DATA SHEET
SKY13585-679LF: 1.0 to 6.0 GHz SPDT Switch
INPUT
Applications
WLAN 802.11 a/b/g/n/ac networks
OUTPUT2
OUTPUT1
WLAN repeaters
ISM band radios
Low power transmit receive systems
Smartphones
Connectivity modules
203458-001
VDD
Features
VCTL
Figure 1. SKY13585-679LF Block Diagram
Broadband frequency range: 1.0 to 6.0 GHz
Low insertion loss, 0.5 dB typical @ 2.45 GHz
Description
High isolation, 38 dB typical @ 2.45 GHz
Excellent linearity performance, IP0.1dB = +31 dBm
Single control logic
1.8 V and 3.3 V logic compatibility
Wide 3 to 5 V supply voltage range
Integrated DC blocking capacitors
Ultra-miniature, MLPD (6-pin, 1 × 1 × 0.32 mm) package
(MSL1, 260 C per JEDEC J-STD-020)
Skyworks GreenTM products are compliant with
all applicable legislation and are halogen-free.
For additional information, refer to Skyworks
Definition of GreenTM, document number
SQ04–0074.
OUTPUT1 1
6
VDD
GND 2
5
INPUT
OUTPUT2 3
4
VCTL
The SKY13585-679LF is a single-pole, double-throw (SPDT)
switch intended for mode switching in WLAN applications. Using
advanced switching technologies, the SKY13585-679LF
maintains low insertion loss and high isolation for all switching
paths.
The high-linearity performance and low insertion loss achieved by
the switch make it an ideal choice for low-power transmit/receive
applications. Depending on the logic voltage applied to the control
pin (VCTL), the INPUT pin is connected to one of the two switched
RF outputs (OUTPUT1 or OUTPUT2) using a low insertion loss
path, while the path between the INPUT pin and the other OUTPUT
pin is in a high-isolation state. The switch is "reflective short" on
the isolated port.
The SKY13585-679LF has integrated DC blocking capacitors, so
no external DC blocking capacitors are required.
The switch is manufactured in a compact, 1 × 1 × 0.32 mm,
6-pin exposed pad plastic Micro Lead-frame 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.
203458-002
Figure 2. SKY13585-679LF Pinout
(Top View)
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DATA SHEET • SKY13585-679LF: 1.0 TO 6.0 GHz SPDT SWITCH
Table 1. SKY13585-679LF Signal Descriptions
Pin
1
Name
OUTPUT1
Description
Pin
RF port
4
Name
Description
VCTL
DC control voltage
2
GND
Ground
5
INPUT
RF port
3
OUTPUT2
RF port
6
VDD
DC supply voltage
Electrical and Mechanical Specifications
The absolute maximum ratings of the SKY13585-679LF are
provided in Table 2. The recommended operating conditions are
specified in Table 3, and electrical specifications are provided in
Table 4.
The state of the SKY13585-679LF is determined by the logic
provided in Table 5. Typical performance characteristics are
shown in Figures 3 through 6.
Table 2. SKY13585-679LF Absolute Maximum Ratings1
Maximum
Units
Input power
Parameter
PIN
Symbol
Minimum
+32
dBm
Supply voltage
VDD
5.5
V
Control voltage
VCTL
3.7
V
Storage temperature
TSTG
−65
+150
C
Operating temperature
TOP
−40
+90
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.
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. SKY13585-679LF Recommended Operating Conditions
Parameter
Symbol
Minimum
Operating frequency
fo
1.0
Supply voltage
VDD
2.7
Control voltage:
Low
High
VCTL_L
VCTL_H
0
1.6
Operating temperature
TOP
Typical
3.3
Maximum
Units
6.0
GHz
5
V
0.4
3.6
V
V
+25
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C
DATA SHEET • SKY13585-679LF: 1.0 TO 6.0 GHz SPDT SWITCH
Table 4. SKY13585-679LF Electrical Specifications1
(VDD = 3.3 V, VCTL = 0 V and 1.8 V, TOP = +25 C, PIN = 0 dBm, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Parameter
Symbol
Test Condition
Minimum
2
Typical
Maximum
Units
0.5
0.7
0.65
0.95
dB
dB
IL
1.0 to 2.5 GHz, NTC
4.8 to 6.0 GHz, NTC
Isolation
(INPUT to OUTPUT1/OUTPUT2)
ISO
1.0 to 2.5 GHz, NTC
4.8 to 6.0 GHz, NTC
34
20
38
22
dB
dB
Isolation
(OUTPUT1 to OUTPUT2)
ISO
1.0 to 2.5 GHz, NTC
4.8 to 6.0 GHz, NTC
33
19
36
22
dB
dB
Return loss
RL
1.0 to 2.5 GHz, NTC
4.8 to 6.0 GHz, NTC
14
14
17
17
dB
dB
P0.1dB compression point
P0.1dB
1.0 to 6.0 GHz, NTC
+31
dBm
2fo
PIN = +24 dBm:
Insertion loss
fo = 2.4 GHz, NTC
fo = 5.8 GHz, NTC
Harmonics
3fo
PIN = +24 dBm, fo = 2.4 GHz, NTC
IP3
PIN = +20 dBm/tone:
Input IP3
fo = 2.4 GHz, NTC
fo = 5.8 GHz, NTC
+50
+46
Error vector magnitude
EVM
802.11a, 54 Mbps, PIN = +24 dBm
802.11g, 54 Mbps, PIN = +24 dBm
Startup time
tS
50% VDD to 90% of RF
Switching speed
tSW
10% RF to 90% RF
Supply current
IDD
NTC
–48
–50
–42
–46
dBm
dBm
–48
–44
dBm
+56
+50
dBm
dBm
–45
–42
–40
–36
dB
dB
2
5
s
300
450
ns
5
10
A
1 Performance is guaranteed only under the conditions listed in this table.
2 NTC = nominal test conditions
Table 5. SKY13585-679LF Truth Table1
VDD (Pin 6)
VCTL (Pin 4)
1
0
Isolation
INPUT to OUTPUT1 Path
Insertion loss
INPUT to OUTPUT2 Path
1
1
Insertion loss
Isolation
1 “1” indicates VDD = 3 to 5 V, VCTL = 1.6 to 3.6 V.
“0” indicates VCTL = 0 to 0.4 V.
Any state other than described in this table places the switch into an undefined state. An undefined state will not damage the device.
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DATA SHEET • SKY13585-679LF: 1.0 TO 6.0 GHz SPDT SWITCH
Typical Performance Characteristics
0
–10
–0.5
–15
–1.0
–20
–1.5
–25
Isolation (dB)
–2.0
–2.5
–30
–35
Input to Output1
Input to Output2
203458-003
–3.5
–50
–4.0
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Input-Ouptput2
Input-Ouptput1
–45
1.0
6.0
1.5
2.0
2.5
3.5
4.0
4.5
5.0
5.5
6.0
Figure 4. Typical Isolation, Input—Output
Figure 3. Typical Insertion Loss
0
–10
–5
–15
–10
–20
–15
–25
Return Loss (dB)
Isolation (dB)
3.0
Frequency (GHz)
Frequency (GHz)
–30
–35
–20
–25
–30
Output1-ON
Output2-ON
–45
203458-005
–40
–50
Input to Output1, S11
Input to Output2, S11
–35
–40
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
Frequency (GHz)
Figure 5. Typical Isolation, Output1—Output2
5.5
6.0
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
Frequency (GHz)
Figure 6. Typical Return Loss
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203458-004
–40
–3.0
203458-006
Insertion Loss (dB)
(VDD = 3.3 V, VCTL = 0 V and 1.8 V, TOP = +25 °C, PIN = 0 dBm, Characteristic Impedance [Zo] = 50 Ω, Unless Otherwise Noted)
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5.0
5.5
6.0
DATA SHEET • SKY13585-679LF: 1.0 TO 6.0 GHz SPDT SWITCH
Evaluation Board Description
Package and Handling Information
The SKY13585-679LF Evaluation Board is used to test the
performance of the SKY13585-679LF SPDT Switch. An Evaluation
Board schematic diagram is provided in Figure 7. An assembly
drawing for the Evaluation Board is shown 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.
Package Dimensions
The PCB layout footprint for the SKY13585-679LF is provided in
Figure 9. Typical part markings are shown in Figure 10. Package
dimensions are shown in Figure 11, and tape and reel dimensions
are provided in Figure 12.
RF Output
Port 1
1
2
RF Output
Port 2
3
OUTPUT1
GND
OUTPUT2
The SKY13585-679LF 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.
VDD
INPUT
VCTL
6
5
4
DC Supply
Antenna
Control Voltage
203458-003
Figure 7. SKY13585-679LF Evaluation Board Schematic
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VDD
DATA SHEET • SKY13585-679LF: 1.0 TO 6.0 GHz SPDT SWITCH
OUTPUT1
INPUT
203458-004
VCTL
OUTPUT2
C1, C3, C5 = 0 Ω
C4 and C6 = DNP
Figure 8. SKY13585-679LF Evaluation Board Assembly Diagram
8X 0.65
0.13
0.21
5X 0.33
Pin 1
7X 0.15
0.35
Pitch
Part Outline
R0.075 Typ
0.10
Exposed Soldering
Area
All measurements in millimeters
203458-005
Figure 9. SKY13585-679LF PCB Layout Footprint
(Top View)
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DATA SHEET • SKY13585-679LF: 1.0 TO 6.0 GHz SPDT SWITCH
Skyworks
Part Number
Pin 1
Indicator
Q/Y Code
Lot Number
Code
203458D-006
Figure 10. Typical Part Markings
(Top View)
1
Pin 1
Indicator
A
Seating
Plane
C
B
0.10 Ref
R0.075 Typ
3X 0.15 ± 0.05
0.02 + 0.03
– 0.02
Pin 1
0.13 ± 0.1
0.1 ± 0.1
1
0.2 ± 0.1
0.33 ± 0.1
0.35 Pitch
0.05 C
2X
2X
0.05 C
Top View
0.32 + 0.03
–0.04
0.05 C
Side View
3
6X
0.05 C
See Detail A
Exposed Pad
0.1 ± 0.1
0.21 ± 0.1
Bottom View
0.175 ± 0.075
R (0.075)
0.15 ± 0.05
Notes:
1.
2.
3.
4.
5.
All measurements are in millimeters.
Dimensions and tolerances per ASME Y14.5M-2009.
Coplanarity applies to the terminals and all other bottom surface metallization.
Plating requirement per source control drawing (SCD) 2504.
Dimension applies to metallized terminal, not measured in the radius area.
Detail A
5
0.10
0.05
C A B
C
Scale 2X
(5 Places)
203458-007
Figure 11. SKY13585-679LF Package Dimensions
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4.00 ±0.10
1.5
3.50 ±0.05
1.187 ±0.03
0
0.1 0
0 + –0.0
3°
8.00 ±0.20
2.00 ±0.05
Ø
0.20 ±0.05
1.75 ±0.10
DATA SHEET • SKY13585-679LF: 1.0 TO 6.0 GHz SPDT SWITCH
Pin 1
0.42 ±0.03
Ø
0.40 ±0.05
2.00 ±0.10
Notes:
1.
2.
3.
4.
1.20 ±0.03
10-sprocket hole pitch cumulative tolerance: ±0.2 mm.
Camber not to exceed 1 mm in 250 mm.
Carrier tape: black conductive polystyrene.
Ko measured from a plane on the inside bottom of the
pocket to the top surface of the carrier.
5. Pocket position relative to sprocket hole measured as true position
of pocket, not pocket hole.
6. Pocket center and pocket hole center must be the same position.
7. All dimensions are in millimeters.
3°
Figure 12. SKY13585-679LF Tape and Reel Dimensions
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203458-008
DATA SHEET • SKY13585-679LF: 1.0 TO 6.0 GHz SPDT SWITCH
Ordering Information
Model Name
SKY13585-679LF: 1.0 to 6.0 GHz SPDT Switch
Manufacturing Part Number
SKY13585-679LF
Evaluation Board Part Number
SKY13585-679LF-EVB
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