DATA SHEET
SKY13351-378LF: 20 MHz to 6.0 GHz GaAs SPDT Switch
Applications
WLAN 802.11 a/b/g/n networks
WLAN repeaters
ISM band radios
Low power transmit receive systems
INPUT
OUTPUT1
OUTPUT2
Features
Positive voltage control (0 and 1.8 V to 0 and 5.0 V)
Broadband frequency range: 20 MHz to 6.0 GHz
Very low insertion loss, 0.35 dB typical @ 2.45 GHz
High isolation, 24 dB typical @ 2.45 GHz
Excellent linearity performance, IP0.5dB = +30 dBm
Ultra-miniature, MLPD (6-pin, 1 x 1 mm) package
(MSL1, 260
C
per JEDEC J-STD-020)
Skyworks Green
TM
products are compliant with
all applicable legislation and are halogen-free.
For additional information, refer to
Skyworks
Definition of Green
TM
, document number
SQ04–0074.
201132-001
VCTL1
VCTL2
Figure 1. SKY13351-378LF Block Diagram
Description
The SKY13351-378LF is a pHEMT GaAs FET I/C switch. The
switch may be used in transmit/receive applications by
connecting the RF common port (INPUT, pin 5) to either the
OUTPUT1 or OUTPUT2 port (pin 1 or 3, respectively) using a low
loss path (i.e., a positive voltage applied to either VCTL1 or VCTL2
pins). The switch is “reflective short” on the isolated port.
The switch is manufactured in a compact, 1 x 1 mm, 6-pin
exposed pad plastic Micro Leadframe Package Dual (MLPD)
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.
OUTPUT1
1
6
VCTL1
GND
2
5
INPUT
OUTPUT2
3
4
VCTL2
S1482
Figure 2. SKY13351-378LF Pinout
(Top View)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201132I • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • September 8, 2017
1
DATA SHEET • SKY13351-378LF: 20 MHz TO 6.0 GHz GaAS SPDT SWITCH
Table 1. SKY13351-378LF Signal Descriptions
Pin
1
2
3
Name
OUTPUT1
GND
OUTPUT2
Description
RF port. Must be DC blocked.
Ground
RF port. Must be DC blocked.
Pin
4
5
6
VCTL2
INPUT
VCTL1
Name
Description
DC control voltage
RF port. Must be DC blocked
DC control voltage
Electrical and Mechanical Specifications
The absolute maximum ratings of the SKY13351-378LF are
provided in Table 2. The recommended operating conditions are
specified in Table 3 and electrical specifications are provided in
Table 4.
Typical performance characteristics of the SKY13351-378LF are
illustrated in Figures 3 through 9.
The state of the SKY13351-378LF is determined by the logic
provided in Table 5.
Table 2. SKY13351-378LF Absolute Maximum Ratings
1
Parameter
Input power:
>500 MHz, 5 V, CW
>500 MHz, 2.7 V, CW
802.11g, 54 Mbps, 64 QAM, 2.4-2.5 GHz
802.11g, 54 Mbps, 64 QAM, 5.2-5.8 GHz
Storage temperature
Operating temperature
P
IN
+32
+31
+26
+25
T
STG
T
OP
–65
–40
+150
+85
dBm
dBm
dBm
dBm
C
C
Symbol
Minimum
Maximum
Units
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.
ESD HANDLING:
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 when handling or transporting. Static charges may easily produce
potentials of several kilovolts on the human body or equipment, which can discharge without detection.
Industry-standard ESD handling precautions should be used at all times.
Table 3. SKY13351-378LF Recommended Operating Conditions
Parameter
Frequency
Control voltage:
low
high
Operating temperature
f
V
CTL
_
L
V
CTL
_
H
T
OP
Symbol
Min
0.02
0
1.8
+25
Typ
Max
6.0
0.2
5.0
Units
GHz
V
V
C
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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September 8, 2017 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201132I
DATA SHEET • SKY13351-378LF: 20 MHz TO 6.0 GHz GaAS SPDT SWITCH
Table 4. SKY13351-378LF Electrical Specifications
1
(V
CTL
= 0 V and +2.7 V, T
OP
= +25
C,
P
IN
= 0 dBm, Characteristic Impedance [Z
O
] = 50
Ω,
Unless Otherwise Noted)
Parameter
Frequency
Insertion loss
Isolation
Return loss (insertion loss state)
Switching characteristics:
Rise/fall time
On/off time
Video feedthrough
0.5 dB input compression point
IP0.5dB
V
CTL
= 0 and 1.8 V
@ 2.45 GHz
V
CTL
= 0 and 2.7 V
@ 2.45 GHz
V
CTL
= 0 and 2.7 V
@ 48 MHz
Input IP3
IIP3
P
IN
= +20 dBm/tone
V
CTL
= 0 and 1.8 V
@ 2.45 GHz
V
CTL
= 0 and 2.7 V
@ 2.45 GHz
V
CTL
= 1.8 V @ 5.8 GHz
V
CTL
= 2.7 V @ 5.8 GHz
Error vector magnitude
EVM
802.11a, 54 Mbps,
P
IN
= <+24 dBm,
V
CTL
= 2.7 V
802.11g, 54 Mbps,
P
IN
= <+25.5 dBm,
V
CTL
= 2.7 V
Control voltage:
Low
High
Supply current
V
CTL
_
L
V
CTL
_
H
I
CC
V
CTL
_
L
= 0 V
V
CTL
_
H
= 5 V
0
1.8
+30
+46
+32
+50
+30
+46
dBm
dBm
dBm
dBm
+21
+29
f
IL
Iso
0.02 to 3.0 GHz
3.0 to 6.0 GHz
0.02 to 3.0 GHz
3.0 to 6.0 GHz
0.02 to 3.0 GHz
3.0 to 6.0 GHz
10/90% or 90/10% RF
50% V
CTL
to 90/10% RF
22
22
Symbol
Test Condition
Min
0.02
0.35
0.50
24
26
25
15
40
100
25
+22
+30
+26
Typ
Max
6.0
0.50
0.65
Units
GHz
dB
dB
dB
dB
dB
dB
ns
ns
mV
dBm
dBm
dBm
2.5
%
2.5
0.2
5.0
%
V
V
μA
μA
2.7
5
5
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
201132I • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • September 8, 2017
3
DATA SHEET • SKY13351-378LF: 20 MHz TO 6.0 GHz GaAS SPDT SWITCH
Typical Performance Characteristics
(V
CTL
= 0 V and +2.7 V, T
OP
= +25
C,
P
IN
= 0 dBm, Characteristic Impedance [Zo] = 50
Ω,
Blocking Capacitors = 100 pF,
Bypass Capacitors = 33 pF, Unless Otherwise Noted)
0
–0.1
–0.2
Input-Output 1
Input-Output 2
0
–5
–10
Input-Output 1
Input-Output 2
Insertion Loss (dB)
–0.3
–0.4
–0.5
–0.6
–0.7
–0.8
–0.9
–1.0
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Isolation (dB)
–15
–20
–25
–30
–35
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Frequency (GHz)
Frequency (GHz)
Figure 3. Typical Insertion Loss
Figure 4. Typical Isolation
0
–5
–10
Normalized Power Transmission (dB)
Input-Output 1
Input-Output 2
Return Loss (dB)
–15
–20
–25
–30
–35
–40
–45
–50
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
+0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
–0.6
–0.7
–0.8
–0.9
–1.0
+10
+12
1.8 V
2.7 V
3.0 V
3.3 V
4.0 V
5.0 V
+14
+16
+18
+20
+22
+24
+26
+28
+30
+32
+34
Frequency (GHz)
Input Power (dBm)
Figure 5. Typical Return Loss
Figure 6. Compression vs Control Voltage
(2450 MHz)
Normalized Power Transmission (dB)
+0.1
0
–0.1
–0.2
–0.4
–0.5
–0.6
–0.7
–0.8
–0.9
–1.0
+10
+12
+14
+16
+18
+20
+22
+24
+26
+28
+30
+32
+34
1.8 V
2.7 V
3.0 V
3.3 V
4.0 V
5.0 V
3.0
2.5
2.0
2.7 V
3.0 V
3.3 V
4.0 V
5.0 V
EVM (%)
–0.3
1.5
1.0
0.5
0
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
Input Power (dBm)
Output Power (dBm)
Figure 7. Compression vs Control Voltage
(5.2 to 5.8 GHz)
Figure 8. 802.11g EVM vs Output Power @ 2.45 GHz, 54 Mbps
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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September 8, 2017 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201132I
DATA SHEET • SKY13351-378LF: 20 MHz TO 6.0 GHz GaAS SPDT SWITCH
3.0
2.5
2.0
2.7 V
3.0 V
3.3 V
4.0 V
5.0 V
EVM (%)
1.5
1.0
0.5
0
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
Output Power (dBm)
Figure 9. 802.11a EVM vs Output Power, 5.2-5.8 GHz, 54 Mbps
Table 5. SKY13351-378LF Truth Table
1
VCTL1 (Pin 6)
1
0
VCTL2 (Pin 4)
0
1
INPUT to OUTPUT1 Path
Isolation
Insertion loss
INPUT to OUTPUT2 Path
Insertion loss
Isolation
1 “1” = +1.8 V to +5 V. “0” = 0 V to +0.2 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
The SKY13351-378LF Evaluation Board is used to test the
performance of the SKY13351-378LF SPDT Switch. An Evaluation
Board schematic diagram is provided in Figure 10. An assembly
drawing for the Evaluation Board is shown in Figure 11.
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 SKY13351-378LF 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 SKY13351-378LF is provided in
Figure 12. Typical part markings are shown in Figure 13. Package
dimensions are shown in Figure 14, and tape and reel dimensions
are provided in Figure 15.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201132I • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • September 8, 2017
5
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