SKY13453_385LF_202830C.pdf

DATA SHEET
SKY13453-385LF: 0.01 to 6.0 GHz Single Control SPDT
Switch
RFC
Applications
 Cellular pre-PA mode switches
 Dual-band WLANs (802.11a/b/g/n)
RF1
RF2
Features
 Low insertion loss: 0.40 dB @ 2.0 GHz
 High isolation: >25 dB @ 2.0 GHz
 Single bit control
Decoder
S3441
VCTL
 Small QFN (6-pin, 1 x 1 mm) package
(MSL1, 260 C per JEDEC J-STD-020)
Figure 1. SKY13453-385LF Block Diagram
RFC
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.
6
VDD
5
2
4
3
GND
RF1
1
VDD
VCTL
RF2
Description
The SKY13453-385LF is a single-pole, double-throw (SPDT)
switch intended for mode switching in pre-power amplifier (PA)
cellular or WLAN applications. Using advanced switching
technologies, the SKY13453-385LF 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 mode switching before the
PA in cellular applications. Depending on the logic voltage applied
to the control pin (VCTL), the RFC pin is connected to one of the
two switched RF outputs, RF1 or RF2, using a low insertion loss
path, while the path between the RFC pin and the other RF path is
in a high isolation state.
The switch is manufactured in a compact, 1 x 1 mm, 6-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.
S3442
Figure 2. SKY13453-385LF Pinout – 6-Pin QFN
(Top View)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
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DATA SHEET • SKY13453-385LF: SPDT SWITCH
Table 1. SKY13453-385LF Signal Descriptions
Pin
Name
Description
1
VDD
Supply voltage
2
RF1
RF port 1. Must be DC blocked.
3
GND
Ground
Pin
4
Electrical and Mechanical Specifications
The absolute maximum ratings of the SKY13453-385LF are
provided in Table 2. Electrical specifications are provided in
Table 3.
Name
Description
RF2
RF port 2. Must be DC blocked.
5
VCTL
DC control voltage
6
RFC
RF common port. Must be DC blocked.
The state of the SKY13453-385LF is determined by the logic
provided in Table 4. A timing diagram is shown in Figure 3.
The typical performance characteristics for the SKY13453-385LF
are shown in Figures 4 through 7.
Table 2. SKY13453-385LF Absolute Maximum Ratings (Note 1)
Parameter
Symbol
Minimum
Maximum
Units
Supply voltage
VDD
2.5
3.7
V
Control voltage
VCTL
–0.2
+3.0
V
Input power
PIN
+33
dBm
Storage temperature
TSTG
–40
+125
C
Operating temperature
TOP
–40
+90
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.
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DATA SHEET • SKY13453-385LF: SPDT SWITCH
Table 3. SKY13453-385LF Electrical Specifications (Note 1)
(VDD = 2.8 V, VCTL = 1.8 V, TOP = +25 C, PIN = 0 dBm, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Parameter
Symbol
Test Condition
Min
Typical
Max
Units
0.40
0.40
0.45
0.70
0.55
0.55
0.60
0.85
dB
dB
dB
dB
RF Specifications
Insertion loss (RFC to RF1/RF2 ports)
IL
0.01 to 1.0 GHz
1.0 to 2.0 GHz
2.0 to 3.0 GHz
4.8 to 6.0 GHz
Isolation (RFC to RF1/RF2 ports)
Iso
0.01 to 1.0 GHz
1.0 to 2.0 GHz
2.0 to 3.0 GHz
4.8 to 6.0 GHz
Return loss (RFC to RF1/RF2 ports)
|S11|
0.1 dB input compression point (RF1/RF2
ports)
2nd harmonics
27
27
24
15
dB
dB
dB
dB
0.01 to 3.0 GHz
4.8 to 6.0 GHz
23
29
dB
dB
IP0.1dB
0.7 to 6.0 GHz
+33
dBm
2fo
PIN = +20 dBm:
+74
+75
+85
+85
dBc
dBc
+75
+75
+85
+85
dBc
dBc
+50
+50
+57
+56
dBm
dBm
802.11a, 54 Mbps,
PIN ≤ +27 dBm
2.5
%
802.11g, 54 Mbps,
PIN ≤ +27 dBm
2.5
%
650
ns
650
500
500
ns
ns
ns
0.8 to 2.7 GHz
4.8 to 6.0 GHz
3rd harmonics
3fo
PIN = +20 dBm:
0.8 to 2.7 GHz
4.8 to 6.0 GHz
Third order input intercept point (RF1/RF2)
IIP3
PIN = +17 dBm/tone,
Δf = 1 MHz:
2.450 GHz,
5.8 GHz
Error vector magnitude
EVM
Switching speed
25
25
22
@ 2.45 GHz:
50% VCTL to 10/90% RF
on time
50% VCTL to 90/10% RF
off time
10/90% RF rise time
90/10% RF fall time
DC Specifications
Control voltage:
Note 2
Low
High
VCTL_L
VCTL_H
0
1.35
Supply voltage
VDD
2.5
Supply current
IDD
VDD = 3.7 V
3
Control current
ICTL
VCTL = 1.8 V
1
Leakage control current
ICTL_LKG
VCTL = 1.8 V, VDD = 0 V
1.8
0.45
3.0
V
V
3.5
V
10
μA
μA
0.5
μA
Note 1: Performance is guaranteed only under the conditions listed in this table
Note 2: VCTL_H should always be lower than or equal to VDD.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
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DATA SHEET • SKY13453-385LF: SPDT SWITCH
Table 4. SKY13453-385LF Truth Table
Note:
VDD (Pin 1)
VCTL (Pin 5)
Insertion Loss Path
H
H
RFC to RF1
H
L
RFC to RF2
“H” = +1.8 V to +3.0 V. “L” = 0 V to +0.45 V. Any state other than described in this Table places the switch into an undefined
state. An undefined state will not damage the device.
VDD voltage (V)
VDD
VDD
Time (μs)
V control voltage (V)
VCTL High
VCTL_high
50% of VCTL_high
VCTL low
VCTL Low
Time (μs)
Output power (dBm)
RFin
RFin (dBm)
RFout (dBm)
90% of RFout
Insertion loss (dB)
10% of RFout
Time (μs)
Rise Time
TSW = 500 ns (typ)
Switching Time
TSW = 650 ns (typ)
Scenario 1: Power-Up Sequence:
Scenario 2: Power-Down Sequence:
Scenario 3: Switching Ports:
1. Set VDD
2. Set VCTL
3. Apply RF signal
1. Turn off RF signal
2. Turn off VCTL
3. Turn off VDD
1. Turn off RF signal
2. Change VCTL state
3. Turn on RF signal
Y0352
Figure 3. SKY13453-385LF Timing Diagram
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DATA SHEET • SKY13453-385LF: SPDT SWITCH
Typical Performance Characteristics
(VDD = 2.8 V, VCTL = 1.8 V, TOP = +25 C, PIN = 0 dBm, Characteristic Impedance [Zo] = 50 Ω, Unless Otherwise Noted)
0
0
RFC-RF1
RFC-RF2
S11_RF1on
S11_RF2on
–10
Return Loss (dB)
–0.4
–0.6
–0.8
–20
–30
–40
Y0356
–50
–1.0
0
1
2
3
4
5
Y0354
Insertion Loss (dB)
–0.2
–60
0
6
1
2
Frequency (GHz)
0
0
RFC-RF2
RFC-RF1
5
6
RF1-RF2 ISO (RFC-RF1on)
RF1-RF2 ISO (RFC-RF2on)
–10
–20
Isolation (dB)
–20
–30
–40
–30
–40
0
1
2
3
4
Frequency (GHz)
Figure 6. Isolation vs Frequency
5
6
Y0357
–50
–50
Y0355
Isolation (dB)
–10
4
Figure 5. Return Loss vs Frequency
Figure 4. Insertion Loss vs Frequency
–60
3
Frequency (GHz)
–60
0
1
2
3
Frequency (GHz)
4
5
6
Figure 7. Isolation vs Frequency
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
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DATA SHEET • SKY13453-385LF: SPDT SWITCH
Evaluation Board Description
Package and Handling Information
The SKY13453-385LF Evaluation Board is used to test the
performance of the SKY13453-385LF SP2T 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 SKY13453-385LF is rated to Moisture Sensitivity Level 1
(MSL1) at 260 C. It can be used for lead or lead-free soldering. 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 SKY13453-385LF is provided in
Figure 10. Typical part markings are shown in Figure 11. Package
dimensions for the 6-pin QFN 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.
RFC Port
C3
1
Supply Voltage
RFC
6
VDD
VCTL
RF1
RF2
5
Control Voltage
C4
4
C1
GND
2
RF1 Port
RF2 Port
C2
3
Notes:
C1, C2, and C3 = 22 pF for WLAN applications (2.4 to 6 GHz)
47 pF for cellular applications (0.7 to 3 GHz)
10 nF for low frequency applications (less than 100 MHz)
C4 = 10nF
Y0353
Figure 8. SKY13453-385LF Evaluation Board Schematic
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DATA SHEET • SKY13453-385LF: SPDT SWITCH
VDD
RF1
C1
C4
C3
RFC
C2
RF2
VCTL
S3456
Figure 9. SKY13453-385LF Evaluation Board Assembly Diagram
6X 0.65
2X 0.20
4X 0.33
Pin 1
4X 0.15
Pitch 0.50
2X 0.51
Part Outline
Exposed Soldering Area
CL
S1982
Figure 10. SKY13453-385LF PCB Layout Footprint
(Top View)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
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DATA SHEET • SKY13453-385LF: SPDT SWITCH
Pin 1
Indicator
Skyworks Part #
Figure 11. Typical Part Markings
(Top View)
C
Seating Plane
0.45 +0.05/–0.04
1
A
0.05 X 45°
Pin 1 Indicator
0.02 +0.03/–0.02
B
Pin 1
Indicator
1
0.5
0.05 C
2X
6X 3
0.10 C
2X
See Detail B
See Detail A
0.08 C
0.05 C
Top View
Side View
0.2 ± 0.05
Bottom View
0.174 ± 0.05
5
0.10 M C A B
R0.08 Typ.
R0.08 Typ.
0.2 ± 0.05
0.356 ± 0.05
5
0.10 M C A B
Detail B
(2X)
Detail A
(4X)
All measurements are in millimeters.
Dimensioning and tolerancing according to ASME Y14.5M-1994.
Figure 12. SKY13453-385LF Package Dimensions
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S1760
DATA SHEET • SKY13453-385LF: SPDT SWITCH
2.00
2.00 ± 0.05 (See Note 3)
0.25 ± 0.05
8.0 +0.3/–0.1
∅0.50 Min.
4.00 (See Note 1)
R 0.10 Max
Pin 1 Indicator
∅1.50 +0.1/–0
B
B
1.75 ± 0.10
A
3.50 ± 0.05
(See Note 3)
5° Max.
1.20 ± 0.05 (Bo)
0.65 ± 0.05 (Ko)
A
A
R 0.1 Typ.
1.20 ± 0.05 (Ao)
Notes:
1. 10 sprocket hole pitch cumulative tolerance ±0.2.
2. Chamber in compliance with EIA 481.
3. Pocket position relative to sprocket hole measured
as true position of pocket, not pocket hole.
4. Ao and Bo are measured from a plane at a distance “R”
above the bottom of the pocket.
5. Carrier tape: black conductive polycarbonate.
6. Cover tape material: transparent conductive PSA.
7. All measurements are in millimeters.
R 0.25 Max.
0 ± 0.04 Bridge Height
B
S2822
Figure 13. SKY13453-385LF Tape and Reel Dimensions
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
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DATA SHEET • SKY13453-385LF: SPDT SWITCH
Ordering Information
Model Name
SKY13453-385LF: SPDT Switch
Manufacturing Part Number
SKY13453-385LF
Evaluation Board Part Number
SKY13453-385LF-EVB
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