Data Sheets - Skyworks Solutions, Inc.

DATA SHEET
SKY13445-368LF: Dual-Band SP3T + SP2T Switch
Applications
• WLAN 802.11 a/b/g/n/ac networks
• Embedded modules
Features
• SP3T (2 GHz) and SP2T (5 GHz) switches with Bluetooth®
capability
• Positive voltage control: 2.7 to 3.6 V
• IP0.5dB: +29.5 dBm typical @ 2.5 GHz and 3 V
• Small QFN (12-pin, 2 x 2 mm) package (MSL1, 260 °C per
JEDEC J-STD-020)
Figure 1. SKY13445-368LF Block Diagram
Description
The SKY13445-368LF is a pHEMT GaAs switch. The device
includes a Single-Pole, Triple-Throw (SP3T) switch for 2 GHz
WLAN transmit, receive, and Bluetooth functions, and a SinglePole, Double-Throw (SP2T) switch for 5 GHz transmit and receive
functions.
Any of the RF ports can be used for any RF function regardless of
the port name. The SKY13445-368LF requires external DC
blocking capacitors on all RF ports.
Both the SP3T and SP2T switches are fabricated on the same
substrate. The active path is selected with five positive voltage
control lines (V1, V2, and V3 for low band switching, and V4 and
V5 for high band switching). In low band mode, the high band
paths are in isolation by applying a low voltage to the two control
lines, V4 and V5.
The switch is manufactured in a compact, 2 x 2 mm, 12-pin
exposed pad plastic Quad Flat No-Lead (QFN) 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. SKY13445-368LF Pinout – 12-Pin QFN
(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 • SKY13445-368LF DUAL-BAND, SPDT + SP3T WLAN SWITCH
Table 1. SKY13445-368LF Signal Descriptions
Pin #
Note:
Name
Description
Pin #
Name
Description
1
VC4
Control line 4 for ANT5 to RX5 path
7
RX2
2.4 to 2.5 GHz receive port. Must be DC
blocked for proper operation.
2
VC5
Control line 5 for ANT5 to TX5 path
8
BT
Bluetooth RF port. Must be DC blocked for
proper operation.
3
RX5
4.9 to 6.0 GHz receive port. Must be DC
blocked for proper operation.
9
VC3
Control line 3 for ANT2 to RX2 path
4
TX5
4.9 to 6.0 GHz transmit port. Must be DC
blocked for proper operation.
10
ANT2
2.4 to 2.5 GHz antenna port. Must be DC
blocked for proper operation.
5
VC2
Control line 2 for ANT2 to TX2 path
11
VC1
Control line 1 for ANT2 to BT path
6
TX2
2.4 to 2.5 GHz transmit port. Must be DC
blocked for proper operation.
12
ANT5
4.9 to 6.0 GHz antenna port. Must be DC
blocked for proper operation.
Bottom ground paddle must be connected to ground.
Table 2. SKY13445-368LF Absolute Maximum Ratings
Parameter
Symbol
Minimum
Maximum
Units
–0.5
+5.0
V
+31
+29
dBm
dBm
Control voltage (room temperature, normal operating power)
VCTL
RF input power (OFDM modulated):
2.5 GHz, SP3T switch
5.0 GHz, SP2T switch
PIN2G
PIN5G
Storage temperature
TSTG
–55
+150
°C
Operating temperature
TOP
–30
+90
°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 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 SKY13445-368LF are
provided in Table 2. Electrical specifications are provided in
Tables 3 and 4.
The state of the SKY13445-368LF is determined by the logic
provided in Table 5.
Typical performance characteristics of the SKY13445-368LF are
illustrated in Figures 3 to 10.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • SKY13445-368LF DUAL-BAND, SPDT + SP3T WLAN SWITCH
Table 3. SKY13445-368LF Electrical Specifications (Note 1)
(VCTL = 0 V [Low] and 3 V [High], TOP = +25 °C, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Parameter
Symbol
Test Condition
Min
Typical
Max
Units
0.7
0.9
dB
2 GHz SP3T
Insertion loss, 2 GHz
IL
ANT2 to RX2, TX2, and
BT; f = 2.4 to 2.5 GHz
Return loss (insertion loss state), 2 GHz
RL
ANT2 to RX2, TX2, and
BT; f = 2.4 to 2.5 GHz
14
18
dB
Isolation, 2 GHz
Iso
ANT2 to RX2, TX2, and
BT; one path on;
f = 2.4 to 2.5 GHz
18
24
dB
Antenna isolation, 2 GHz
Iso
ANT2 to ANT5:
One 2 GHz path on,
f = 2.4 to 2.5 GHz
20
22
dB
One 2 GHz path on,
f = 4.8 to 5.0 GHz
20
Switching speed
22
dB
50
ns
+20
+22
dBm
+27.0
+29.5
dBm
50% control to 90/10%
RF steady state power
Error Vector Magnitude
EVM
Input power for 2.5%
error, WLAN 2.45 GHz,
802.11g, OFDM, 54 Mbps,
64 QAM
0.5 dB Input Compression Point
IP0.5dB
f = 2.5 GHz
Insertion loss, 5 GHz
IL
ANT5 to RX5 and TX5,
f = 4.9 to 5.9 GHz
1.20
Return loss (insertion loss state), 5 GHz
RL
ANT5 to RX2 and TX2,
f = 4.9 to 5.9 GHz
13
dB
Isolation, 5 GHz
Iso
ANT5 to RX5, or ANT5 to
TX5; one path on;
f = 4.9 to 5.9 GHz
15.0
20.5
dB
Antenna isolation, 5 GHz
Iso
ANT2 to ANT5, one 5 GHz
path on,
f = 4.8 to 5.9 GHz
15
20
dB
50
ns
+17.5
+19.0
dBm
+26
+28
dBm
5 GHz SP2T
Switching speed
50% control to 90/10%
RF steady state power
Error Vector Magnitude
EVM
Input power for 2.5%
error, WLAN 4.9 to
6.0 GHz, 802.11g, OFDM,
54 Mbps, 64 QAM
0.5 dB Input Compression Point
IP0.5dB
f = 5.0 GHz
1.35
dB
Note 1: Performance is guaranteed only under the conditions listed in this Table.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • SKY13445-368LF DUAL-BAND, SPDT + SP3T WLAN SWITCH
Table 4. SKY13445-368LF Electrical Specifications (Note 1)
(VCTL = 3 V, TOP = +25 °C, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Parameter
Symbol
Control voltage:
Low
High
VCTL_L
VCTL_H
Leakage current
ILEAK
Test Condition
Min
Typical
Max
Units
0
2.7
3.0
0.2
5.0
V
V
15
30
μA
VC1/2/3/4/5 = 3 V
Note 1: Performance is guaranteed only under the conditions listed in this Table.
Table 5. SKY13445-368LF Truth Table (Note 1)
Control Signal Logic
Function
Insertion Loss/Isolation State
VC1
(Pin 11)
VC2
(Pin 5)
VC3
(Pin 9)
VC4
(Pin 1)
VC5
(Pin 2)
ANT2 to
BT
ANT2 to
TX2
ANT2 to
RX2
ANT5 to
Rx5
ANT5 to
TX5
ANT2 to BT
1
0
0
0
0
Insertion
Loss
Isolation
Isolation
Isolation
Isolation
ANT2 to TX2
0
1
0
0
0
Isolation
Insertion
Loss
Isolation
Isolation
Isolation
ANT2 to RX2
0
0
1
0
0
Isolation
Isolation
Insertion
Loss
Isolation
Isolation
ANT5 to RX5
0
0
0
1
0
Isolation
Isolation
Isolation
Insertion
Loss
Isolation
ANT5 to TX5
0
0
0
0
1
Isolation
Isolation
Isolation
Isolation
Insertion
Loss
ANT2 to BT, ANT5 to RX5
1
0
0
1
0
Insertion
Loss
Isolation
Isolation
Insertion
Loss
Isolation
ANT2 to BT, ANT5 to TX5
1
0
0
0
1
Insertion
Loss
Isolation
Isolation
Isolation
Insertion
Loss
ANT2 to TX2, ANT5 to RX5
0
1
0
1
0
Isolation
Insertion
Loss
Isolation
Insertion
Loss
Isolation
ANT2 to TX2, ANT5 to TX5
0
1
0
0
1
Isolation
Insertion
Loss
Isolation
Isolation
Insertion
Loss
ANT2 to RX2, ANT5 to RX5
0
0
1
1
0
Isolation
Isolation
Insertion
Loss
Insertion
Loss
Isolation
ANT2 to RX2, ANT5 to TX5
0
0
1
0
1
Isolation
Isolation
Insertion
Loss
Isolation
Insertion
Loss
Note:
Any state other than described in this Table places the switch into an undefined state. An undefined state will not damage the device.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • SKY13445-368LF DUAL-BAND, SPDT + SP3T WLAN SWITCH
Typical Performance Characteristics
(VCTL = 0 V [Low] and 3 V [High], TOP = +25 °C, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Figure 3. Typical Insertion Loss vs Frequency
(2 GHz, SP3T)
Figure 4. Typical Input Return Loss vs Frequency
(2 GHz, SP3T)
Figure 5. Typical Isolation vs Frequency
(2 GHz, SP3T)
Figure 6. Typical Insertion Loss vs Frequency
(5 GHz, SP2T)
Figure 7. Typical Input Return Loss vs Frequency
(5 GHz, SP2T)
Figure 8. Typical Isolation vs Frequency
(5 GHz, SP5T)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • SKY13445-368LF DUAL-BAND, SPDT + SP3T WLAN SWITCH
Figure 9. Typical EVM vs Burst Power @ 2500 MHz
Figure 10. Typical EVM vs Burst Power @ 5500 MHz
Evaluation Board Description
Package and Handling Information
The SKY13445-368LF Evaluation Board is used to test the
performance of the SKY13445-368LF Dual-Band Switch. An
Evaluation Board schematic diagram is provided in Figure 11. An
assembly drawing for the Evaluation Board is shown in Figure 12.
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
The PCB layout footprint for the SKY13445-368LF is provided in
Figure 13. Typical case markings are shown in Figure 14.
Package dimensions for the 12-pin QFN are shown in Figure 15,
and tape and reel dimensions are provided in Figure 16.
THE SKY13445-368LF is rated to Moisture Sensitivity Level 1
(MSL1) at 260 °C. It can be used for lead or lead-free soldering.
For additional information, refer to the Skyworks Application Note,
Solder Reflow Information, document number 200164.
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.
Figure 11. SKY13445-368LF Evaluation Board Schematic
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • SKY13445-368LF DUAL-BAND, SPDT + SP3T WLAN SWITCH
Figure 12. SKY13445-368LF Evaluation Board Assembly Diagram
Figure 13. SKY13445-368LF 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 • SKY13445-368LF DUAL-BAND, SPDT + SP3T WLAN SWITCH
Figure 14. Typical Case Markings
(Top View)
Figure 15. SKY13445-368LF 12-Pin QFN Package Dimensions
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • SKY13445-368LF DUAL-BAND, SPDT + SP3T WLAN SWITCH
Figure 16. SKY13445-368LF 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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DATA SHEET • SKY13445-368LF DUAL-BAND, SPDT + SP3T WLAN SWITCH
Ordering Information
Model Name
SKY13445-368LF Dual-Band SP2T + SP3T Switch
Manufacturing Part Number
SKY13445-368LF
Evaluation Board Part Number
SKY13445-368LF-EVB
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