AD8332 AD [Analog Devices], AD8332 Datasheet - Page 27

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

V
V
IN
IN
C66
SAT
VREF
GND
–B
TB1
+5V
TB2
+B
(BLACK)
R23
2kΩ
OPTIONAL 4-POLE LOW-PASS
TP4
(RED)
TP3
SAT
SAT
L19
L20
3
2
FILTER
SAT
C67
+5V
120nH FB
120nH FB
C71 1nF
7
1kΩ
R22
+
L7
L6
4
C46
1µF
SAT
L17
SAT
AD8541
6
L18
VCM
0.1µF
+5VLNA
+5VGA
JP12
JP14
JP13
VCM1
TP2 GAIN
TP7 GND
(R
CLMP
CFB2
18nF
0.1µF
DC2L
RFB2
DC2H
0.1µF
0.1µF
274Ω
JP7
C51
R3
JP8
C54
C55
)
E
S3
IN2
0.1µF
L12
120nH FB
0.1µF
C69
120nH FB
120nH FB
C50
0.1µF
22PF
C83
1nF
+5VLNA
C80
C41
100Ω
100Ω
R27
L11
L10
TP5
0.1µF
0.1µF
C48
R26
C53
C68
1nF
0.1µF
C49
JP5
C74
1nF
IN2
Figure 76. Schematic, TGC, VGA Section
C78
1nF
11
12
13
14
10
4
5
6
7
8
9
1
2
3
+5VGA
Rev. C | Page 27 of 32
LMD2
INH2
VPS2
LON2
LOP2
COM2
VIP2
VIN2
VCM2
GAIN
CLMP
VOH2
VOL2
COM
AD8332ARU
0.1µF
C45
COM1
VCM1
LMD1
LON1
VOH1
VPSV
1nF
VPS1
LOP1
VOL1
C85
HILO
INH1
VIP1
VIN1
ENB
28
27
26
25
24
23
22
21
20
19
18
17
16
15
+5VGA
+5VLNA
C77
1nF
JP6
IN1
C70
0.1µF
DISABLE
ENABLE
JP16
120nH FB
120nF FB
C42
0.1µF
100Ω
100Ω
0.1µF
R24
R25
L8
L9
22 PF
C43
C79
VCM1
RFB1
274Ω
C59
0.1µF
CFB1
18nF
0.1µF
0.1 µF
120nH FB
JP10
C58
C56
JP9
+5VGA
HI GAIN
JP10
LO GAIN
L13
JP17
0.1µF
C60
SAT
SAT
L14
L1
OPTIONAL 4-POLE LOW-PASS
TP6
AD8331/AD8332
SAT
C64
FILTER
SAT
L15
SAT
L16
E
S1
IN1
V
C65
SAT
V
IN
IN
+A
–A