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ADL5531-EVALZ

P1-P3P4-P6P7-P9P10-P12P13-P13
Data Sheet ADL5531
Rev. B | Page 9 of 12
BASIC CONNECTIONS
The basic connections for operating the ADL5531 are shown
in Figure 16. The input and output are ac-coupled with 10 nF
(0402) capacitors. DC bias is provided to the amplifier via an
inductor (Coilcraft 1008CS-471XJLC or equivalent) connected
to the RFOUT pin. The bias voltage should be decoupled using
10 nF and 1 μF capacitors.
SOLDERING INFORMATION AND RECOMMENDED
PCB LAND PATTERN
Figure 15 shows the recommended land pattern for ADL5531.
To minimize thermal impedance, the exposed pad on the
package underside is soldered down to a ground plane. If
multiple ground layers exist, they are stitched together using
vias (a minimum of five vias is recommended). Pin 1, Pin 3,
Pin 4, Pin 6, and Pin 8 can be left unconnected or can be connected
to ground. Connecting these pins to ground slightly enhances
thermal impedance. For more information on land pattern design
and layout, refer to AN-772 Application Note, A Design and
Manufacturing Guide for the Lead Frame Chip Scale Package (LFCSP).
06833-015
1.53mm
0.5mm
1.78mm
1.85mm
2.03mm
4
5
8
0.71mm
1
Figure 15. Recommended Land Pattern
5CLIN
8NC
NC
NC = NO CONNECT
RFIN
RFOUT
L1
470nH
4
6NC
RFIN2
7RFOUT
NC3
NC
ADL5531
06833-014
1
C1
10nF
C3
1nF
C5
10nF
C2
10nF
C6
1µF
VPOS
(TESTLOOP RED)
GND
(TESTLOOP BLACK)
W1
Figure 16. Basic Connections
ADL5531 Data Sheet
Rev. B | Page 10 of 12
EVALUATION BOARD
Figure 19 shows the schematic for the ADL5531 evaluation
board. The board is powered by a single 5 V supply.
The components used on the board are listed in Table 5. Power
can be applied to the board through clip-on leads or through
Jumper W1. Note that C4, C7, C8, L3, L4, L5, R1, and R2 have
no function.
06833-016
Figure 17. Evaluation Board Layout (Bottom)
06833-017
Figure 18. Evaluation Board Layout (Top)
5CLIN
8NC
NC
NC = NO CONNECT
Z1
RFIN RFOUT
L1
470nH
L5
OPEN
L4
OPEN
4
6NC
RFIN2
7RFOUT
NC
3
NC
ADL5531
06833-018
1
C1
10nF
C3
1nF
C7
OPEN
R2
OPEN
C5
10nF
C2
10nF
C4
OPEN
C8
OPEN
C6
1µF
L3
OPEN
L2
0Ω
VPOS
(TESTLOOP RED)
GND
(TESTLOOP BLACK)
W1
R1
OPEN
Figure 19. Evaluation Board Schematic
Table 5. Evaluation Board Configuration Options
Component Function Default Value
Z1 DUT ADL5531
C1, C2 AC coupling capacitors 10 nF, 0402
C3 Linearizer capacitor 1 nF, 0603
C5 Power supply decoupling capacitor 10 nF, 0603
C6 Power supply decoupling capacitor 1 µF, 0603
C4, C7, C8 Open
R1, R2
Open
L1 DC bias inductor 470 nH, 1008 (Coilcraft 1008CS-471XJLC or equivalent)
L2 0 Ω, 0402
L3, L4, L5 Open
VPOS, GND Clip-on terminals for power supply VPOS, GND
W1 2-pin jumper for connection of ground and supply via cable W1
RFIN, RFOUT 50 Ω SMA female connectors RFIN, RFOUT
Data Sheet ADL5531
Rev. B | Page 11 of 12
OUTLINE DIMENSIONS
1
EXPOSED
PAD
(BOTT
OM VIEW)
0.50
BSC
PIN 1
INDIC
AT
OR
0.50
0.40
0.30
T
O
P
VIEW
12° MAX
0.70 MAX
0.65
TY
P
0.90 MAX
0.85 NOM
0.05 MAX
0.01 NOM
0.20 REF
1.89
1.74
1.59
4
1.60
1.45
1.30
3.25
3.00 SQ
2.75
2.95
2.75 SQ
2.55
5
8
PIN 1
INDIC
A
T
OR
SEA
TING
PLANE
0.30
0.23
0.18
0.60 MAX
0.60 MAX
FOR PROPER CONNECTION OF
THE EXPOSED PAD, REFER TO
THE PIN CONFIGURATION AND
FUNCTION DESCRIPTIONS
SECTION OF THIS DATA SHEET.
04-04-2012-A
Figure 20. 8-Lead Lead Frame Chip Scale Package [LFCSP_VD]
3 mm × 3 mm Body, Very Thin, Dual Lead
CP-8-2
Dimensions shown in millimeters
ORDERING GUIDE
Model
1
Temperature Range Package Description Package Option Branding
ADL5531ACPZ-R7 −40°C to +85°C 8-Lead LFCSP_VD, 7” Tape and Reel CP-8-2 Q16
ADL5531-EVALZ Evaluation Board
1
Z = RoHS Compliant Part.
P1-P3P4-P6P7-P9P10-P12P13-P13

ADL5531-EVALZ

Mfr. #:
Buy ADL5531-EVALZ
Manufacturer:
Analog Devices Inc.
Description:
ADL5531 RF Amplifier Evaluation Board
Lifecycle:
New from this manufacturer.
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