D2_B
10nF
10nF
DNC
DNC
0.1µF
C52
C57
C26
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
2
3
4
5
6
7
8
9
AGND
VIN+_A
VIN –_A
AGND
AVDD
REFT_A
REFB_A
VREF
SENSE
REFB_B
REFT_B
AVDD
AGND
VIN –_B
VIN+_B
AGND
AVDD
CLK_B
DCS
DFS
PDWN_B
OEB_B
DNC
DNC
D0_B
D1_B
D2_B
DRGND
DRVDD
D3_B
D4_B
D5_B
C22
0.1µF
C24
1nF
SHARED_REF
MUX_SELECT
D11_A(MSB)
D11_B(MSB)
PDWN_A
OTRA_A
OTRB_B
DRGND
DRGND
DRVDD
DRVDD
OEB_A
C21
1nF
CLK_A
D10_A
D10_B
AVDD
D9_A
D8_A
D7_A
D6_A
D5_A
D4_A
D3_A
D2_A
D1_A
D0_A
D9_B
D8_B
D7_B
D6_B
DNC
DNC
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
ADCLK
R10
0Ω
R15
0Ω
4.7kΩ
R14
D7_A
D6_A
D5_A
D4_A
D3_A
D2_A
D1_A
D0_A
DNC
DNC
OTR_A
D11_A
D10_A
D9_A
D8_A
OTR_B
D8_B
D7_B
D6_B
D11_B
D10_B
D9_B
C13
1nF
Y
R11
100Ω
C23
0.1µF
SHARED
+3.3VADDIG
JP 2
REF
N
C14
0.1µF
+3.3VADDIG
C25
1nF
+
C11
10µF
6.3V