SKYWORKS SKY65112-84LF

PRELIMINARY DATA SHEET
SKY65112-84LF: Linear Power Amplifier Driver, 0.5 W
400–2300 MHz
Features
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Functional Block Diagram
Wideband: 400–2300 MHz
High linearity: OIP3 > 39 dBm; P1 dB > 27 dBm @ 940 MHz
High gain > 18 dB
Single DC supply: 5 V
Low-cost SMT, lead (Pb)-free package, RoHS-compliant
Applications
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UHF TV broadcast
TETRA radio
GSM/CDMA/EDGE 450/750/850/900MHz bands
DCS, PCS, W-CDMA, UMTS
Description
Skyworks SKY65112 is a high performance power amplifier with
superior linearity and output power. The device is fabricated using
Skyworks high-reliability Heterojunction Bipolar Transistor (HBT)
technology. The device utilizes low-cost, industry-standard, thermally enhanced SOIC-8 lead (Pb)-free, RoHS-compliant packaging.
The SKY65112 incorporates on-chip active bias which achieves
excellent gain tracking over temperature and voltage variations.
The SKY65112 is designed for ultrahigh linearity and wideband
operation, making it a cost effective building block for many
transceiver applications.
The SKY65112 is rated for operation from -40 to +85 °C. It
operates from a 5 V power supply voltage.
An evaluation board is available upon request.
NEW
Skyworks offers lead (Pb)-free, RoHS (Restriction of
Hazardous Substances)-compliant packaging.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
200453 Rev. B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • December 19, 2006
1
PRELIMINARY DATA SHEET • SKY65112-84LF
Electrical Specifications
TA = 25 °C, VCC = 5 V, ICCQ = 260 mA, ZO = 50 Ω, as measured in the evaluation board, unless otherwise noted
Parameter
Symbol
Conditions
Operational bandwidth
PAE
Gain
|S21|
@ P1 dB
OP1 dB
Output IP3
Typ.
440
Total power-added efficiency
Output P1 dB
Min.
OIP3
Max.
Unit
460
MHz
27
%
22
dB
26.5
dBm
@ 14 dBm POUT/Tone, 1 MHz Spacing
34
dBm
Second harmonic
POUT @ 450 MHz = 10 dBm
-40
dBc
Third harmonic
POUT @ 450 MHz = 10 dBm
-86
dBc
260
mA
Supply current
ICCQ
Reference current
IREF
2
Operational bandwidth
920
Total power-added efficiency
PAE
Gain
|S21|
Output P1 dB
@ P1 dB
OP1 dB
mA
960
MHz
22
%
18
dB
27.2
dBm
@ 14 dBm POUT/Tone, 1 MHz Spacing
39
dBm
Second harmonic
POUT @ 940 MHz = 10 dBm
-65
dBc
Third harmonic
POUT @ 940 MHz = 10 dBm
-90
dBc
mA
Output IP3
OIP3
Supply current
ICCQ
260
Reference current
IREF
2
Operational bandwidth
Total power-added efficiency
Gain
1930
PAE
@ P1 dB
mA
1990
38
MHz
%
|S21|
15.1
dB
OP1 dB
30
dBm
@ 14 dBm POUT/Tone, 1 MHz Spacing
39
dBm
POUT @ 1.96 GHz = 10 dBm
-58
dBc
Third harmonic
POUT @ 1.96 GHz = 10 dBm
-79
dBc
CDMA (IS95) channel power
@ -50 dBc ACPR, 1960 MHz
22
dBm
Output P1 dB
Output IP3
OIP3
Second harmonic
Supply current
ICCQ
260
mA
Reference current
IREF
2
mA
Operational bandwidth
2110
Total power-added efficiency
PAE
Gain
Output P1 dB
Output IP3
2170
MHz
38
%
|S21|
15.5
dB
OP1 dB
29
dBm
OIP3
@ P1 dB
@ 14 dBm POUT/Tone, 1 MHz Spacing
37
dBm
Second harmonic
POUT @ 2.14 GHz = 10 dBm
-55
dBc
Third harmonic
POUT @ 2.14 GHz = 10 dBm
-72
dBc
W-CDMA channel power
@ -45 dBc ACLR, 2140 MHz
20
dBm
Supply current
ICCQ
260
mA
Reference current
IREF
2
mA
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
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December 19, 2006 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • 200453 Rev. B
PRELIMINARY DATA SHEET • SKY65112-84LF
Recommended Operating Conditions
Parameter
Symbol
Min.
Typ.
Max.
Unit
Supply voltage
VCC
5
V
Reference current
IREF
2
mA
Reference voltage
VREF
5
V
Operating frequency
400
Supply current
2300
ICCQ
Junction temperature
MHz
260
TJ
mA
150
°C
Typical Performance Data
25
20
15
10
5
0
-5
-10
-15
-20
-25
-30
lS11l
lS22l
lS21l
lS11l
lS22l
15
10
5
0
-5
-10
-15
-20
-25
-30
0.70 0.75 0.80 0.85 0.90 0.95 1.00 1.05 1.10 1.15 1.20
0.37 0.39 0.41 0.43 0.45 0.47 0.49 0.51 0.53
Frequency (GHz)
Frequency (Hz)
SKY65112 Tuned for 450 MHz
VCC = 5 V, VREF = 5 V, ICCQ = 260 mA
SKY65112 Tuned for 940 MHz
VCC = 5 V, VREF = 5 V, ICCQ = 260 mA
ICC
P1 dB = 26.5 dBm
23.9
25.6
26.9
28.0
P1 dB = 27 dBm
Gain
19
ICC
900
18
800
17
700
16
600
15
500
14
400
13
300
12
200
11
100
10
ICC (mA)
22.1
470
450
430
410
390
370
350
330
310
290
270
250
230
29.0
ICC (mA)
23
22
21
20
19
18
17
16
15
14
13
12
11
20.1
Gain (dB)
Gain
Gain (dB)
lS21l
20
lSijl (dB)
lSijl (dB)
TA = 25 °C, VCC = 5 V, ICCQ = 260 mA, ZO = 50 Ω, unless otherwise noted
0
18.2
20.2
22.3
24.3
26.0
27.2
28.0
POUT (dBm)
POUT (dBm)
SKY65112 Gain, ICC vs. POUT
VCC = 5 V, VREF = 5 V, ICCQ = 450 mA, F = 450 MHz
SKY65112 Gain, ICC vs. POUT
VCC = 5 V, VREF = 5.1 V, ICCQ = 260 mA, F = 940 MHz
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
200453 Rev. B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • December 19, 2006
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PRELIMINARY DATA SHEET • SKY65112-84LF
39
41
38
40
36
OIP3 (dBm)
OIP3 (dBm)
37
35
34
33
39
38
37
32
36
31
30
35
8
10
12
14
16
18
20
8
22
10
12
14
16
18
20
POUT/Tone (dBm)
POUT/Tone (dBm)
SKY65112 OIP3, VCC = 5 V, VREF = 5 V,
ICCQ = 260 mA, F = 450 MHz, Tone Spacing = 1 MHz
SKY65112 OIP3, VCC = 5 V, VREF = 5 V,
ICCQ = 260 mA, F = 940 MHz, Tone Spacing = 1 MHz
lS11l
lS21l
lS22l
15
Gain (dB)
0
-5
-10
-15
-20
-25
1.98
2.02
2.06
2.10
2.14
2.18
ICC
750
700
650
600
550
500
450
400
350
300
250
200
15.1 17.1 19.1 21.1 23.0 24.9 26.7 28.6 30.2 31.5 32.4
Frequency (GHz)
POUT (dBm)
SKY65112 Tuned for 1960–2140 MHz
VCC = 5 V, VREF = 5 V, ICCQ = 260 mA
SKY65112 Gain, ICC vs. POUT
VCC = 5 V, VREF = 5 V, ICCQ = 260 mA, F = 1960 MHz
42
41
40
POUT (dBm)
SKY65112 Gain, ICC vs. POUT
VCC = 5 V, VREF = 5 V, ICCQ = 260 mA, F = 2140 MHz
OIP3 (dBm)
P1 dB = 29 dBm
Gain
ICC
16.0
700
15.5
650
15.0
600
14.5
550
14.0
500
13.5
450
13.0
400
12.5
350
12.0
300
11.5
250
11.0
200
10.5
150
15.5 17.4 19.4 21.6 23.6 25.6 27.4 28.8 29.6 30.1
ICC (mA)
Gain (dB)
1.94
16.0
15.5
15.0
14.5
14.0
13.5
13.0
12.5
12.0
11.5
11.0
10.5
ICC (mA)
lSijl (dB)
10
5
-30
1.90
P1 dB = 30.2 dBm
Gain
20
39
38
37
36
35
8
10
12
14
16
18
20
22
POUT/Tone (dBm)
SKY65112 OIP3, VCC = 5 V, ICCQ = 260 mA,
VREF = 5 V, F = 1960 MHz, Tone Spacing = 1 MHz
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
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December 19, 2006 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • 200453 Rev. B
PRELIMINARY DATA SHEET • SKY65112-84LF
49
47
OIP3 (dBm)
45
43
41
39
37
35
8
10
12
14
16
18
20
22
POUT/Tone (dBm)
SKY65112 OIP3, VCC = 5 V, VREF = 5 V,
ICCQ = 260 mA, F = 2140 MHz, Tone Spacing = 1 MHz
SKY65112 IS-95, F = 1960 MHz
VCC = 5 V, VREF = 5 V, ICCQ = 260 mA,
Clock freq 9.8304 MHz
SKY65112 3GPP WCDMA, F = 2140 MHz
QPSK 45° Offset, Filter Root Cosine,
Roll-off Factor 0.22, Symbol Rate 3.84 Msym/s
VCC = 5 V, VREF = 5 V, ICCQ = 260 mA,
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
200453 Rev. B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • December 19, 2006
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PRELIMINARY DATA SHEET • SKY65112-84LF
Absolute Maximum Ratings
Characteristic
Package and Handling Information
Value
RF input power (PIN)
22 dBm
Supply voltage (VCC)
8V
Reference current (IREF)
10 mA
Total supply current (ICC + IREF)
500 mA
Power dissipation (PDISS)
Case operating temperature(1) (TC)
2W
-40 to +85 °C
Storage temperature (TST)
-50 to +150 °C
Junction temperature (TJ)
-50 to +150 °C
Thermal resistance (θJC)
42 °C/W
1. Case temperature is defined as the temperature of the surface of the exposed paddle
where it is soldered to the printed circuit board ground. This surface must be connected
via the lowest possible thermal impedance to an adequate heatsink.
Performance is guaranteed only under the conditions listed in the specifications table and is
not guaranteed under the full range(s) described by the Absolute Maximum specifications.
Exceeding any of the absolute maximum/minimum specifications may result in permanent
damage to the device and will void the warranty.
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.
Please refer to Skyworks solder reflow application note, available
at www.skyworksinc.com, for instructions on mounting the
SKY65112 to a printed circuit board.
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.
Pin Out
CAUTION: Although this device is designed to be as robust as
possible, ESD (Electrostatic Discharge) 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 must be employed
at all times.
1
8
2
7
3
6
4
5
Exposed
Paddle
Pin Descriptions
Technical Description
The SKY65112 is a single stage linear amplifier. The device
should be externally matched for optimum gain and linearity
using external passive components on the input and on the
output ports. These external components allow the amplifier to
be optimized for the desired operating frequency.
The RF input is internally connected to pins 2, 3 and 4 via
different lengths of bond wire. The inductances produced by
these bond wires can be utilized in the impedance matching
circuit on the amplifier’s input port.
Pin No.
Name
1
VREF
Descriptions
2, 3, 4
RF_In
RF input
5
GND
Ground
6, 7
RF_Out
8
VCC
Supply voltage
Backside
GND
Exposed paddle package ground
Reference voltage input
RF output
The RF output is internally connected to pins 6 and 7 for current
sharing. Both of these pins should be connected externally to the
same printed circuit board trace.
The SKY65112 contains a bias circuit for optimum temperature
tracking performance. An external resistor is used to set the bias
current level. The value of this resistor can be selected to set the
amplifier operational mode to Class A, B, or AB, allowing for
optimization of linearity and efficiency.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
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December 19, 2006 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • 200453 Rev. B
PRELIMINARY DATA SHEET • SKY65112-84LF
Evaluation Board
Test Procedure
The SKY65112 Evaluation Board is used to test the performance
of the SKY65112 power amplifier driver. Schematic diagrams
for evaluation circuits, optimized for output third order intercept
(OIP3) are shown below. Evaluation board schematics and bills
of materials are shown for GSM operation at 940 MHz and also
for DCS/UMTS/CDMA operation near 2 GHz. The mounting
footprint for the SKY65112 is shown in the mounting
footprint schematic.
Use the following procedure to set up the SKY65112 Evaluation
Board for testing. Refer to the mounting footprint schematic
for guidance:
The evaluation board also contains a probe fixture section which
makes it possible to conveniently measure scattering parameters
with ground-signal-ground probes and a vector network analyzer,
directly at the input and output pins of the package. Scattering
parameters measured in this fixture are available upon request.
1. Connect a 5 V supply to VCC. If available, enable the current
limiting function of the power supply to 520 mA.
2. Connect a positive supply to VREF.
3. 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.
4. Connect a spectrum analyzer to the RF signal output port.
5. Enable the power supply.
6. Adjust VREF to set supply current (ICCQ) to 260 mA
7. Enable the RF signal.
Circuit Design Configurations
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 exposed paddle ground pad of the SKY65112 power
amplifier has special electrical and thermal grounding
requirements. This paddle 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 power produced to the circuit board. Multiple vias to
the grounding layer are required.
NOTE: Junction temperature (TJ) of the device increases with a
poor connection to the exposed paddle and ground. This
reduces the lifetime of the device.
8. Take measurements.
CAUTION: If any of the input signals exceed the rated maximum
values, the SKY65112 Evaluation Board can be
permanently damaged.
Recommended Solder Reflow Profiles
Refer to the “Recommended Solder Reflow Profile”
Application Note.
Tape and Reel Information
Refer to the “Discrete Devices and IC Switch/Attenuators
Tape and Reel Package Orientation” Application Note.
3. External bypass capacitors are required on the VCC line and on
pins 1.
4. Bias resistors R2 and R4 and the voltage applied to VREF
determine the reference current, IREF, into pin 1. This current
controls the supply current through the amplifier stage.
A suggested matching circuit is shown in the evaluation board
schematic.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
200453 Rev. B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • December 19, 2006
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PRELIMINARY DATA SHEET • SKY65112-84LF
Evaluation Board Schematic
VCC
C10
C11
VREF
R3
R4
C12
C6
C8
C7
R2
C9
L4
C5
1
8
2
7
3
6
4
5
I REF
M1
RF In
M3
M4
M6
M2
N/C
M8
RF Out
M7
Exposed
Paddle
M5
Evaluation Board Component Values vs. Frequency
Component
450 MHz
940 MHz
1960 MHz
2140 MHz
R1
NA
NA
51 Ω
51 Ω
R2
51 Ω
51 Ω
51 Ω
51 Ω
R3
51 Ω
51 Ω
1.2 kΩ
1.2 kΩ
R4
1.2 kΩ
1.2 kΩ
NA
NA
L4
82 nH (0805)
82 nH (0805)
47 nH (0603)
47 nH (0603)
C5
NA
NA
NA
NA
C6
NA
NA
NA
NA
C7
100 pF
22 pF
10 pF
10 pF
C8
2.2 µF
0.1 µF
0.1 µF
0.1 µF
C9
2.2 µF
0.1 µF
0.1 µF
0.1 µF
C10
10 µF
2.2 µF
2.2 µF
2.2 µF
C11
10 µF
4 µF
4 µF
4 µF
C12
10 µF
4 µF
4 µF
4 µF
M1
33 nH
10 nH
100 pF
100 pF
M2
4.7 pF
2.2 pF
2.2 pF
2.2 pF
M3
10 nH
15 nH
NA
NA
M4
10 Ω
0Ω
NA
NA
M5
5.6 nH
1 nH
NA
NA
M6
27 pF
1.5 nH
NA
NA
M7
5.6 nH
10 pF
3.9 pF
3.9 pF
M8
1000 pF
100 pF
100 pF
100 pF
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
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PRELIMINARY DATA SHEET • SKY65112-84LF
Test Board Assembly 450, 940 MHz
C11
C12
R4
Test Board Assembly 1960, 2140 MHz
C11
C12
R3
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
200453 Rev. B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • December 19, 2006
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PRELIMINARY DATA SHEET • SKY65112-84LF
Evaluation Board Test Configuration
Mounting Footprint
6.985
Power
Supply
0.381
1.800
Input
Signal
Generator
SKY65112
Evaluation Board
Output
1.524
Minimum
Power Meter
or
Spectrum Analyzer
1.270
2.710
SOIC-8
0.635
Minimum
0.050 (1.27 mm) BSC
Pin 8
Pin 1
Indicator
0.244 (6.20 mm)
0.228 (5.80 mm)
0.381 diameter plated-through via
(minimum 20 recommended)
Pin 1
0.066 (1.65 mm)
± 0.005 (0.12 mm)
0.060
(1.73 mm)
Max.
0.049 (1.24 mm)
0.016 (0.41 mm)
0.016 Max.
(0.41 mm) x
45° Chamfer
Exposed
Heat Slug
0.115 (2.65 mm)
± 0.008 (0.12 mm)
Dimensions in mm.
0.020 (0.51 mm) Max.
8°
Max.
0.158 (4.00 mm)
0.150 (3.80 mm)
0.010 (0.25 mm)
0.007 (0.17 mm)
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December 19, 2006 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • 200453 Rev. B
PRELIMINARY DATA SHEET • SKY65112-84LF
Copyright © 2002, 2003, 2004, 2005, 2006, 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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Skyworks products are not intended for use in medical, lifesaving or life-sustaining applications, or other equipment in which the failure of the Skyworks products could lead to personal injury,
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damages resulting from such improper use or sale.
Customers are responsible for their products and applications using Skyworks products, which may deviate from published specifications as a result of design defects, errors, or operation of
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
applications assistance, customer product design, or damage to any equipment resulting from the use of Skyworks products outside of stated published specifications or parameters.
Skyworks, the Skyworks symbol, and “Breakthrough Simplicity” are trademarks or registered trademarks of Skyworks Solutions, Inc., in the United States and other countries. Third-party brands and
names are for identification purposes only, and are the property of their respective owners. Additional information, including relevant terms and conditions, posted at www.skyworksinc.com, are
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Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
200453 Rev. B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • December 19, 2006
11