DATA SHEET
SKY13276-334: 0.1-6.0 GHz GaAs 1 W Low Loss pHEMT SPDT
Switch
Applications
WLAN 802.11 a/b/g/n networks
V2
J3
Features
Positive low voltage control: 0 and 3 V
Low insertion loss: 0.7 dB typical over 0.1 to 6.0 GHz
High linearity: IIP3 = +53 dBm @ 3 V
High isolation, 20 dB typical @ 2.4 GHz
Small footprint, LGA (6-pin, 1.5 x 1.2 x 0.8 mm) package
(MSL1, 260 C per JEDEC J-STD-020)
J1
J2
V1
S1614
Figure 1. SKY13276-334 Block Diagram
Description
The SKY13276-334 is a GaAs pHEMT Single-Pole, Double-Throw
(SPDT) antenna switch. Designed for WLAN applications, this
switch is capable of switching 1 W microwave signals with a 3 V
control voltage while maintaining high-linearity performance.
J3
1
6
V2
GND
2
5
J1
J2
3
4
V1
The SKY13276-334 covers the entire 802.11a/b/g/n frequency
ranges, the public service band at 4.9 GHz, and several Industrial,
Scientific, Medical (ISM) and WiMAX bands. The low loss, high
isolation, high linearity, and low cost features make this switch
ideal for transmit/receive or antenna diversity switching.
The switch is manufactured in a compact, 1.5 x 1.2 x 0.8 mm,
6-pin Land Grid Array (LGA) 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. SKY13276-334 Pinout – 6-Pin LGA
(Top View)
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DATA SHEET • SKY13276-334 SPDT SWITCH
Table 1. SKY13276-334 Signal Descriptions
Pin #
1
Name
J3
Description
Pin #
RF output
4
Name
V1
Description
Positive control voltage
2
GND
Ground
5
J1
RF common/antenna port
3
J2
RF output
6
V2
Positive control voltage
Table 2. SKY13276-334 Absolute Maximum Ratings
Parameter
Symbol
Minimum
Typical
Maximum
Units
Input power @ 0 to 3 V
PIN
+32
dBm
Input power @ 0 to 5 V
PIN
+35
dBm
Operating voltage
VCTL
Storage temperature
TSTG
–65
+150
C
Operating temperature
TOP
–40
+85
C
Note:
8
V
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 SKY13276-334 are
provided in Table 2. Electrical specifications are provided in
Table 3.
The state of the SKY13276-334 is determined by the logic
provided in Table 4.
Typical performance characteristics of the SKY13276-334 are
illustrated in Figures 3 through 5.
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DATA SHEET • SKY13276-334 SPDT SWITCH
Table 3. SKY13276-334 Electrical Specifications (Note 1)
(VCTL = 0 to 3 V, TOP = +25 C, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Parameter
Symbol
Test Condition
Min
Typical
Max
Units
0.70
0.60
0.70
0.85
0.70
0.80
dB
dB
dB
Insertion loss (J1 to J2 and J1 to J3)
IL
1.00 to 6.00 GHz
2.40 to 2.50 GHz
5.15 to 5.85 GHz
Isolation (J1 to J2 and J1 to J3)
ISO
1.00 to 6.00 GHz
2.40 to 2.50 GHz
5.15 to 5.85 GHz
16
18
16
20
20
21
dB
dB
dB
Return loss (J1 to J2 and J1 to J3)
|S11|
1.00 to 6.00 GHz
2.40 to 2.50 GHz
5.15 to 5.85 GHz
15
23
18
20
25
23
dB
dB
dB
1 dB input compression point @ 5.2 GHz
IP1dB
@3V
@5V
+30
+34
dBm
dBm
2nd harmonic @ 2.45 GHz
2fO
PIN = +22 dBm,
VCTL = 3 V
–70
dBc
3rd harmonic @ 2.45 GHz
rd
3 Order Input Intercept Point @ 5.2 GHz
3fO
IIP3
VCTL = 5 V
–75
dBc
PIN = +22 dBm,
VCTL = 3 V
–68
dBc
VCTL = 5 V
–70
dBc
+53
+55
dBm
dBm
Two-tone +15 dBm,
5 MHz spacing
VCTL = 0 and 3 V
VCTL = 0 and 5 V
Control voltage:
Low
High
Gate leakage
VCTL_L
VCTL_H
2.5
VCTL = 3 V
VCTL = 5 V
–0.25
3.0
+0.25
5.0
V
V
10
15
100
200
μA
μA
Note 1: Performance is guaranteed only under the conditions listed in this Table.
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DATA SHEET • SKY13276-334 SPDT SWITCH
Typical Performance Characteristics
(VCTL = 0 V to 3 V, TOP = +25 C, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
0
0
–0.2
–5
–10
–0.6
Isolation (dB)
Insertion Loss (dB)
–0.4
–0.8
–1.0
–1.2
–1.4
lS21l: RFC to J1 in Insertion Loss State
lS31l: RFC to J2 in Insertion Loss State
–1.6
–15
–20
–25
–30
–35
–1.8
–2.0
lS21l: RFC to J1 isolation with RFC to J2 in insertion loss state
lS31l: RFC to J2 isolation with RFC to J1 in insertion loss state
0
1
2
3
4
5
–40
6
0
1
Frequency (GHz)
3
4
6
Figure 4. Isolation vs Frequency
0
–5
–5
–10
–10
Return Loss (dB)
0
–15
–20
–25
–30
–35
–15
–20
–25
–30
–35
lS11l: RFC return loss with RFC to J1 in insertion loss state
lS22l: J1 return loss with RFC to J1 in insertion loss state
lS33l: J2 return loss with RFC to J1 in insertion loss state
–40
–45
lS11l: RFC return loss with RFC to J2 in insertion loss state
lS22l: J1 return loss with RFC to J2 in insertion loss state
lS33l: J2 return loss with RFC to J2 in insertion loss state
–40
–45
0
1
2
3
4
Frequency (GHz)
Figure 5. Return Loss vs Frequency
(RFC to J1)
5
6
0
1
2
3
4
Frequency (GHz)
Figure 6. Return Loss vs Frequency
(RFC to J2)
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5
Frequency (GHz)
Figure 3. Insertion Loss vs Frequency
Return Loss (dB)
2
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6
DATA SHEET • SKY13276-334 SPDT SWITCH
Table 4. SKY13276-334 Truth Table
Note:
V1 (Pin 4)
V2 (Pin 6)
0
VHIGH
VHIGH
0
J1 to J2 Path
J1 to J3 Path
Isolation
Insertion loss
Insertion loss
Isolation
Vhigh = +2.5 V to +5 V. “0” = 0 V to +0.25 V. Any state other than described in this Table places the switch into an undefined state. An undefined state will not damage the device.
Evaluation Board Description
Package and Handling Information
The SKY13276-334 Evaluation Board is used to test the
performance of the SKY13276-334 SPDT Switch. An assembly
drawing for the Evaluation Board is shown in Figure 7. The
Evaluation Board schematic diagram is provided in Figure 8.
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 SKY13276-334 is rated to Moisture Sensitivity Level 1
(MSL1) at 260 C. It can be used for lead or lead-free soldering.
Package Dimensions
The PCB layout footprint for the SKY13276-334 is provided in
Figure 9. Typical case markings are shown in Figure 10. Package
dimensions for the 6-pin LGA are shown in Figure 11, and tape
and reel dimensions are provided in Figure 12.
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, Discrete Devices and IC Switch/Attenuators
Tape and Reel Package Orientation, document number 200083.
Figure 7. SKY13276-334 Evaluation Board Assembly Diagram
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DATA SHEET • SKY13276-334 SPDT SWITCH
CBL
RF Output
1
2
CBL
RF Output
3
J3
V2
GND
J1
J2
V1
6
5
Positive Control
Voltage
CBL
4
RF Common/Antenna
Port
Positive Control
Voltage
S1613
Figure 8. SKY13276-334 Evaluation Board Schematic
6X 0.20
Pitch 0.50
Detail A
0.05
Metal Land Pad
Solder Mask Opening
0.33
0.23
0.55
0.65
Detail A 6X
Scale = 60X
S1616
Figure 9. SKY13276-334 PCB Layout Footprint
(Top View)
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DATA SHEET • SKY13276-334 SPDT SWITCH
Device
Marking
G
Pin 1
Indicator
Figure 10. Typical Part Markings
(Top View)
2X
0.10 Z
1.5
Detail A
X
CL
0.82 ± 0.08
4
Y
5
6
2X
0.10 Z
Pin 1
Indicator
CL
1.2
3
2
0.5
Detail B
1
1
Side View
Bottom View
6X 0.40 ± 0.03
Top View
4
6X 0.23 ± 0.03
0.15 M X Y
Detail A
0.50 ± 0.04
0.32 ± 0.04
0.10 Z
Z Seating Plane
3
Detail B
All measurements are in millimeters.
Dimensioning and tolerancing according to ASME Y14.5M-1994.
Primary datum –Z– is seating plane.
Lead width is measured at the maximum land diameter, parallel to primary datum –Z–.
Termination metalization is gold.
S1615
Figure 11. SKY13276-334 6-Pin LGA Package Dimensions
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DATA SHEET • SKY13276-334 SPDT SWITCH
4.00 ± 0.10
2.00 ± 0.05
4.00 ± 0.10
∅1.50 + P0.10/–0.00
1.75 ± 0.10
0.30 ± 0.05 (T)
1.40 ± 0.10 (Bo)
A
3.50 ± 0.05
R0.30 Max.
A
8.00 +0.30/–0.10
B
B
1.00 ± 0.10 (Ko)
Pin 1
B
∅1.00 Min.
1.70 ± 0.10 (Ao)
Notes:
1. Carrier tape: black conductive polystyrene.
2. Cover tape material: transparent conductive HSA.
3. Cover tape size: 5.40 mm width.
4. Ten sprocket hole pitch cumulative tolerance ±0.20 mm.
5. All measurements are in millimeters.
R0.30 Max.
A
S1617
Figure 12. SKY13276-334 Tape and Reel Dimensions
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February 18, 2010 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 200641F
DATA SHEET • SKY13276-334 SPDT SWITCH
Ordering Information
Model Name
SKY13276-334 SPDT Switch
Manufacturing Part Number
SKY13276-334
Evaluation Board Part Number
SK39653, rev. 2
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