DATA SHEET
SKY13335-381LF: 0.1 to 6.0 GHz GaAs SPDT Switch
Applications
WLAN 802.11 a/b/g networks
WLAN repeaters
ISM band radios
Low power transmit receive systems
RFC
OUT2
OUT1
Features
Positive voltage control
Control voltage high = 1.8 to 5.0 V
Broadband, 0.1 to 6.0 GHz
Very low insertion loss, 0.40 dB typical @ 2.5 GHz
High isolation, 27 dB typical @ 2.5 GHz
Excellent linearity performance, P1dB = +29 dBm @ 3 V
Ultra-miniature, MLPD (6-pin, 1.5 x 2.0 x 0.5 mm) package
(MSL1, 260 C per JEDEC J-STD-020)
VCTL1
VCTL2
S1527
Figure 1. SKY13335-381LF Block Diagram
Description
The SKY13335-381LF is a pHEMT GaAs FET I/C switch. The
device features low insertion loss and positive voltage operation
with very low DC power consumption. The switch is manufactured
in a compact, low-cost 1.5 x 2.0 mm, 6-pin Micro Leadframe
Package Dual (MLPD) package.
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.
The switch can be used in transmit/receive applications by
connecting the RF common port (RFC, pin 5) to either the OUT1 or
OUT2 port (pins 1 or 3, respectively) using a low-loss path (i.e., a
positive voltage applied to either the VCTL1 or VCTL2 pins). The
switch is a reflective short on the isolated port.
OUT1
1
6
VCTL1
GND
2
5
RFC
OUT2
3
4
VCTL2
A functional block diagram is shown in Figure 1. The 6-pin MLPD
package and pinout are shown in Figure 2. Signal pin
assignments and functional pin descriptions are provided in
Table 1.
S1526
Figure 2. SKY13335-381LF Pinout – 6-Pin MLPD
(Top View)
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DATA SHEET • SKY13335-381LF: SPDT SWITCH
Table 1. SKY13335-381LF Signal Descriptions (Note 1)
Pin
1
Name
OUT1
Description
Pin
Name
RF port. Must be DC blocked.
4
VCTL2
Description
DC control voltage.
2
GND
Ground
5
RFC
RF port. Must be DC blocked.
3
OUT2
RF port. Must be DC blocked.
6
VCTL1
DC control voltage.
Note 1: Exposed paddle must be connected to ground.
Electrical and Mechanical Specifications
Typical performance characteristics for the SKY13335-381LF are
shown in Figures 3 through 7.
The absolute maximum ratings of the SKY13335-381LF are
provided in Table 2, and recommended operating conditions are
listed in Table 3. Electrical specifications are provided in Table 4.
The state of the SKY13335-381LF is determined by the logic
provided in Table 5.
Table 2. SKY13335-381LF Absolute Maximum Ratings (Note 1)
Parameter
Symbol
RF input power:
f >500 MHz @ 5 V
f >500 MHz @ 3 V
PIN
Operating temperature
TOP
Storage temperature
TSTG
Minimum
Typical
Maximum
Units
+32
+31
dBm
dBm
–40
+85
°C
–65
+150
°C
Note 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.
Table 3. SKY13335-381LF Recommended Operating Conditions
Parameter
Symbol
Minimum
Typical
Maximum
Units
Frequency
f
0.1
6.0
GHz
Control voltage:
Low
High
VCTL_L
VCTL_H
0
1.8
0.2
5.0
V
V
Operating temperature
TOP
+25
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C
DATA SHEET • SKY13335-381LF: SPDT SWITCH
Table 4. SKY13335-381LF Electrical Specifications (Note 1)
(VCTL = 0 and 3 V, TOP = +25 C, PIN = 0 dBm, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Parameter
Frequency
Symbol
Test Condition
f
0.1 to 6.0 GHz
0.1 to 1.0 GHz
1.0 to 2.0 GHz
2.0 to 2.5 GHz
2.5 to 3.0 GHz
Isolation
0.1 to 6.0 GHz
0.1 to 1.0 GHz
1.0 to 2.0 GHz
2.0 to 2.5 GHz
2.5 to 3.0 GHz
Return loss (insertion loss state)
0.6
0.2
0.3
0.4
0.5
3rd Order Input Intercept Point
IP1dB
IIP3
Control voltage
VCTL_L
VCTL_H
Supply current
VCTL_L
VCTL_H
Max
Units
6.0
GHz
0.7
0.4
0.5
0.6
0.7
dB
dB
dB
dB
dB
24
27
27
27
27
dB
dB
dB
dB
dB
0.1 to 6.0 GHz
0.1 to 1.0 GHz
1.0 to 2.0 GHz
2.0 to 2.5 GHz
2.5 to 3.0 GHz
17
20
23
25
25
dB
dB
dB
dB
dB
10/90% or 90/10% RF
50% VCTL to 90/10% RF
50
50
ns
ns
20
26
24
25
26
Video feedthrough
Input power for 1 dB compression
Typical
0.1
Insertion loss
Switching characteristics:
Rise/fall
On/off
Min
40
mV
VCTL = 0 and 1.8 V, 0.9 GHz
VCTL = 0 and 3 V,0.9 GHz
+18
+29
dBm
dBm
VCTL = 0 and 1.8 V, 2.45 GHz
VCTL = 0 and 3 V, 2.45 GHz
+18
+29
dBm
dBm
VCTL = 0 and 1.8 V, 4.9-5.8 GHz
VCTL = 0 and 3 V, 4.9-5.8 GHz
+15
+26
dBm
dBm
VCTL = 0 and 1.8 V, 0.9 GHz
VCTL = 0 and 3 V,0.9 GHz
+46
+48
dBm
dBm
VCTL = 0 and 1.8 V,2.45 GHz
VCTL = 0 and 3 V,2.45 GHz
+40
+45
dBm
dBm
VCTL = 0 and 1.8 V,5.8 GHz
VCTL = 0 and 3 V, 5.8 GHz
+37
+41
dBm
dBm
Pin = 0 dBm/tone
0
1.8
0.2
5.0
5
5
V
V
μA
μA
Note 1: Performance is guaranteed only under the conditions listed in this table and is not guaranteed over the full operating or storage temperature ranges. Operation at elevated temperatures
may reduce reliability of the device.
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DATA SHEET • SKY13335-381LF: SPDT SWITCH
Typical Performance Characteristics
(VCTL = 0 and 3 V, TOP = +25 C, PIN = 0 dBm, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
0
0
–0.1
–5
–0.3
–15
–0.4
–20
–0.5
–0.6
–25
–30
–0.7
–35
–0.8
–40
–0.9
–45
–1.0
–50
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
RFC to OUT1
RFC to OUT2
OUT1 to OUT2
OUT2 to OUT1
–10
RFC to OUT1
RFC to OUT2
Isolation (dB)
Insertion Loss (dB)
–0.2
8.0
0
0.5
1.0
1.5
2.0
2.5
Frequency (GHz)
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
Frequency (GHz)
Figure 3. Typical Insertion Loss
Figure 4. Typical Isolation
+0.1
0
–0.1
0
Input to OUT1 (S11)
RFC to OUT1 (S22)
RFC to OUT2 (S11)
RFC to OUT2 (S33)
–10
–0.2
–0.3
Compression (dB)
–5
Return Loss (dB)
–15
–20
–25
–30
1.8 V
1.9 V
2.0 V
2.5 V
2.7 V
3.0 V
5.0 V
–0.4
–0.5
–0.6
–0.7
–35
–0.8
–40
–0.9
–45
–1.0
–50
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
0
+4
+8
+12
+16
+20
+24
Figure 6. Compression vs Control Voltage
(2450 MHz)
Figure 5. Typical Return Loss
0
Compression (dB)
–0.2
–0.4
1.7 V
1.8 V
2.1 V
2.5 V
2.7 V
3.0 V
3.3 V
4.0 V
5.0 V
–0.6
–0.8
–1.0
–1.2
0
+4
+8
+12
+16
+20
+24
+28
+32
Input Power (dBm)
Figure 7. Compression v s Control Voltage
(5.2 to 5.8 GHz)
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+28
Input Power (dBm)
Frequency (GHz)
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+32
+36
DATA SHEET • SKY13335-381LF: SPDT SWITCH
Table 5. Truth Table (VHIGH = 2 to 5 V)
Note:
VCTL1 (Pin 6)
VCTL2 (Pin 4)
RFC to OUT1 Path
RFC to OUT2 Path
1
0
Insertion loss
Isolation
0
1
Isolation
Insertion loss
0 = 0 to 0.2 V
1 = 1.8 to 5.0 V
Any state other than described in this table places the device in an undefined state. An undefined state does not damage the device.
Evaluation Board Description
Package and Handling Information
The SKY13335-381LF Evaluation Board is used to test the
performance of the SKY13335-381LF SPDT switch. An Evaluation
Board schematic diagram is provided in Figure 8. An assembly
drawing for the Evaluation Board is shown in Figure 9.
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 SKY13335-381LF 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 SKY13335-381LF is provided in
Figure 10. Typical case markings are shown in Figure 11.
Package dimensions for the 6-pin MLPD are shown in Figure 12,
and tape and reel dimensions are provided in Figure 13.
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.
OUT1
VCTL1
C1
RFC
C3
OUT2
C2
C1, C2, and C3 are blocking
capacitors (47 pF)
VCTL2
S1530
Figure 8. SKY13335-381LF Evaluation Board Schematic
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DATA SHEET • SKY13335-381LF: SPDT SWITCH
RFC
0 or +3 V DC Source
(Pin 6)
C3
R1
0 or +3 V DC Source
(Pin 4)
R2
C1
OUT1
C2
OUT2
C1, C2, and C3 are blocking
capacitors (47 pF)
R1 and R2 = 0 Ω
S1531
Figure 9. SKY13335-381LF Evaluation Board Assembly Drawing
6X 0.75
0.375 X 45o
6X 0.40
0.60
0.50 Pitch
1.20
6X 0.25 0.55
1.10
S1529
Figure 10. SKY13335-381LF PCB Layout Footprint
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DATA SHEET • SKY13335-381LF: SPDT SWITCH
Pin 1
Indicator
Skyworks Part #
Figure 11. Typical Case Markings
(Top View)
C
2.0
1.10 +0.10/–0.15
0.02 +0.03/–0.02
B
Pin 1
Indicator
Pin 1 Ind.
Seating Plane
A
2X 0.05
1.5
1.20 +0.10/–0.15
Detail B
0.10 C
2X
6X
3
Detail C
Exposed Pad
0.08 C
2X
0.10 C
0.41/0.50
0.10 C
Top View
Side View
Bottom View
6X 0.20 Nom.
0.250 ± 0.10
0.5
CL
0.25 +0.05/–0.07 5
0.10 C A B
2X R0.05
Detail C
Detail B
6 Places
All measurements are in millimeters.
Dimensioning and tolerancing according to ASME Y14.5M-1994.
Coplanarity applies to the exposed heat sink slug as well as the terminals..
Plating requirement per source control drawing (SCD) 2504.
Dimension applies to metalized terminal and is measured between 0.15 mm and 0.30 mm from terminal tip.
S1528
Figure 12. SKY13335-381LF 6-Pin MLPD Package Dimensions
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DATA SHEET • SKY13335-381LF: SPDT SWITCH
4.00
0.30 ± 0.05
∅1.50 + 0.1/–0.0
∅1.00 Min.
2.00 ± 0.05 (See Note 3)
4.00 (See Note 1)
1.75 ± 0.10
3.50 ± 0.05
(See Note 3)
Pin #1
8.00 +0.3/–0.1
A
R0.20 Max.
Bo
A
R0.3 Typ.
Ko
Ao
A
Notes:
1. 10 sprocket hole pitch cumulative tolerance ±0.2.
2. Chambre in compliance with EIA 481.
3. Pocket position relative to sprocket hole measured
as true position of pocket, not pocket hole.
4. Carrier tape: black conductive polycarbonate or polystyrene.
5. Cover tape material: transparent conductive PSA.
6. Cover tape size: 9.3mm width.
7. All measurements are in millimeters.
Ao = 1.70
Bo = 2.20
Ko = 0.55
Figure 13. SKY13335-381LF Tape and Reel Dimensions
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S1723
DATA SHEET • SKY13335-381LF: SPDT SWITCH
Ordering Information
Model Name
SKY13335-381LF: SPDT Switch
Manufacturing Part Number
SKY13335-381LF
Evaluation Kit Part Number
SK41218-2, Rev. 1
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