DATA SHEET
SKY13575-639LF: Dual-Band Matched SP4T WiFi Switch
Applications
Dual-band WLAN
3G/4G LTE systems
WLAN 802.11a/b/g/n/ac
RF4
RF1
RFC
Features
Off ports matched to 50
Low insertion loss: 0.6 dB at 2.5 GHz, 1.1 dB at 6 GHz (typical)
High isolation: 40 dB at 2.5 GHz, 30 dB at 6 GHz (typical)
Small QFN (14-pin, 1.6
1.6
0.45 mm) package
(MSL1, 260
C
per JEDEC J-STD-020)
VC1 VC2 VDD
203270CD-001
RF3
RF2
Integrated GPIO interface
Skyworks Green™
products are compliant with
all applicable legislation and are halogen-free.
For additional information, refer to
Skyworks
Definition of Green™,
document number
SQ04-0074.
Figure 1. SKY13575-639LF Block Diagram
Description
The SKY13575-639LF is a dual-band single-pole, four-throw
switch with an integrated 50
match on all RF output ports.
External DC blocking capacitors are required on the RF paths. The
switch can operate over the temperature range of
40C
to
90
C.
Switching is controlled by two CMOS/TTL compatible control
voltage inputs: VC1 and VC2. Depending upon the logic voltage
level applied to the control pins, the RFC pin is connected to one
of four switched RF outputs (RF1 to RF4) by a low insertion loss
path, while the path between the RFC pin and the other RF pins is
in isolation. The isolated ports are terminated to a 50
load.
The SKY13575-639LF is packaged in a small, 14-pin,
1.6
1.6
0.45 mm 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 descriptions are provided in Table 1.
RF1
GND
1
14
GND
13
RF2
12
11
GND
RFC 2
10 VDD
GND
3
9 VC2
GND
4
5
RF4
6
GND
7
RF3
8 VC1
203270C-002
Figure 2. SKY13575-639LF Pinout
(Top View)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
203270C • Skyworks Proprietary and Confidential Information • Products and Product Information are Subject to Change Without Notice • January 13, 2016
1
DATA SHEET • SKY13575-639LF: DUAL-BAND MATCHED SP4T WIFI SWITCH
Table 1. SKY13575-639LF Pin Descriptions
1
Pin
1
2
3
4
5
6
7
GND
RFC
GND
GND
RF4
GND
RF3
Name
Ground
RF common port
Ground
Ground
RF output port 4
Ground
RF output port 3
Description
Pin
8
9
10
11
12
13
14
VC1
VC2
VDD
GND
RF2
GND
RF1
Name
Description
Control voltage 1
Control voltage 2
Battery voltage
Ground
RF output port 2
Ground
RF output port 1
1
Exposed pads must be grounded
Electrical and Mechanical Specifications
The absolute maximum ratings of the SKY13575-639LF are
provided in Table 2. Electrical specifications are provided in
Table 3. The SKY13575-639LF logic truth is shown in Table 4.
Table 2. SKY13575-639LF Absolute Maximum Ratings
1
Parameter
Supply voltage
Control voltage
RF input power
Output port 50
power handling
Operating case temperature
Storage temperature
Symbol
V
DD
V
C
1
, V
C
2
RF
IN
50
P
MAX
T
CASEMAX
T
STORE
T = 25
C
T = 25
C
Peak power at RFC port, T = 25
C;
50
Maximum power applied to the output port in isolation mode
40
55
0.5
Condition
Minimum
Maximum
3.7
3.3
+32
+5
+90
+150
Units
V
V
dBm
dBm
C
C
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.
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.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
2
January 13, 2016 • Skyworks Proprietary and Confidential Information • Products and Product Information are Subject to Change Without Notice • 203270C
DATA SHEET • SKY13575-639LF: DUAL-BAND MATCHED SP4T WIFI SWITCH
Table 3. SKY13575-639LF Electrical Specifications
1
(V
DD
= 3.3 V, V
C1
= V
C2
= High = 3.0 V, P
IN
= 0 dBm, T
OP
= +25 °C, Characteristic Impedance [Z
O
] = 50 Ω, Unless Otherwise Noted)
Parameter
Small Signal
Insertion loss (RFC to RF1,2,3,4)
IL
0.1 to 2.4 GHz
2.4 to 2.5 GHz
4.8 to 6.0 GHz
0.1 to 2.4 GHz
2.4 to 2.5 GHz
4.8 to 6.0 GHz
2.4 to 2.5 GHz
4.8 to 6.0 GHz
35
35
26
14
0.6
0.6
1.1
40
40
30
17
10.5
0.8
0.9
1.4
dB
dB
dB
dB
dB
dB
dB
dB
Symbol
Test Condition
Minimum
Typical
Maximum
Units
Isolation (RFC to RF1,2,3,4)
Output return loss in isolation state
(RF1,2,3,4)
Large Signal
LB 2nd harmonics (RFC to RF1,2,3,4)
LB 3nd harmonics (RFC to RF1,2,3,4)
HB 2nd harmonics (RFC to RF1,2,3,4)
HB 3nd harmonics (RFC to RF1,2,3,4)
LB EVM power (RFC to RF1,2,3,4)
HB EVM power (RFC to RF1,2,3,4)
LB input IP3 (RFC to RF1,2,3,4),
+20 dBm input power
HB Input IP3 (RFC to RF1,2,3,4),
+20 dBm input power
DC Operating
Supply voltage
Control voltage high
Control voltage low
Supply current
Switching speed
Rise/fall time
Startup time
Iso
RL_Off Port
2fo
3fo
2fo
3fo
P_EVM_LB
P_EVM_HB
LB_IIP3
HB_IIP3
fo = 2.4 to 2.5 GHz
P
IN
= + 20 dBm
fo = 2.4 to 2.5 GHz
P
IN
= + 20 dBm
fo = 4.8 to 6.0 GHz
P
IN
= + 20 dBm
fo = 4.8 to 6.0 GHz
P
IN
= + 20 dBm
fo = 2.45 GHz, input power for
2.5% error, 802.11g, 54 Mbps
fo = 5.8 GHz, input power for
2.5% error, 802.11g, 54 Mbps
Two tones, 1 MHz spacing,
fo = 2.4 to 2.5 GHz
Two tones, 1 MHz spacing
fo = 4.8 to 6.0 GHz
65
70
52
60
25
25
+52
+52
80
80
70
70
27
27
+55
+55
dBc
dBc
dBc
dBc
dBm
dBm
dBm
dBm
V
DD
V
C
1_
H
, V
C
2_
H
V
C
1_
L
, V
C
2_
L
I
DD
SS
t
ON
/t
OFF
t
START
T = 25
C
T = 25
C
T = 25
C
T = 25
C
50 % CTL to
90
% RF
50 % CTL to 10 % RF
10% RF to
90
% RF
90
% RF to 10 % RF
From V
DD
off to V
DD
on
2.5
2.5
3.3
3.0
0
8
400
3.5
3.3
0.45
10
500
500
V
V
V
A
ns
ns
ns
500
1000
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
203270C • Skyworks Proprietary and Confidential Information • Products and Product Information are Subject to Change Without Notice • January 13, 2016
3
DATA SHEET • SKY13575-639LF: DUAL-BAND MATCHED SP4T WIFI SWITCH
Table 4. Logic Truth Table
1
Low-Loss Path
RFC to RF1
RFC to RF2
RFC to RF3
RFC to RF4
1 H = 2.5 to 3.3 V
L = 0 to 0.45 V
VC1
L
L
H
H
VC2
L
H
L
H
Evaluation Board Description
The SKY13575-639LF Evaluation Board is used to test the
performance of the SKY13575-639LF. An Evaluation Board
schematic diagram is provided in Figure 3. Figure 4 shows the
Evaluation Board assembly diagram.
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 SKY13575-639LF 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.
Package Dimensions
The PCB layout footprint for the SKY13575-639LF is provided in
Figure 5. Typical part markings are shown in Figure 6. Package
dimensions are shown in Figure 7, and tape and reel dimensions
are provided in Figure 8.
RF I/O Port 1
RF I/O Port 2
C1
=
C2
=
C3
=
C4
=
C5
= 22 pF
14
RF1
1
C3
RF I/O
2
3
4
GND
GND
RFC
GND
GND
RF4
5
C4
13
GND
12
RF2
C5
GND
VDD
VC2
VC1
GND
6
C2
RF3
7
C1
11
10
C6
9
8
C7
Battery
C6
= 10 nF
Voltage
C7
= 1
µF
Control
Control
203270C-003
RF I/O Port 4
RF I/O Port 3
Figure 3. SKY13575-639LF Evaluation Board Schematic
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
4
January 13, 2016 • Skyworks Proprietary and Confidential Information • Products and Product Information are Subject to Change Without Notice • 203270C
DATA SHEET • SKY13575-639LF: DUAL-BAND MATCHED SP4T WIFI SWITCH
RF3
RF4
VC1
VC2
VDD
RFC
RF1
203270C-004
RF2
Figure 4. SKY13575-639LF Evaluation Board Assembly Diagram
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
203270C • Skyworks Proprietary and Confidential Information • Products and Product Information are Subject to Change Without Notice • January 13, 2016
5
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