ad8260 Analog Devices, Inc., ad8260 Datasheet - Page 29

• Manufacturer Part Number: ad8260
• Description: High Current Driver Amplifier And Digital Vga/preamplifier With 3 Db Steps
• Manufacturer: Analog Devices, Inc.

VPS
VGAN
VGAP
–VS
+VS
ENABLE
120 nH
TX_EN
L1
FB
DIS
DIS
453Ω
453Ω
EN
EN
R1
R2
VPSB
120nH
120nH
FB
FB
L2
L3
VMDO
0.1µF
0.1µF
C23
C10
VPSB
ENBL
TXEN
VMDI
R 4
0.1µF
VGA _ OUT
C14
C13
0.1µF
C15
0.1µF
0.1µF
0.1µF
C16
C22
Figure 70. AD8260 Evaluation Board—Schematic Diagram
1
2
3
4
5
6
7
8
R 16
VMDO
TXEN
VMDI
VNCM
VPSB
ENBL
VGAP
VGAN
VNGR
0.1µF
VOCM
32
C19
9
R19
0Ω
31
10
R17
INRP
49.9Ω
R12
30
11
Rev. 0 | Page 29 of 32
INR
INP
29
12
AD8260
49.9Ω
GNS1
GNS2
GNS3
R13
INRN
U1
28
13
R 15
H
27
14
C18
0.1µF
GNS0
C
26
15
R14
COMP
OR
L
VNGR
25
16
VNEG
VMDO
TXOP
TXOP
VPOS
VPOS
VPSR
FDBK
PRAI
0.1µF
R 3
C8
R21
24
23
22
21
20
19
18
17
0Ω
R 18
120nH
R7
0Ω
FB
L4
R5
100Ω
R20
0Ω
100Ω
GND1
R6
10µF
C3
–VS
+
GND2
C1
0.1µF
PRAO
C7
0.1µF
C20
0.1µF
C6
0.1µF
+VS
+VS
TX _ OP
GND3
C10
0.1µF
PRAI
GND
R9
0Ω
C2
0.1µF
GND4
C5
0.1µF
0.1µF
120nH
–VS
–VS
C12
0.1µF
0.1µF
C11
C17
49.9Ω
GND5
FB
L7
R10
120nH
120nH
+
FB
L6
FB
L5
453Ω
R11
GND6
PREAMP_IN
C4
10µF
TXOP
+ VS
–VS
AD8260
PRAO
C9
0.1µF