sky65146-21 Skyworks Solutions, Inc., sky65146-21 Datasheet

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sky65146-21

Manufacturer Part Number
sky65146-21
Description
Sky65146-21 806-849 Mhz, 3.5 V Broadband Power Amplifier
Manufacturer
Skyworks Solutions, Inc.
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
SKY65146-21
Manufacturer:
SKYWORKS/思佳讯
Quantity:
20 000
DATA SHEET
SKY65146-21: 806-849 MHz, 3.5 V Broadband Power
Amplifier
Applications
 iDEN
 TETRA (806-825 MHz)
 TDMA (824-849 MHz)
 AMPS (824-849 MHz)
 WLLs
Features
 Low voltage, positive bias supply: 3.5 V
 High gain = 39 dB
 High saturated output power = +35.6 dBm
 High efficiency: 51% PAE
 Good linearity
 Dual-mode operation
 Large dynamic range
 Internal RF match
 Power-down control
 Small, MCM (28-pin, 10 x 14 mm) package (MSL3, 260 C per
JEDEC J-STD-020)
®
RF_IN
VREG
(806-825 MHz)
Skyworks offers lead (Pb)-free RoHS (Restriction of
Hazardous Substances) compliant packaging.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
200810D • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • January 18, 2010
CMOS Controller Circuit
Match
Input
VD4
Stage 1
PA
Figure 1. SKY65146-21 Block Diagram
Inter-Stage
Match
VD3
Stage 2
PA
Description
The SKY65146-21 is a fully-matched Microwave Monolithic
Integrated Circuit (MMIC) Power Amplifier (PA) with high efficiency
and good linearity. The device is designed for private mobile
radios, Wireless Local Loops (WLLs), and Time Division Multiple
Access/Advanced Mobile Phone System (TDMA/AMPS) mobile
units operating in the 806 to 849 MHz cellular bandwidth.
The SKY65146-21 contains all the active circuitry, which includes
onboard bias circuitry and the interstage matching circuit. The
input/output match is realized off-chip within the module package
to optimize efficiency and high power performance into a 50 Ω
load.
Primary bias to the SKY65146-21 is supplied directly from a
single cell lithium ion, or other suitable, battery with a nominal
output of 3.5 V. No external supply side switch is needed since
typical “off” leakage is a only a few microamperes with full
primary voltage supplied from the battery.
The SKY65146-21 is fabricated using Skyworks high reliability
Heterojunction Bipolar Transistor (HBT) GaAs process. The device
is mounted in a 28-pin, 10.04 x 14.04 mm Multi-Chip Module
(MCM) package, which allows for a highly manufacturable low
cost solution.
A functional block diagram is shown in Figure 1. The pin
configuration and package are shown in Figure 2. Signal pin
assignments and functional pin descriptions are provided in
Table 1.
Inter-Stage
Match
VD2
Stage 3
PA
Output
Match
RF_OUT
S1751
1

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sky65146-21 Summary of contents

Page 1

... Primary bias to the SKY65146-21 is supplied directly from a single cell lithium ion, or other suitable, battery with a nominal output of 3 external supply side switch is needed since typical “ ...

Page 2

... January 18, 2010 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 200810D VD2 1 GND 2 GND 3 N/C 4 N/C 5 GND 6 VD4 Figure 2. SKY65146-21 Pinout – 28-Pin MCM (Top View) Description Pin # 15 VD3 16 GND 17 N/C 18 N/C 19 GND 20 GND 21 N/C 22 RF_OUT 23 GND 24 GND 25 GND 26 GND 27 ...

Page 3

... V for maximum power, but can be operated at slightly lower voltages for some mobile applications. Electrical and Mechanical Specifications The absolute maximum ratings of the SKY65146-21 are provided in Table 2. The recommended operating conditions are specified in Table 3 and electrical specifications are provided in Table 4. ...

Page 4

... DATA SHEET • SKY65146-21 POWER AMPLIFIER Table 4. SKY65146-21 Electrical Specifications (Note VD2 = VD3 = VD4 = 3 2.75 V, Frequency = 815 MHz REG Parameter Frequency range Small signal gain Power gain Input return Saturated output power Power-Added Efficiency Current @ P SAT Quiescent current Harmonics ...

Page 5

... Figure 8. Input VSWR vs Frequency Over Temperature 2.4 1.9 1.4 0.9 0.4 +22 +24 +26 +28 +30 +32 +34 +36 +38 Figure 10. Current vs Output Power Over Frequency DATA SHEET • SKY65146-21 POWER AMPLIFIER 806.0 MHz 815.5 MHz 825.0 MHz +25 +27 +29 +31 +33 +35 +37 Output Power (dBm) –40 °C +25 °C +85 ° ...

Page 6

... DATA SHEET • SKY65146-21 POWER AMPLIFIER 2.4 3.0 V 3.5 V 4.0 V 1.9 4.5 V 1.4 0.9 0.4 +22 +24 +26 +28 +30 +32 +34 +36 +38 Output Power (dBm) Figure 11. Current vs Output Power Over Voltage 8 –40 °C +25 °C +85 ° 805 810 815 Frequency (MHz) Figure 13. Noise Figure vs Frequency Over Temperature 58 806.0 MHz 815.5 MHz 48 825 ...

Page 7

... Figure 20. Second Harmonics vs Frequency Over Input Power –10 dBm –9.5 dBm –9.0 dBm –8.5 dBm –8.0 dBm +60 +85 Figure 22. Third Harmonics vs Frequency Over Input Power DATA SHEET • SKY65146-21 POWER AMPLIFIER 44 –10 dBm –9.5 dBm –9.0 dBm 42 –8.5 dBm –8.0 dBm 40 ...

Page 8

... DATA SHEET • SKY65146-21 POWER AMPLIFIER 62 –10 dBm –9.5 dBm –9.0 dBm 61 –8.5 dBm –8.0 dBm 3.00 3.25 3.50 3.75 V (V) CC Figure 23. Third Harmonics vs Voltage Over Input Power –10 dBm –9.5 dBm 77 –9.0 dBm –8.5 dBm –8.0 dBm 75 805 810 815 Frequency (MHz) Figure 25 ...

Page 9

... The following design considerations are general in nature and must be followed regardless of final use or configuration: 1. Paths to ground should be made as short as possible. 2. The ground pad of the SKY65146-21 has special electrical and thermal grounding requirements. This pad is the main thermal conduit for heat dissipation. Since the circuit board acts as the heat sink, it must shunt as much heat as possible from the device ...

Page 10

... Stage Collector Bias μF Supply Voltage (Base Bias Circuitry) Regulated Bias Enable Control Voltage RF Input Table 5. SKY65146-21 Evaluation Board Bill of Materials Component Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 10 January 18, 2010 • ...

Page 11

... SKY65146 Test Fixture TW16-D390- Note: Capacitors C6 and C7 are shown on the Evaluation Board but are not used. Figure 32. SKY65146-21 Evaluation Board Assembly Diagram Cross Section Figure 33. Evaluation Board Layer Detail Physical Characteristics Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 200810D • ...

Page 12

... Otherwise, problems related to moisture absorption may occur when the part is subjected to high temperature during solder assembly. THE SKY65146-21 is rated to Moisture Sensitivity Level 3 (MSL3) at 260 C. It can be used for lead or lead-free soldering. For additional information, refer to the Skyworks Application Note, PCB Design and SMT Assembly/Rework Guidelines for MCM-L Packages, document number 101752 ...

Page 13

... Pin 28 14X 1.186 C L 14.34 0.6 0.25 Typ. R0.381 Typ. Package Outline C L 0.6 0.25 Typ. Metallization Top View Figure 35. SKY65146-21 PCB Layout Footprint DATA SHEET • SKY65146-21 POWER AMPLIFIER 28X 1.186 1.27 Typ. 14. 0.875 Typ. Package Outline Exposed Center Pad 10.44 28X Pin 28 0.862 18X 2.5 0.20 X 45° ...

Page 14

... January 18, 2010 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 200810D 14.04 1.45 ± 0.1 Side View (0.147) 0.875 R0.05 Max. 1.016 ± 0.05 0.875 Detail B Figure 36. SKY65146-21 28-Pin MCM Package Dimensions Pin 28 28X SMT Pad C 12X 1 12X 2 12X 3 12X 4 Openings (See Detail B) Bottom View 1.163 ± 0.05 0.889 ± ...

Page 15

... Cover tape size: 21.3 mm width 6. All measurements are in millimeters Figure 37. SKY65146-21 28-Pin MCM Tape and Reel Dimensions Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 200810D • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • January 18, 2010 DATA SHEET • ...

Page 16

... DATA SHEET • SKY65146-21 POWER AMPLIFIER Ordering Information Model Name SKY65146-21 WLAN Power Amplifier Copyright © 2007, 2008, 2009, 2010 Skyworks Solutions, Inc. All Rights Reserved. Information in this document is provided in connection with Skyworks Solutions, Inc. (“Skyworks”) products or services. These materials, including the information contained herein, are provided by Skyworks as a service to its customers and may be used for informational purposes only by the customer ...

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