201373A.pdf

DATA SHEET
SKY13352-337LF: 4.5 – 6.0 GHz DPDT Diversity Switch
Applications
J1
 802.11 a/n diversity WLANs
V1
V2
J3
J4
V4
V3
Features
 Broadband operation: 4.5 to 6.0 GHz
 Positive voltage operation: +1.8 to +5 V
 DC blocking capacitors integrated on RF paths of device
 Low insertion loss: 1.3 dB typical @ 5.8 GHz
 High isolation: 25 dB typical @ 5.8 GHz
 IP1dB: +31 dBm typical @ +3 V
 Small, QFN (12-pin, 3 x 3 mm) package (MSL1, 260 C per
JEDEC J-STD-020)
J2
S2146
Figure 1. SKY13352-337LF Block Diagram
Description
J1
12
11
The device provides high linearity, low insertion loss, and high
isolation. Switching is controlled by four control voltage inputs
(V1, V2, V3, and V4). Depending on the logic voltage level applied
to the control pins, the four RF ports (J1, J2, J3, and J4) are
connected together using a low insertion loss path, while
maintaining a high isolation path to the alternate ports. All of the
necessary DC blocking capacitors are integrated on die for all RF
ports, which eliminates the need to add external blocking
capacitors.
N/C
N/C
The SKY13352-337LF is a GaAs pHEMT Double-Pole, DoubleThrow (DPDT) switch designed for 4.5 to 6.0 GHz diversity WLAN
applications that use two antennas for both transmit and receive
paths.
10
J3 2
8
J4
V4 3
7
V3
4
5
6
N/C
V2
J2
9
N/C
V1 1
The SKY13352-337LF is provided in a 3 x 3 mm, 12-pin 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.
S2145
Figure 2. SKY13352-337LF Pinout – 12-Pin QFN
(Top View)
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201373A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • September 24, 2010
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DATA SHEET • SKY13352-337LF DPDT DIVERSITY SWITCH
Table 1. SKY13352-337LF Signal Descriptions
Pin #
1
Note:
Name
Description
Pin #
V1
DC control voltage 1
7
2
J3
RF port 3
3
V4
DC control voltage 4
4
N/C
No connection required. May be connected
to ground with no change in performance.
5
J2
6
N/C
Name
Description
V3
DC control voltage 3
8
J4
RF port 4
9
V2
DC control voltage 2
10
N/C
No connection required. May be connected
to ground with no change in performance.
RF port 2
11
J1
RF port 1
No connection required. May be connected
to ground with no change in performance.
12
N/C
No connection required. May be connected
to ground with no change in performance.
Exposed pad must be grounded through a low impedance path.
Table 2. SKY13352-337LF Absolute Maximum Ratings
Maximum
Units
Control voltage
Parameter
V1, V2, V3, V4
Symbol
Minimum
+6
V
RF input power
PIN
+33
dBm
Operating temperature
TOP
–40
+85
C
Storage temperature
TSTG
–40
+125
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 SKY13352-337LF are
provided in Table 2. Electrical specifications are provided in
Table 3.
The state of the SKY13352-337LF is determined by the logic
provided in Table 4.
Typical performance characteristics are illustrated in Figures 3, 4,
and 5.
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September 24, 2010 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201373A
DATA SHEET • SKY13352-337LF DPDT DIVERSITY SWITCH
Table 3. SKY13352-337LF Electrical Specifications (Note 1)
(V1 = V2 = V3 = V4 = 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
1.2
1.2
1.3
1.4
1.4
1.5
dB
dB
dB
RF Specifications
Insertion loss
IL
4.5 to 4.9 GHz
4.9 to 5.2 GHz
5.2 to 5.8 GHz
Isolation
Iso
4.5 to 4.9 GHz
4.9 to 5.2 GHz
5.2 to 5.8 GHz
Return loss
|S11|
4.5 GHz to 6.0 GHz
1 dB Input Compression Point
IP1dB
@ 5.2 GHz
25
25
25
dB
dB
dB
25
dB
V1/2/3/4 = 2.7 V
V1/2/3/4 = 3.0 V
V1/2/3/4 = 5.0 V
+31
+31
+32
dBm
dBm
dBm
+85
dBm
15
20
20
2nd Order Input Intercept Point
IIP2
@ 5.2 GHz,
PIN = +15 dBm/tone,
V1/2/3/4 = 3 V
3rd Order Input Intercept Point
IIP3
@ 5.2 GHz, Δf = 5 MHz,
PIN = +15 dBm/tone,
V1/2/3/4 = 3 V
+51
dBm
@ 5.8 GHz, Δf = 5 MHz,
PIN = +15 dBm/tone,
V1/2/3/4 = 5 V
+52
dBm
Second harmonic
2fo
@ 5.2 GHz,
PIN = +20 dBm/tone,
V1/2/3/4 = 3 V
+75
dBc
Third harmonic
3fo
@ 5.2 GHz,
PIN = +20 dBm/tone,
V1/2/3/4 = 3 V
+78
dBc
10% to 90% RF
15
ns
90% to 10% RF
40
ns
50% control voltage to
90% RF
30
ns
50% control voltage to
10% RF
40
ns
Switching speed
DC Specifications
Control voltage:
High
Low
VHIGH
VLOW
Control current
ICC
1.8
–0.2
3.0
0
5.0
+0.2
V
V
5
50
μA
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
201373A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • September 24, 2010
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DATA SHEET • SKY13352-337LF DPDT DIVERSITY SWITCH
Table 4. SKY13352-337LF Truth Table
Insertion Loss State
V1
V2
V3
V4
J1 to J3
1
0
0
0
J1 to J4
0
1
0
0
J2 to J4
0
0
1
0
J2 to J3
0
0
0
1
J1 to J3 and J2 to J4
1
0
1
0
J1 to J4 and J2 to J3
0
1
0
1
Note:
“1” = +1.8 to +5.0 V
“0” = –0.2 to +0.2 V
Any other state than described in this Table places the switch into an undefined state. An undefined state will not damage the device.
Typical Performance Characteristics
(V1/2/3/4 = 3/0 V, TOP = +25 C, PIN = 0 dBm, Characteristic Impedance [Zo] = 50 Ω, Unless Otherwise Noted)
0
0
–40 °C
+25 °C
+85 °C
–0.2
–40 °C
+25 °C
+85 °C
–5
–10
–0.6
Isolation (dB)
Insertion Loss (dB)
–0.4
–0.8
–1.0
–1.2
–1.4
–15
–20
–25
–30
–1.6
–35
–1.8
–2.0
4.5
4.7
4.9
5.1
5.3
5.5
5.7
5.9
Frequency (GHz)
–40
4.5
4.7
4.9
5.1
5.3
5.5
Figure 4. Isolation vs Frequency Over Temperature
0
Return Loss (dB)
–5
–40 °C
+25 °C
+85 °C
–10
–15
–20
–25
–30
–35
4.7
4.9
5.1
5.3
5.5
5.7
5.9
Frequency (GHz)
Figure 5. Return Loss vs Frequency Over Temperature
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5.9
Frequency (GHz)
Figure 3. Insertion Loss vs Frequency Over Temperature
–40
4.5
5.7
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DATA SHEET • SKY13352-337LF DPDT DIVERSITY SWITCH
Evaluation Board Description
Package and Handling Information
The SKY13352-337LF Evaluation Board is used to test the
performance of the SKY13352-337LF DPDT switch. An Evaluation
Board schematic diagram is shown in Figure 6. An assembly
drawing for the Evaluation Board is shown in Figure 7.
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 SKY13352-337LF 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.
Package Dimensions
The PCB layout footprint for the SKY13352-337LF is shown in
Figure 8. Typical case markings are noted in Figure 9. Package
dimensions for the 12-pin QFN are shown in Figure 10, and tape
and reel dimensions are provided in Figure 11.
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.
×
2
RF Port 3
3
V1
V2
J3
J4
V4
V3
4
×
J2
N/C
DC Control
Voltage 4
N/C
1
5
9
DC Control
Voltage 2
8
7
RF Port 4
DC Control
Voltage 3
N/C
DC Control
Voltage 1
10
J1
11
N/C
12
RF Port 1
×
6
×
RF Port 2
S2147
Figure 6. SKY13352-337LF Evaluation Board Schematic Diagram
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • SKY13352-337LF DPDT DIVERSITY SWITCH
J1
V1
V2
J3
J4
V4
V3
J2
0 Ω (in 8 places)
S2148
Figure 7. SKY13352-337LF Evaluation Board Assembly Diagram
12X 0.95
(To Metal Pads)
1.15 (Sq.)
Solder
Area
Pitch 0.50
4X Ground Vias
See Detail A
0.25
Solder Area
0.75
All measurements in millimeters
Detail A 12X
Scale = 48X
S1855
Figure 8. SKY13352-337LF PCB Layout Footprint
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DATA SHEET • SKY13352-337LF DPDT DIVERSITY SWITCH
Pin 1
Indicator
Skyworks Part #
Lot #
Date Code:
(YY = Calendar Year
WW = Week)
Figure 9. Typical Part Markings
(Top View)
1.150 +0.10/–0.15
C
(0.20)
Seating Plane
0.02 + 0.03/–0.02
A
3
B
Pin 1
Indicator
1.000
0.575
Exposed Pad
Detail A
0.575
3
1.000
1.150 +0.10/–0.15
B
0.15 C
2X
Detail C
0.90 ± 0.10
2X
0.10 C
Top View
0.20 Min.
12X
12X 4
0.08 C
0.15 C
Side View
A
Detail B
Bottom View
R0.125 Typ.
0.18
0.55 +0.10
0.18
0.435
5
0.10 M C A B
0.435
0.5
0.25 +0.05/–0.07 0.05 M C
Detail A
Detail B
Detail C
Scale: 20X
Scale: 20X
Scale: 40X
12 Places
All measurements are in millimeters.
Dimensioning and tolerancing according to ASME Y14.5M-1994.
Unilateral coplanarity applies to the exposed heat sink slug as well as the terminals.
Plating requirement per source control drawing (SCD) 2504.
Dimension applies to metallized terminal and is measured between 0.15 and 0.30 mm
from the terminal tip. Do not measure at radius area.
S1866
Figure 10. SKY13352-337LF 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 • SKY13352-337LF DPDT DIVERSITY SWITCH
4.00 ± 0.10
Pin #1
2.00 ± 0.05
1.75 ± 0.10
A
5.50 ± 0.05
3.30 ± 0.10 (Bo)
B
A
12.00 ± 0.30
0.30 ± 0.05 (T)
∅1.50 + 0.1/–0.0
8.00 ± 0.10
B
1.10 ± 0.10 (Ko)
B
R0.25 Typ.
∅1.50 Min.
3.30 ± 0.10 (Ao)
A
Notes:
1. Carrier tape: black conductive polystyrene, non-bakeable material.
2. Cover tape material: transparent conductive HSA.
3. Cover tape size: 9.20 mm width.
4. All measurements are in millimeters.
S1698
Figure 11. SKY13352-337LF Tape and Reel Dimensions
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DATA SHEET • SKY13352-337LF DPDT DIVERSITY SWITCH
Ordering Information
Model Name
SKY13352-337LF DPDT Diversity Switch
Manufacturing Part Number
SKY13352-337LF
Evaluation Board Part Numbers
SKY13352-337LF-EVB
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