DATA SHEET
SKYA21024: 0.01 to 6.0 GHz Single Control SPDT Switch
Applications
Automotive WLAN 802.11 a/b/g/n/ac
RFC
WLAN repeaters
ISM band radios
Low power transmit receive systems
RF1
RF2
Automotive infotainment
Decoder
Features
204618-001
Low insertion loss: 0.40 dB @ 2.0 GHz
VCTL
High isolation: >25 dB @ 2.0 GHz
VDD
Figure 1. SKYA21024 Block Diagram
Single bit control
Automotive Level-3 PPAP available upon request
IMDS material declaration available at production release
Description
Extended production life to support automotive requirements
The SKYA21024 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 SKYA21024 maintains low insertion loss and high isolation for
all switching paths.
Independent BOM management to minimize PCN risk
Small QFN (6-pin, 1 x 1 mm) package
(MSL1, 260 C per JEDEC J-STD-020)
TM
RFC
Skyworks Green 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
1
RF1
2
5
VCTL
4
RF2
GND
3
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.
204618-002
Figure 2. SKYA21024 Pinout
(Top View)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
204618C • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • September 7, 2017
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DATA SHEET • SKYA21024: 0.01 TO 6.0 GHz SINGLE CONTROL SPDT SWITCH
Table 1. SKYA21024 Signal Descriptions
Pin
Name
Description
1
VDD
Supply voltage
2
RF1
RF port 1 (must be DC blocked)
3
GND
Ground
Pin
4
Name
Description
RF2
RF port 2 (must be DC blocked)
5
VCTL
DC control voltage
6
RFC
RF common port (must be DC blocked)
Electrical and Mechanical Specifications
The absolute maximum ratings of the SKYA21024 are provided in
Table 2. Electrical specifications are provided in Table 3.
The typical performance characteristics for the SKYA21024 are
shown in Figures 4 through 7.
The state of the SKYA21024 is determined by the logic provided
in Table 4. A timing diagram is shown in Figure 3.
Table 2. SKYA21024 Absolute Maximum Ratings1
Parameter
Minimum
Maximum
Units
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
Supply voltage
Symbol
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.
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DATA SHEET • SKYA21024: 0.01 TO 6.0 GHz SINGLE CONTROL SPDT SWITCH
Table 3. SKYA21024 Electrical Specifications1
(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)
nd
2 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
1.8
Supply voltage
VDD
Supply current
IDD
VDD = 2.8 V
2.5
3
Control current
ICTL
VCTL = 1.8 V
1
Leakage control current
ICTL_LKG
VCTL = 1.8 V, VDD = 0 V
0.45
3.0
V
V
3.5
V
10
μA
μA
0.5
μA
1 Performance is guaranteed only under the conditions listed in this table.
2 VCTL_H should always be lower than or equal to VDD.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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3
DATA SHEET • SKYA21024: 0.01 TO 6.0 GHz SINGLE CONTROL SPDT SWITCH
Table 4. SKYA21024 Truth Table1
VDD (Pin 1)
VCTL (Pin 5)
Insertion Loss Path
H
H
RFC to RF1
H
L
RFC to RF2
1 “H” = +1.35 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
Figure 3. SKYA21024 Timing Diagram
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204618-003
DATA SHEET • SKYA21024: 0.01 TO 6.0 GHz SINGLE CONTROL 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
Return Loss (dB)
–0.6
–0.8
–1.0
1
2
3
4
5
–20
–30
–40
–50
204618-005
–0.4
0
S11_RF1on
S11_RF2on
–10
204618-004
Insertion Loss (dB)
–0.2
–60
6
0
1
2
3
Frequency (GHz)
Frequency (GHz)
0
0
RFC-RF2
RFC-RF1
–30
–40
–50
0
1
2
3
4
Frequency (GHz)
Figure 6. Isolation vs Frequency
5
6
–30
–40
204618-007
Isolation (dB)
–20
204618-006
Isolation (dB)
6
RF1-RF2 ISO (RFC-RF1on)
RF1-RF2 ISO (RFC-RF2on)
–10
–20
–60
5
Figure 5. Return Loss vs Frequency
Figure 4. Insertion Loss vs Frequency
–10
4
–50
–60
0
1
2
3
Frequency (GHz)
4
5
6
Figure 7. Isolation vs Frequency
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DATA SHEET • SKYA21024: 0.01 TO 6.0 GHz SINGLE CONTROL SPDT SWITCH
Evaluation Board Description
Package and Handling Information
The SKYA21024 Evaluation Board is used to test the performance
of the SKYA21024 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 SKYA21024 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 SKYA21024 is provided in
Figure 10. Typical part markings are shown in Figure 11. Package
dimensions 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 = 10 nF for low frequency applications (less than 100 MHz)
C4 = 10 nF
204618-008
Figure 8. SKYA21024 Evaluation Board Schematic
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DATA SHEET • SKYA21024: 0.01 TO 6.0 GHz SINGLE CONTROL SPDT SWITCH
VDD
RF1
C1
C4
C3
RFC
C2
RF2
VCTL
204618-009
Figure 9. SKYA21024 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
204618-010
Figure 10. SKYA21024 PCB Layout Footprint
(Top View)
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DATA SHEET • SKYA21024: 0.01 TO 6.0 GHz SINGLE CONTROL SPDT SWITCH
Pin 1
Indicator
DX
XXX
Skyworks
Part Number
Q/Y Code
Lot Code (L)
204618-011
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)
Notes:
1. All measurements are in millimeters.
2. Dimensions and tolerances according to ASME Y14.5M-1994.
204618-012
Figure 12. SKYA21024 Package Dimensions
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September 7, 2017 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 204618C
DATA SHEET • SKYA21024: 0.01 TO 6.0 GHz SINGLE CONTROL SPDT SWITCH
204618-013
Figure 13. SKYA21024 Tape and Reel Dimensions
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • SKYA21024: 0.01 TO 6.0 GHz SINGLE CONTROL SPDT SWITCH
Ordering Information
Model Name
SKYA21024: SPDT Switch
Manufacturing Part Number
SKYA21024
Evaluation Board Part Number
SKYA21024-EVB
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Skyworks as a service to its customers and may be used for informational purposes only by the customer. Skyworks assumes no responsibility for errors or omissions in these materials or the
information contained herein. Skyworks may change its documentation, products, services, specifications or product descriptions at any time, without notice. Skyworks makes no commitment to
update the materials or information and shall have no responsibility whatsoever for conflicts, incompatibilities, or other difficulties arising from any future changes.
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information provided hereunder, including the sale, distribution, reproduction or use of Skyworks products, information or materials, except as may be provided in Skyworks Terms and Conditions
of Sale.
THE MATERIALS, PRODUCTS AND INFORMATION ARE PROVIDED “AS IS” WITHOUT WARRANTY OF ANY KIND, WHETHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, INCLUDING FITNESS FOR A
PARTICULAR PURPOSE OR USE, MERCHANTABILITY, PERFORMANCE, QUALITY OR NON-INFRINGEMENT OF ANY INTELLECTUAL PROPERTY RIGHT; ALL SUCH WARRANTIES ARE HEREBY EXPRESSLY
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