AD8331ARQ-REEL7 Analog Devices Inc, AD8331ARQ-REEL7 Datasheet - Page 35
![IC VGA SINGLE W/PREAMP 20-SSOP](/photos/7/2/70250/rq-20_sml.jpg)
AD8331ARQ-REEL7
Manufacturer Part Number
AD8331ARQ-REEL7
Description
IC VGA SINGLE W/PREAMP 20-SSOP
Manufacturer
Analog Devices Inc
Series
X-AMP®r
Type
Variable Gain Amplifierr
Datasheet
1.AD8331ARQZ.pdf
(56 pages)
Specifications of AD8331ARQ-REEL7
Rohs Status
RoHS non-compliant
Design Resources
Interfacing the High Frequency AD8331 to AD9215 (CN0096)
Applications
Signal Processing
Mounting Type
Surface Mount
Package / Case
20-QSOP
For Use With
AD8331-EVALZ - BOARD EVAL FOR AD8331
V
V
IN
IN
C66
SAT
+B
–B
GND
TB1
+5V
TB2
OPTIONAL 4-POLE LOW-PASS
(BLACK)
TP4
(RED)
TP3
SAT
SAT
L19
L20
SAT
C67
FILTER
+5V
120nH FB
120nH FB
+
L7
L6
SAT
L17
SAT
L18
C46
1µF
+5VLNA
+5VGA
JP12
JP13
TP2 GAIN
TP7 GND
VCM1
(R
CLMP
CFB2
0.1µF
18nF
0.1µF
0.1µF
DC2L
C55
RFB2
C54
274Ω
DC2H
JP7
C51
R3
JP8
Figure 91. Schematic, TGC, VGA Section Using an
)
E
S3
IN2
0.1µF
L12
120nH FB
0.1µF
C69
120nH FB
120nH FB
C50
0.1µF
C83
1nF
22pF
+5VLNA
C80
C41
100Ω
100Ω
R27
TP5
L11
L10
R26
0.1µF
0.1µF
C48
C53
C68
1nF
0.1µF
C49
C74
JP5
1nF
IN2
C78
1nF
11
12
13
14
10
4
5
6
7
8
9
1
2
3
Rev. G | Page 35 of 56
+5VGA
LMD2
INH2
VPS2
LON2
LOP2
COM2
VIP2
VIN2
VCM2
GAIN
RCLMP
VOH2
VOL2
COMM
AD8332ARU
0.1µF
C45
COM1
LMD1
VCM1
VOH1
LON1
LOP1
VOL1
VPSV
VPS1
1nF
C85
HILO
INH1
VIN1
VIP1
ENB
28
27
26
25
24
23
22
21
20
19
18
17
16
15
+5VGA
+5VLNA
AD8332
C77
1nF
JP6
IN1
C70
0.1µF
ENABLE
JP16
DISABLE
120nH FB
120nF FB
C42
0.1µF
100Ω
0.1µF
R24
and
100Ω
R25
L9
L8
22pF
C43
C79
AD9238
VCM1
RFB1
274Ω
C59
0.1µF
CFB1
18nF
0.1µF
0.1µF
120nH FB
C58
JP10
C56
JP9
AD8331/AD8332/AD8334
+5VGA
HI GAIN
JP10
LO GAIN
L13
JP17
OPTIONAL 4-POLE LOW-PASS
0.1µF
C60
SAT
SAT
L14
L1
TP6
FILTER
SAT
C64
SAT
L15
SAT
L16
E
S1
IN1
V
C65
SAT
V
IN
IN
+A
–A