Data Sheets - Skyworks Solutions, Inc.

DATA SHEET
SKY13438-374LF: 0.1-6.0 GHz DPDT Switch
Applications
• Dual-band wireless LANs (802.11 a/b/g/n)
• Diversity antenna switching
Features
• Broadband frequency range: 0.1 to 6.0 GHz
• Positive control voltage range: 1.8 to 5.0 V
• Low insertion loss:
− 0.65 dB typical @ 2.5 GHz
− 1.20 dB typical @ 6.0 GHz
• High isolation:
− 27 dB typical @ 2.5 GHz
− 25 dB typical @ 6.0 GHz
• P1dB:
− +31 dBm typical @ 3 V, 2.5 GHz
− +29 dBm typical @ 3 V, 6.0 GHz
• Small, MLPD (6-pin, 1.5 x 1.5 mm) Pb-free package (MSL1,
260 °C per JEDEC J-STD-020)
Figure 1. SKY13438-374LF Block Diagram
Description
The SKY13438-374LF is a pHEMT GaAs Double-Pole, DoubleThrow (DPDT) switch designed for 2.4 and 6.0 GHz, dual-band
wireless LAN applications. The switch provides high linearity
performance, low insertion loss, and high isolation in both
frequency bands.
Switching is controlled by two voltage inputs (V1 and V2).
Depending on the logic voltage level applied to the control pins,
the ANT1 and ANT2 pins connect to one of two switched RF
outputs (RX or TX) through a low insertion loss path while
maintaining a high isolation path to the alternate port.
The switch is manufactured in a compact, 1.5 x 1.5 mm, 6-pin
exposed pad plastic Micro Leadframe Package Dual (MLPD)
package.
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.
Figure 2. SKY13438-374LF Pinout – 6-Pin MLPD
(Top View)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201844B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • July 17, 2013
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DATA SHEET • SKY13438-374LF DPDT SWITCH
Table 1. SKY13438-374LF Signal Descriptions
Pin #
Note:
Name
Description
Pin #
Name
Description
1
ANT2
Antenna 2 RF port. Must be DC-blocked for
proper operation.
4
TX
Transmit RF port. Must be DC-blocked for
proper operation.
2
V2
DC control voltage 2
5
V1
DC control voltage 1
3
RX
Receive RF port. Must be DC-blocked for
proper operation.
6
ANT1
Antenna 1 RF port. Must be DC-blocked for
proper operation.
Exposed backside ground pad must be properly grounded through a low impedance path.
Table 2. SKY13438-374LF Absolute Maximum Ratings
Parameter
Symbol
Control voltage
V1, V2
RF input power
PIN
Storage temperature
TSTG
Operating temperature
TOP
Note:
Minimum
Typical
Maximum
Units
6
V
+32
dBm
–40
+125
°C
–40
+85
°C
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 value. 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.
Electrical and Mechanical Specifications
The absolute maximum ratings of the SKY13438-374LF are
provided in Table 2. Electrical specifications are provided in
Table 3.
Typical performance characteristics are illustrated in Figures 3 to
9.
The state of the SKY13438-374LF is determined by the logic
provided in Table 4.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • SKY13438-374LF DPDT SWITCH
Table 3. SKY13438-374LF Electrical Specifications (Note 1)
(VCTL = 0 V and +3.0 V, TOP = +25 °C, PIN = 0 dBm, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Parameter
Symbol
Test Condition
Min
Typical
Max
Units
0.50
0.65
1.00
1.20
0.75
0.9
1.30
1.40
dB
dB
dB
dB
RF Specifications
Insertion loss
IL
ANT1/ANT2 to RX/TX:
0.1 to 1.0 GHz
1.0 to 2.5 GHz
2.5 to 4.9 GHz
4.9 to 6.0 GHz
Isolation
Iso
ANT1/ANT2 to RX/TX:
0.1 to 1.0 GHz
1.0 to 2.5 GHz
2.5 to 4.9 GHz
4.9 to 6.0 GHz
Isolation
Iso
30
26
23
22
34
27
24
25
dB
dB
dB
dB
27
24
31
29
dB
dB
ANT1 to ANT2, RX to TX:
2.4 to 2.5 GHz
4.9 to 6.0 GHz
Return loss (Note 2)
|S11|
ANT1/ANT2 to RX/TX,
0.1 to 6.0 GHz
15
dB
1 dB Input Compression Point
IP1dB
0.1 to 2.4 GHz
4.9 to 6.0 GHz
+31
+29
dBm
dBm
Input IP3
IIP3
PIN = +20 dBm/tone,
Δf = 1 MHz:
2.5 GHz
4.9 to 6.0 GHz
+54
+52
dBm
dBm
2nd harmonic
2fo
PIN = +20 dBm,
0.1 to 6.0 GHz
+72
dBc
3rd harmonic
3fo
PIN = +20 dBm,
0.1 to 6.0 GHz
+73
dBc
50% V1/V2 to 90/10% RF
160
ns
90/10% RF or 10/90% RF
75
ns
Switching speed
DC Specifications
Control voltage:
high
low
V1, V2
Control current
ICC
1.8
–0.2
3.0
0
5.0
0.2
V
V
μA
5
Note 1: Performance is guaranteed only under the conditions listed in this Table.
Note 2: Lower frequency return loss is dependent on the DC blocking capacitor value.
Table 4. SKY13438-374LF Truth Table
Note:
V1 (Pin 5)
V2 (Pin 2)
High
Low
Low
High
ANT1 (Pin 6) to
TX (Pin 4)
ANT1 (Pin 6) to
RX (Pin 3)
ANT2 (Pin 1) to
TX (Pin 4)
ANT2 (Pin 1) to
RX (Pin 3)
Isolation state
Insertion loss state
Insertion loss state
Isolation state
Insertion loss state
Isolation state
Isolation state
Insertion loss state
High = +1.8 V to +5 V. Low = –0.2 V to +0.2 V.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201844B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • July 17, 2013
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DATA SHEET • SKY13438-374LF DPDT SWITCH
Typical Performance Characteristics
(VCTL = 0 V and +3.0 V, TOP = +25 °C, PIN = 0 dBm, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Figure 3. Insertion Loss vs Frequency
Figure 4. Isolation vs Frequency
(ANT1 or ANT2 to TX or RX)
Figure 5. Isolation vs Frequency
(ANT1 to ANT2 and TX to RX)
Figure 6. Return Loss vs Frequency
(ANT2 to TX, ANT1 to RX Active)
Figure 7. Return Loss vs Frequency
(ANT2 to RX, ANT1 to TX Active)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • SKY13438-374LF DPDT SWITCH
Figure 8. Compression vs Input Power
@ 2.50 GHz and 3 V
Figure 9. Compression vs Input Power
@ 4.85 to 6.00 GHz and 3 V
Evaluation Board Description
Package and Handling Information
The SKY13438-374LF Evaluation Board is used to test the
performance of the SKY13438-374LF SPDT Switch. An Evaluation
Board schematic diagram is provided in Figure 10. The Bill of
Materials (BOM) for compoents on the Evaluation Board are listed
in Table 5. An assembly drawing for the Evaluation Board is
shown in Figure 11.
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.
Package Dimensions
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.
The PCB layout footprint for the SKY13438-374LF is provided in
Figure 12. Typical case markings are shown in Figure 13.
Package dimensions for the 6-pin MLPD are shown in Figure 14,
and tape and reel dimensions are provided in Figure 15.
The SKY13438-374LF is rated to Moisture Sensitivity Level 1
(MSL1) at 260 °C. It can be used for lead or lead-free soldering.
Figure 10. SKY13438-374LF Evaluation Board Schematic
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201844B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • July 17, 2013
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DATA SHEET • SKY13438-374LF DPDT SWITCH
Table 5. SKY13438-374LF Evaluation Board Bill of Materials
Component
Value
Size
Manufacturer
Characteristic
CBL
47 pF
0402
Murata GRM Series
DC blocking capacitor
CBYP
10 pF
0402
Murata GRM Series
Decoupling capacitor
Figure 11. SKY13438-374LF Evaluation Board Assembly Diagram
Figure 12. SKY13438-374LF PCB Layout Footprint
(Top View)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • SKY13438-374LF DPDT SWITCH
Figure 13. Typical Part Markings
(Top View)
Figure 14. SKY13438-374LF 6-Pin QFN Package Dimensions
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201844B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • July 17, 2013
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DATA SHEET • SKY13438-374LF DPDT SWITCH
Figure 15. SKY13438-374LF Tape and Reel Dimensions
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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July 17, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201844B
DATA SHEET • SKY13438-374LF DPDT SWITCH
Ordering Information
Model Name
SKY13438-374LF DPDT Switch
Manufacturing Part Number
SKY13438-374LF
Evaluation Board Part Number
SKY13438-374LF-EVB
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Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201844B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • July 17, 2013
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