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DATA SHEET
SKY13373-460LF: 0.1-6.0 GHz SP3T Switch
Applications
• WCDMA band and mode switching
• Antenna switch for multimode systems
• 802.11a/b/g/n WLANs
Features
• Broadband frequency range: 0.1 to 6.0 GHz
• Low insertion loss: 0.45 dB @ 2.5 GHz
• High isolation: 30 dB up to 2.5 GHz
• No external DC blocking capacitors required
• Positive low voltage control: VCTL = 1.65 to 3.00 V,
VDD = 2.5 to 4.8 V
• Small, QFN (12-pin, 2 x 2 mm) package (MSL1, 260 °C per
JEDEC J-STD-020)
Figure 1. SKY13373-460LF Block Diagram
Description
The SKY13373-460LF is a CMOS silicon-on-insulator (SOI),
single-pole, triple-throw (SP3T) switch. The high linearity
performance and low insertion loss makes the device an ideal
choice for WCDMA handset and data card applications.
The SKY13373-460LF SP3T switch is provided in a compact Quad
Flat No-Lead (QFN) 2 x 2 mm 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. SKY13373-460LF Pinout – 12-Pin QFN
(Top View)
DATA SHEET • SKY13373-460LF SP3T SWITCH
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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Table 1. SKY13373-460LF Signal Descriptions
Pin # Name Description Pin # Name Description
1 J1 RF port 1. 7 GND Ground
2 GND Ground 8 GND Ground
3 J3 RF port 3. 9 J2 RF port 2.
4 V1 DC control voltage 1. See Table 4. 10 GND Ground
5 V2 DC control voltage 2. See Table 4. 11 RFC RF common (antenna) port.
6 VDD DC power supply. 12 GND Ground
Note: Exposed pad must be grounded.
Table 2. SKY13373-460LF Absolute Maximum Ratings (Note 1)
Parameter Symbol Minimum Maximum Units
Supply voltage VDD 2.5 4.8 V
Control voltage (Note 2) VCTL 1.65 3.30 V
Input power PIN +39 dBm
Storage temperature TSTG –40 +125 °C
Operating temperature TOP –40 +85 °C
Note 1: 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.
Note 2: Any bias voltage applied to the V1, V2, or V3 pins may damage the device if there is no bias voltage also present on the VDD pin. Maximum control voltage cannot exceed VDD.
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.
Functional Description
The SKY13373-460LF includes an internal negative voltage
generator and decoder that eliminate the need for external DC
blocking capacitors on the RF ports. No external components are
required for proper operation. DC decoupling capacitors may be
added on the VDD and control lines if necessary.
Switching is controlled by two control voltage inputs, V1 and V2.
Depending on the logic voltage level applied to the control pins,
the RFC (RF common) pin is connected to one of three switched
RF outputs (J1, J2, or J3) through a low insertion path, while the
path between the RFC pin and the other RF pins is in a high
isolation state.
Shutdown mode is enabled by connecting all control pins to logic
low. This mode reduces the overall current consumption of the
device to 5 μA, typical. To prevent the switch from accidentally
entering shutdown mode during switching, all states must be set
to logic low for at least 20 μs. When exiting shutdown mode, the
switch as a 10.5 μs startup time before switching occurs.
Electrical and Mechanical Specifications
The absolute maximum ratings of the SKY13373-460LF are
provided in Table 2. Electrical specifications are provided in
Table 3.
The state of the SKY13373-460LF is determined by the logic
provided in Table 4.
Typical performance characteristics of the SKY13373-460LF are
illustrated in Figures 3 through 6.
DATA SHEET • SKY13373-460LF SP3T SWITCH
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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Table 3. SKY13373-460LF Electrical Specifications (Note 1)
(VDD = 2.3 V to 4.8 V, V1 = V2 = 0 to 1.8 V, TOP = +25 °C, PIN = 0 dBm, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Parameter Symbol Test Condition Min Typical Max Units
RF Specifications
Insertion loss IL 0.8 to 1.0 GHz
1.0 to 2.2 GHz
2.2 to 3.0 GHz
4.9 to 6.0 GHz
0.35
0.40
0.50
0.80
0.40
0.55
0.60
1.00
dB
dB
dB
dB
Isolation ISO 0.8 to 1.0 GHz
1.0 to 2.2 GHz
2.2 to 3.0 GHz
4.9 to 6.0 GHz
35
28
25
18
40
33
30
22
dB
dB
dB
dB
Return loss |S11| 0.8 to 6.0 GHz 17 dB
3rd Order Input Intercept Point IIP3 0.8 to 3.0 GHz,
ΔF = 1 MHz,
PIN = +20 dBm/tone
+65 +70 dBm
Input 0.1 dB compression point P0.1dB 0.8 to 6.0 GHz,
RFC to J1, J2, and J3
+39 dBm
2nd harmonic 2fo 0.8 to 3.0 GHz,
PIN = +20 dBm
+85 dBc
3rd harmonic 3fo 0.8 to 3.0 GHz,
PIN = +20 dBm
+85 dBc
Switching rise time 10/90% RF 250 ns
Switching fall time 90/10% RF 250 ns
Switching on time 50% VCTL to 10/90% RF 1500 ns
Switching off time 50% VCTL to 90/10% RF 1500 ns
Startup time Shutdown state to any RF
switch state
20 μs
DC Specifications
Control voltage:
High
Low
VCTL_HIGH
VCTL_LOW
1.65
0
1.80
3.00 (Note 2)
0.4
V
V
Supply voltage VDD 2.5 4.8 V
Supply current IDD VDD = 3.5 V 60 μA
Control current Ictl V1 = V2 = 1.8 V 2 μA
Shutdown mode supply current Ioff VDD = 3.5 V,
V1 = V2 = 0 V
5 μA
Note 1: Performance is guaranteed only under the conditions listed in this Table.
Note 2: Control voltage should not exceed supply voltage.
Table 4. SKY13373-460LF Truth Table
V1
(Pin 4)
V2
(Pin 5)
State
0 0 Shutdown
1 0 RFC to J2
0 1 RFC to J1
1 1 RFC to J3
Note
: 1 = 1.65 to 3.30 V; 0 = 0 to 0.4 V. Any state other than described in this Table places the switch into an undefined state.
DATA SHEET • SKY13373-460LF SP3T SWITCH
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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Typical Performance Characteristics
(VDD = 2.3 V to 4.8 V, V1 = V2 = 0 to 1.8 V, TOP = +25 °C, PIN = 0 dBm, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Figure 3. Typical Insertion Loss vs Frequency
Figure 5. Typical Isolation vs Frequency
(RFC to J2 Insertion Loss State)
Figure 4. Typical Isolation vs Frequency
(RFC to J1 Insertion Loss State)
Figure 6. Typical Isolation vs Frequency
(RFC to J3 Insertion Loss State)
DATA SHEET • SKY13373-460LF SP3T SWITCH
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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Evaluation Board Description
The SKY13373-460LF Evaluation Board is used to test the
performance of the SKY13373-460LF SP3T Switch. The board is
made from a two-layer construction with ½ oz. copper cladding
on top and bottom. The first layer material is 12-mil Rogers
4003C. The second layer material is 49-mil of FR4 for a total
board thickness of about 62 mils. The impedance of all RF traces
is 50 Ω.
An Evaluation Board schematic diagram is provided in Figure 7.
An assembly drawing for the Evaluation Board is shown in
Figure 8.
Package Dimensions
The PCB layout footprint for the SKY13373-460LF is provided in
Figure 9. Typical case markings are shown in Figure 10. Package
dimensions for the 12-pin QFN are shown in Figure 11, and tape
and reel dimensions are provided in Figure 12.
Package and Handling Information
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.
THE SKY13373-460LF 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 7. SKY13373-460LF Evaluation Board Schematic
DATA SHEET • SKY13373-460LF SP3T SWITCH
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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Figure 8. SKY13373-460LF Evaluation Board Assembly Diagram
Figure 9. SKY13373-460LF PCB Layout Footprint
(Top View)
DATA SHEET • SKY13373-460LF SP3T SWITCH
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Figure 10. Typical Case Markings
(Top View)
Figure 11. SKY13373-460LF 12-Pin QFN Package Dimensions
DATA SHEET • SKY13373-460LF SP3T SWITCH
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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Figure 12. SKY13373-460LF Tape and Reel Dimensions
DATA SHEET • SKY13373-460LF SP3T SWITCH
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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Ordering Information
Model Name Manufacturing Part Number Evaluation Board Part Number
SKY13373-460LF SP3T Switch SKY13373-460LF SKY13373-460LF-EVB
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