ADL5320-EVALZ AD [Analog Devices], ADL5320-EVALZ Datasheet

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ADL5320-EVALZ

Manufacturer Part Number
ADL5320-EVALZ
Description
400 MHz to 2700 MHz RF Driver Amplifier
Manufacturer
AD [Analog Devices]
Datasheet
FEATURES
Operation: 400 MHz to 2700 MHz
Gain of 17 dB at 880 MHz
OIP3 of 45 dBm at 880 MHz
P1dB of 25.4 dBm at 880 MHz
Noise figure: 4 dB at 880 MHz
Power supply: 5 V
Power supply current: 104 mA typical
Internal active biasing
Thermally efficient SOT-89 package
ESD rating of ±4 kV (Class 3A)
GENERAL DESCRIPTION
The ADL5320 is a broadband, linear driver RF amplifier that
operates at frequencies from 400 MHz to 2700 MHz. The device
can be used in a wide variety of wired and wireless applications,
including ISM, WLL, PCS, GSM, CDMA, and W-CDMA.
The ADL5320 operates with a 5 V supply voltage and a supply
current of 104 mA.
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062−9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
The ADL5320 is fabricated on a GaAs HBT process. The device
is packaged in a low cost SOT-89 that uses an exposed paddle
for excellent thermal impedance. It operates from −40°C to
+85°C, and a fully populated evaluation board is available.
FUNCTIONAL BLOCK DIAGRAM
400 MHz to 2700 MHz
RF Driver Amplifier
RF
©2008 Analog Devices, Inc. All rights reserved.
1
IN
ADL5320
Figure 1.
GND
GND
BIAS
(2)
2
RF
3
OUT
ADL5320
www.analog.com

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ADL5320-EVALZ Summary of contents

Page 1

... MHz to 2700 MHz. The device can be used in a wide variety of wired and wireless applications, including ISM, WLL, PCS, GSM, CDMA, and W-CDMA. The ADL5320 operates with supply voltage and a supply current of 104 mA. Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use ...

Page 2

... ADL5320 TABLE OF CONTENTS Features .............................................................................................. 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications ..................................................................................... 3 Typical Scattering Parameters ..................................................... 4 Absolute Maximum Ratings ............................................................ 5 ESD Caution .................................................................................. 5 Pin Configuration and Function Descriptions ............................. 6 REVISION HISTORY 2/08—Revision 0: Initial Version Typical Performance Characteristics ..............................................7 Basic Layout Connections ............................................................. 11 Soldering Information and Recommended PCB Land Pattern ...

Page 3

... OUT ±100 MHz −40°C ≤ T ≤ +85° 5.25 V ∆ MHz dBm per tone OUT Pin RF OUT −40°C ≤ T ≤ +85°C A VSUP = 5 V Rev Page ADL5320 Min Typ Max Unit 400 2700 MHz 16.3 16.9 17.5 dB ±0.3 dB ±0.6 dB ±0 ...

Page 4

... ADL5320 TYPICAL SCATTERING PARAMETERS VSUP = 5 V and T = 25°C; the effects of the test fixture have been de-embedded up to the pins of the device. A Table 2. S11 Freq (MHz) Magnitude (dB) Angle (°) 400 −1.51 164.18 500 −1.38 155.33 550 −1.42 151.34 600 −1.46 147.66 650 − ...

Page 5

... Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ESD CAUTION Rating 6 dBm 683 mW 28.5°C/W 150°C −40°C to +85°C −65°C to +150°C Rev Page ADL5320 ...

Page 6

... RF Output and Supply Voltage. DC bias is provided to this pin through an inductor that is connected OUT to the external power supply. RF path requires a dc blocking capacitor. Exposed Paddle Expose Paddle. Internally connected to GND. Solder to a low impedance ground plane ADL5320 TOP VIEW GND GND 2 (2) (Not to Scale) RF ...

Page 7

... S11 –30 3.0 –35 2.5 2.0 –40 950 1000 700 Figure 8. Noise Figure vs. Frequency and Temperature, 800 MHz to 960 MHz Rev Page ADL5320 OIP3 (–40°C) OIP3 (+25°C) OIP3 (+85°C) P1dB (–40°C) P1dB (+85°C) P1dB (+25°C) 820 840 860 880 900 920 ...

Page 8

... ADL5320 45 40 OIP3 (10dBm P1dB GAIN 2060 2080 2100 2120 2140 2160 FREQUENCY (MHz) Figure 9. Gain, P1dB, OIP3, and Noise Figure vs. Frequency, 2060 MHz to 2200 MHz 16 15 –40°C 14 +25°C 13 +85° 2060 2080 2100 ...

Page 9

... P (dBm) OUT and Frequency, 2500 MHz to 2700 MHz OUT +85°C +25°C –40°C 2450 2500 2550 2600 2650 2700 2750 FREQUENCY (MHz) Figure 20. Noise Figure vs. Frequency and Temperature, 2500 MHz to 2700 MHz ADL5320 2700 2800 ...

Page 10

... ADL5320 42.0 42.8 43.6 44.4 45.2 OIP3 (dBm) Figure 21. OIP3 Distribution at 880 MHz 24.4 24.8 25.2 25.6 P1dB (dBm) Figure 22. P1dB Distribution at 880 MHz 16.65 16.75 16.85 16.95 17.05 GAIN (dB) Figure 23. Gain Distribution at 880 MHz 46.0 46.8 47.6 26.0 26.4 26.8 Figure 25. Supply Current vs. Supply Voltage and Temperature (Using 17.15 17.25 Rev Page ...

Page 11

... SOLDERING INFORMATION AND RECOMMENDED PCB LAND PATTERN Figure 27 shows the recommended land pattern for the ADL5320. To minimize thermal impedance, the exposed paddle on the SOT-89 package underside is soldered down to a ground plane along with Pin 2. If multiple ground layers exist, they should be stitched together using vias ...

Page 12

... To adjust the output match for operation at a different frequency different trade-off between OIP3, gain, and output impedance is desired, the following procedure is recommended. For example, to optimize the ADL5320 for optimum OIP3 and gain at 700 MHz use the following steps: 1. Install the recommended tuning components for a 800 MHz to 960 MHz tuning band, but do not install C3 and C7 ...

Page 13

... ACPR source. ACPR is measured at the output by a high dynamic range spectrum analyzer, which incorporates an instrument noise correction function. The ADL5320 achieves an ACPR of −82 dBc at 0 dBm output, at which point device noise and not distortion is beginning to dominate the power in the adjacent channels output ...

Page 14

... ADL5320 EVALUATION BOARD The schematic of the ADL5320 evaluation board is shown in Figure 32. This evaluation board uses 25 mil wide traces and is made from FR4 material. The evaluation board comes tuned for operation in the 1805 MHz to 2140 MHz tuning band. Tuning options for other frequency bands are also provided in Table 9. ...

Page 15

... MHz to 960 MHz Operation C1 C2 12pF 100pF C7 Figure 36. Evaluation Board Layout and Component Placement C2 C1 12pF 47pF Figure 37. Evaluation Board Layout and Component Placement Rev Page ADL5320 10uF 10nF 12pF 15nH C3 C7 1.2pF R1 0Ω C2 1pF 2.2pF 2300 MHz to 2400 MHz Operation ...

Page 16

... ADL5320 OUTLINE DIMENSIONS 4.25 3.94 1.50 TYP ORDERING GUIDE Model Temperature Range 1 ADL5320ARKZ-R7 −40°C to +85°C ADL5320-EVALZ RoHS Compliant Part. ©2008 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. * 1.55 REF (2) 2.60 2. 1.20 0.90 3.00 TYP 4.60 4.40 0.44 0.35 END VIEW * 0 ...

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