ADL5322-EVAL AD [Analog Devices], ADL5322-EVAL Datasheet

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ADL5322-EVAL

Manufacturer Part Number
ADL5322-EVAL
Description
700 MHz to 1000 MHz GaAs Matched RF PA Predriver
Manufacturer
AD [Analog Devices]
Datasheet
FEATURES
Internally matched to 50 Ω input and output
Internally biased
Operating frequency: 700 MHz to 1000 MHz
Gain: 20 dB
OIP3: 45 dBm
P1 dB: 27 dBm
Noise figure: 5 dB
3 mm × 3 mm LFCSP
Power supply: 5 V
APPLICATIONS
CDMA2000, WCDMA, and GSM base station transceivers and
GENERAL DESCRIPTION
The ADL5322 is a high linearity GaAs driver amplifier that is
internally matched to 50 Ω for operation in the 700 MHz to
1000 MHz frequency range. The amplifier, which has a gain of
20 dB, is specially designed for use in the output stage of a
cellular base station radio or as an input preamplifier in a
multicarrier base station power amplifier. Matching and biasing
are all on-chip. The ADL5322 is available in a Pb-free, 3mm ×
3 mm, 8-lead LFCSP package with an operating temperature
from −40°C to +85°C.
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.
high power amplifiers
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
700 MHz to 1000 MHz GaAs
RFIN 8
GND 6
GND 7
VCC 5
Matched RF PA Predriver
FUNCTIONAL BLOCK DIAGRAM
BIAS CONTROL
©2006 Analog Devices, Inc. All rights reserved.
ADL5322
Figure 1.
OUTPUT
MATCH
ADL5322
www.analog.com
4 RFOUT
2 VCC
3 GND
1 VCC

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ADL5322-EVAL Summary of contents

Page 1

... Matching and biasing are all on-chip. The ADL5322 is available in a Pb-free, 3mm × 3 mm, 8-lead LFCSP package with an operating temperature from −40°C to +85°C. ...

Page 2

... ADL5322 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 4 ESD Caution.................................................................................. 4 REVISION HISTORY 7/06—Revision 0: Initial Version Pin Configuration and Function Descriptions..............................5 Typical Performance Characteristics ..............................................6 Basic Connections .............................................................................8 CDMA2000 Driving Application................................................8 Evaluation Board ............................................................................ 10 Outline Dimensions ....................................................................... 11 Ordering Guide .......................................................................... 11 ...

Page 3

... MHz to 960 MHz vs. Temperature −40°C to +85°C vs. Voltage (4. 5.25 V) POWER SUPPLY Supply Voltage Supply Current P OUT Operating Temperature = 5 dBm per carrier OUT = 5 dBm Rev Page ADL5322 Min Typ Max Unit 700 1000 MHz 19 20.3 21.4 dB ±0.125 dB ±1 dB ± ...

Page 4

... ADL5322 ABSOLUTE MAXIMUM RATINGS Table 2. Parameter Supply Voltage, VPOS Input Power (re: 50 Ω) Equivalent Voltage θ (Soldered) JC Maximum Junction Temperature Operating Temperature Range Storage Temperature Range Soldering Temperature ESD CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection ...

Page 5

... Rev Page ADL5322 ADL5322 (2, 2) 0.436/150.470 0.392/145.211 0.345/137.443 0.295/133.051 0.242/125.612 0.187/116.434 0.130/102.897 0.079/76.154 0.061/18.090 +0.098/−26.962 +0.153/−46.741 +0.211/− ...

Page 6

... ADL5322 TYPICAL PERFORMANCE CHARACTERISTICS 22.0 21.5 TEMP = –40°C 21.0 20.5 TEMP = +25°C 20.0 19.5 TEMP = +85°C 19.0 18.5 18.0 17.5 800 850 900 FREQUENCY (MHz) Figure 3. Gain vs. Frequency −40°C, +25°C, and +85° 29.0 TEMP = –40°C 28.5 28.0 TEMP = +25°C 27.5 27.0 TEMP = +85°C 26.5 26.0 800 850 900 FREQUENCY (MHz) Figure vs. Frequency − ...

Page 7

... Figure 9. Distribution of OIP3 at 850 MHz –6 –8 –10 S22 –12 –14 –16 S11 –18 –20 –22 –24 –26 0.70 0.75 0.80 0.85 0.90 FREQUENCY (GHz) Figure 10. Input S11 and Output S22 Return Loss vs. Frequency 45.5 45.7 43.6 0.95 1.00 Rev Page ADL5322 43.8 44.0 44.2 44.4 44.6 44.8 45.0 45.2 OIP3 (dBm) Figure 11. Distribution of OIP3 at 950 MHz ...

Page 8

... ADL5322 BASIC CONNECTIONS Figure 14 shows the basic connections for operating the ADL5322. Each of the three power supply lines should be decoupled with 10 μF, 10 nF, and 100 pF capacitors. Pin 3, Pin 6, Pin 7, and the exposed paddle under the device should all be connected to a low impedance ground plane. If multiple ground planes are being used, these should be stitched together with vias under the device to optimize thermal conduction ...

Page 9

... ACP2 (dBc) – 1.98MHz OFFSET – 30kHz RBW –90 –100 –10 –8 –6 –4 –2 OUTPUT POWER (dBm) Figure 15. CDMA2000 ACP vs. Output Power per Carrier; 4 Adjacent Carriers Rev Page ADL5322 –30 –40 –50 –60 –70 –80 –90 –100 ...

Page 10

... ADL5322 EVALUATION BOARD Figure 17 shows the schematic of the ADL5322 evaluation board. The board is powered by a single supply in the 4. 5.25 V range. The power supply is decoupled on each of the three power supply pins by 10 μF, 10 nF, and 100 pF capacitors. See Table 5 for exact evaluation board component values. Note ...

Page 11

... OUTLINE DIMENSIONS PIN 1 INDICATOR 0.90 MAX 0.85 NOM SEATING PLANE ORDERING GUIDE Model Temperature Range 1 ADL5322ACPZ-R7 −40°C to +85°C 1 ADL5322ACPZ-WP −40°C to +85°C ADL5322-EVAL Pb-free part. 3.00 0.60 MAX BSC SQ 8 2.75 TOP BSC SQ VIEW 0.50 BSC 5 0.70 MAX 12° MAX 0.65 TYP 0.05 MAX 0.01 NOM 0.30 0.20 REF ...

Page 12

... ADL5322 NOTES ©2006 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D06057-0-7/06(0) Rev Page ...

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