SKY65080-70LF [SKYWORKS]
1500-2500 MHz Low Noise Power Amplifier Driver; 1500至2500年兆赫低噪声功率放大器驱动器
| 型号： | SKY65080-70LF |
| 厂家： | 
SKYWORKS SOLUTIONS INC. |
| 描述： | 1500-2500 MHz Low Noise Power Amplifier Driver |
| 文件： | 总11页 (文件大小：167K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
PRELIMINARY DATA SHEET
SKY65080-70LF: 1500-2500 MHz Low Noise Power Amplifier
Driver
Applications
GND
x UHF television
4
x TETRA radios
x PCS, DCS, 2.5G, 3G handsets
x ISM band transmitters
x WCS fixed wireless
x 802.16 WiMAX
x 3GPP LTE
1
2
3
RF_IN
GND
RF_OUT
Features
S244
x Wideband frequency range: 1500 to 2500 MHz
x Low Noise Figure: 2.3 dB
x High linearity: IIP3 = +25.5 dBm
x Output P1dB = +21 dBm
x High gain: 15 dB
Figure 1. SKY65080-70LF Pinout – 4-Pin SOT Package
(Top View)
Description
Skyworks SKY65080-70LF is a high performance, ultra-wideband
Power Amplifier (PA) driver with superior output power, low noise,
linearity, and efficiency. The device provides a 2.3 dB Noise
Figure (NF) and an output power at 1 dB compression of
+21 dBm, making the SKY65080-70LF ideal for use in the driver
stage of infrastructure transmit chains.
x Single DC supply: +5 V
x On-chip bias circuit
x SOT-89 (4-pin, 2.4 x 4.5 mm) package (MSL1, 260 °C per
JEDEC J-STD-020)
Skyworks offers lead (Pb)-free RoHS (Restriction of
Hazardous Substances) compliant packaging.
The SKY65080-70LF uses low-cost Surface-Mount Technology
(SMT) in the form of a 4-pin, 2.4 x 4.5 mm Small Outline
Transistor (SOT) package. The device package and pinout are
shown in Figure 1 and a functional block diagram is provided in
Figure 2.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201042D • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • October 5, 2009
1
PRELIMINARY DATA SHEET • SKY65080-70LF PA DRIVER
Active Bias
1
2
3
RF_IN
GND
RF_OUT
S669
Figure 2. SKY65080-70LF Functional Block Diagram
Table 1. SKY65080-70LF Signal Descriptions
Pin #
Name
Description
1
2
3
4
RF_IN
GND
RF input
Ground
RF output
Ground
RF_OUT
GND
Technical Description
Electrical and Mechanical Specifications
The SKY65080-70LF is a single stage, low-noise PA that operates
with a single 5 V power supply connected through an RF choke
(inductor L1) to the output signal (pin 3). The bias current is set by
the on-chip active bias composed of current mirror and reference
voltage transistors, which allow excellent gain tracking over
temperature and voltage variations. The device is externally RF
matched using surface mount components to facilitate operation
over a frequency range of 1500 to 2500 MHz.
Signal pin assignments and functional pin descriptions are
described in Table 1. The absolute maximum ratings of the
SKY65080-70LF are provided in Table 2. The recommended
operating conditions are specified in Table 3 and electrical
specifications are provided in Table 4.
Typical performance characteristics of the SKY65080-70LF are
illustrated in Figures 3 through 9.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
October 5, 2009 • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • 201042D
2
PRELIMINARY DATA SHEET • SKY65080-70LF PA DRIVER
Table 2. SKY65080-70LF Absolute Maximum Ratings
Parameter
Symbol
Min
Max
6
Units
V
Supply voltage
RF output power
Supply current
VCC
POUT
ICC
+24
100
0.6
dBm
mA
W
Power dissipation
PD
Operating case temperature
Storage temperature
Junction temperature
TC
–40
–55
+85
+125
+150
°C
TST
TJ
°C
°C
Note: Exposure to maximum rating conditions for extended periods may reduce device reliability. There is no damage to device with only one parameter set at the limit and all other
parameters set at or below their nominal values. Exceeding any of the limits listed here may result in permanent damage to the device.
CAUTION: Although this device is designed to be as robust as possible, Electrostatic Discharge (ESD) can damage this device. This
device must be protected at all times from ESD. Static charges may easily produce potentials of several kilovolts on the
human body or equipment, which can discharge without detection. Industry-standard ESD precautions should be used at all
times.
Table 3. SKY65080-70LF Recommended Operating Conditions
Parameter
Symbol
Min
4.75
1500
–40
Typical
5.0
Max
5.5
Units
V
Supply voltage
VCC
f
Operating frequency
1750
+25
2500
+85
MHz
°C
Operating case temperature
TJ
Table 4. SKY65080-70LF Electrical Characteristics (Note 1)
(VCC = +5 V, TC = 25 °C, f = 1850 MHz, Unless Otherwise Noted)
Parameter
Symbol
Test Conditions
Min
Typical
1850
15
Max
Units
Frequency
f
1700
14
2000
MHz
dB
Small signal gain
Input return loss
G
PIN = –15 dBm
|S11|
PIN = –15 dBm
PIN = –15 dBm
PIN = –15 dBm
CW
9
dB
Output return loss
|S22|
8
dB
Reverse transmission loss
Output power @ 1 dB compression
Operating current @ OP1dB
Power Added Efficiency
|S12|
23
dB
OP1dB
ICC_OP1DB
PAE
+21
75
dBm
mA
%
@ OP1dB
32
Third order input intercept point
IIP3
PIN/tone = –10 dBm,
Δf = 1 MHz
+24.0
+39.0
+25.5
dBm
Third order output intercept point
OIP3
PIN/tone = –10 dBm,
+40.5
dBm
Δf = 1 MHz
Noise Figure
NF
Small signal
No RF
2.3
66
3.0
dB
Quiescent current
ICCQ
mA
Note 1: Performance is guaranteed only under the conditions listed in this Table and is not guaranteed over the full operating or storage temperature ranges. Operation at elevated
temperatures may reduce reliability of the device.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201042D • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • October 5, 2009
3
PRELIMINARY DATA SHEET • SKY65080-70LF PA DRIVER
+28.0
+27.5
+27.0
+26.5
+26.0
+25.5
4.8 V
5.0 V
5.2 V
+25.0
+24.5
+24.0
1700
1750
1800
1850
1900
1950
2000
Frequency (MHz)
Figure 3. Typical IIP3 vs Frequency Over VCC
(Input = –10 dBm CW)
+28
+27
+26
+25
+24
+23
4.8 V
5.0 V
5.2 V
+22
+21
+20
+19
–12
–10
–8
–6
–4
Input Power (dBm)
Figure 4. Typical IIP3 vs Input Power Over VCC @ 1700 MHz
16.5
16.0
4.8 V
5.0 V
5.2 V
15.5
15.0
14.5
14.0
1700
1750
1800
1850
1900
1950
2000
Frequency (MHz)
Figure 5. Gain vs Frequency Over VCC
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
October 5, 2009 • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • 201042D
4
PRELIMINARY DATA SHEET • SKY65080-70LF PA DRIVER
2.9
2.8
2.7
2.6
2.5
2.4
4.8 V
5.0 V
5.2 V
2.3
2.2
2.1
2.0
1600
1700
1800
1900
2000
2100
Frequency (MHz)
Figure 6. Noise Figure vs Frequency Over VCC
16.5
16.0
15.5
15.0
14.5
14.0
4.8 V
5.0 V
5.2 V
13.5
13.0
12.5
12.0
–5
0
+5
+10
+15
+20
+25
Output Power (dBm)
Figure 7. Typical Gain vs Output power Over VCC
(CW @ 1800 MHz)
18
17
16
15
14
1700 MHz
1800 MHz
1900 MHz
2000 MHz
13
12
11
10
–10
0
+10
+20
+30
Output Power (dBm)
Figure 8. Gain vs Output Power Over Frequency
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201042D • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • October 5, 2009
5
PRELIMINARY DATA SHEET • SKY65080-70LF PA DRIVER
0.12
1700 MHz
1850 MHz
1950 MHz
0.11
0.10
0.09
0.08
0.07
0.06
0.05
0.04
–10
–5
0
+5
+10
+15
+20
+25
Output Power (dBm)
Figure 9. Operating Current vs Output Power Over Frequency
listed in Table 5. Component values for the SKY65080-70LF-21
package option are shown in Table 6.
Evaluation Board Description
The Skyworks SKY65080-70LF Evaluation Board is used to test
the performance of the SKY65080-70LF PA driver. An assembly
drawing for the Evaluation Board is shown in Figure 10 and the
layer detail is provided in Figure 11.
Testing Procedure
Use the following procedure to set up the SKY65080-70LF
Evaluation Board for testing:
Capacitors C7, C8, and C9 provide DC bias decoupling for VCC.
Pins 1 and 3 are the RF input and output signals, respectively.
External DC blocking is required on the input and output, but can
be implemented as part of the RF matching circuit. Pin 2 and the
package backside metal, pin 4, are ground pins that provide the
DC and RF ground, respectively.
1. Connect a 5.0 V supply to VCC. If available, enable the current
limiting function of the power supply to 100 mA.
2. Connect a signal generator to the RF signal input port. Set it to
the desired RF frequency at a power level of –15 dBm or less
to the Evaluation Board but do NOT enable the RF signal.
3. Connect a spectrum analyzer to the RF signal output port.
4. Enable the power supply.
Circuit Design Configurations
The following design considerations are general in nature and
must be followed regardless of final use or configuration.
5. Enable the RF signal.
1. Paths to ground should be made as short as possible.
6. Take measurements.
2. The ground pad of the SKY65080-70LF power amplifier 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 amplifier. As such, design the
connection to the ground pad to dissipate the maximum
wattage produced to the circuit board. Multiple vias to the
grounding layer are required.
CAUTION: If any of the output signals exceed the rated
maximum values, the SKY65080-70LF Evaluation
Board can be permanently damaged.
Package and Handling Information
Since the device package is sensitive to moisture absorption, it is
baked and vacuum packed before shipping. Instructions on the
shipping container label regarding exposure to moisture after the
container seal is broken must be followed. Otherwise, problems
related to moisture absorption may occur when the part is
subjected to high temperature during solder assembly.
NOTE: Junction temperature (Tj) of the device increases with a
poor connection to the slug and ground. This reduces the
lifetime of the device.
A suggested matching circuit is shown in Figure 12 with
component values for the SKY65080-70LF-11 package option
The SKY65080-70LF is rated to Moisture Sensitivity Level 1
(MSL1) at 260 qC. It can be used for lead or lead-free soldering.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
October 5, 2009 • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • 201042D
6
PRELIMINARY DATA SHEET • SKY65080-70LF PA DRIVER
Care must be taken when attaching this product, whether it is
done manually or in a production solder reflow environment.
Production quantities of this product are shipped in a standard
tape and reel format. For packaging details, refer to the Skyworks
Application Note Tape and Reel, document number 101568.
Package Dimensions
Package dimensions for the 4-pin SOT-89 are shown in
Figure 13, and tape and reel dimensions are provided in
Figure 14.
JP1
R1
C8
C7
C6
L2
L3
C5
J2 (RF Out)
J1 (RF In)
C3
C4
C1
L4
C2
L1
S708
Figure 10. Evaluation Board Assembly Drawing
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201042D • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • October 5, 2009
7
PRELIMINARY DATA SHEET • SKY65080-70LF PA DRIVER
Layer 1: Top - Metal
Layer 2: Ground
Layer 3: Ground
Layer 4: Solid Ground Plane
S1699
Figure 11. Evaluation Board Layer Detail
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
October 5, 2009 • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • 201042D
8
PRELIMINARY DATA SHEET • SKY65080-70LF PA DRIVER
VCC = 5 V
R1
C1
C2
C3
L1
4
1
3
Output
M2
M3
M6
M7
Input
M4
M5
M1
2
M8
S1377
Figure 12. SKY65080-70LF Evaluation Board Schematic
(1700 MHz to 2000 MHz, IIP3 Matched)
Table 5. SKY65080-70LF (SOT-89 Package) Evaluation Board Bill of Materials
Component
Size
0805
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
Value
10 μF
2.7 pF
DNI
Vendor
Part Number
C1
C2
C3
L1
4.7 nH
DNI
M1
M2
M3
M4
M5
M6
M7
M8
R1
3.6 pF
2.2 nH
1.8 pF
DNI
*** TBD ***
*** TBD ***
1.5 nH
33 pF
DNI
0 Ω
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201042D • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • October 5, 2009
9
PRELIMINARY DATA SHEET • SKY65080-70LF PA DRIVER
4.50 0.10
1.70 0.05
0.381 0.025
Sharp
R0.10
R0.25
1.50
o
7
0.51 0.10
o
7
R0.10
1.04 0.15
0.46
1.50 0.10
0.41
Side View
End View
Bottom View
All measurements are in millimeters
S253
Figure 13. SKY65080-70LF (4-Pin SOT-89) Package Dimensions
2.00 0.05
8.00 0.10
4.00 0.10
1.50 0.10
1.75 0.10
0.30 0.05
5.50 0.05
12.0 0.30
Pin #1
Indicator
B
o
7
Max
A
A
4.90 0.10
1.00 Min.
B
4.60 0.10
1.90 0.10
B
o
8
Max
Notes:
1. Carrier tape material: black conductive polycarbonate
2. Cover tape material: transparent conductive PSA
3. Cover tape size: 9.2 mm width
4. All measurements are in millimeters
S264
Figure 14. SKY65080-70LF Tape and Reel Dimensions
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
October 5, 2009 • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • 201042D
10
PRELIMINARY DATA SHEET • SKY65080-70LF PA DRIVER
Ordering Information
Model Name
Ordering Part Number
Evaluation Kit Part Number
SKY65080-70LF Low Noise PA Driver
SKY65080-70LF (Pb-free package)
TW18-D210
Copyright © 2009 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. Skyworks assumes no responsibility for errors or omissions in these materials or the
information contained herein. Skyworks may change its documentation, products, services, specifications or product descriptions at any time, without notice. Skyworks makes no commitment to
update the materials or information and shall have no responsibility whatsoever for conflicts, incompatibilities, or other difficulties arising from any future changes.
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products outside of published parameters or design specifications. Customers should include design and operating safeguards to minimize these and other risks. Skyworks assumes no liability for
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Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201042D • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • October 5, 2009
11
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