Data Sheets - Skyworks Solutions, Inc.

DATA SHEET
SKY13395-397LF: 0.1-4.0 GHz DPDT Switch
Applications
• Simultaneous voice and LTE data
• Diversity antenna switching
Features
• Low insertion loss: 0.7 dB @ 2.5 GHz
• High isolation: 21 dB up to 2.5 GHz
• Positive control voltage range: 1.8 to 5.0 V
• IP1dB: +38 dBm typical @ 3 V
• Small, QFN (12-pin, 2 x 2 mm) package (MSL1, 260 °C per
JEDEC J-STD-020)
Figure 1. SKY13395-397LF Block Diagram
Description
The SKY13395-397LF is a GaAs pHEMT double-pole, doublethrow (DPDT) switch. The switch provides high linearity
performance, low insertion loss, and high isolation.
Switching is controlled by two voltage inputs (CTRL1 and CTRL2).
Depending on the logic voltage level applied to these pins, the
PORT1 and PORT2 pins connect to one of the two other RF port
pins (PORT3 or PORT4) through a low insertion loss path, while
maintaining a high isolation path to the alternate port.
The SKY13395-397LF DPDT switch is provided in a compact Quad
Flat No-Lead (QFN) 2 x 2 mm 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.
Figure 2. SKY13395-397LF Pinout – 12-Pin QFN
(Top View)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
201385B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • August 5, 2013
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DATA SHEET • SKY13395-397LF DPDT SWITCH
Table 1. SKY13395-397LF Signal Descriptions
Pin #
Note:
Name
Description
Pin #
Name
Description
1
N/C
No connection. Pin may be grounded.
7
PORT1
RF port 1. Requires a DC blocking capacitor.
2
CTRL2
DC control voltage 2. See Table 4.
8
N/C
No connection. Pin may be grounded.
3
CTRL1
DC control voltage 1. See Table 4.
9
PORT4
RF Port 4. Requires a DC blocking capacitor.
4
GND
Ground. Internally grounded.
10
GND
Ground. Internally grounded.
5
PORT2
RF port 2. Requires a DC blocking capacitor.
11
PORT3
RF port 3. Requires a DC blocking capacitor.
6
GND
Ground. Internally grounded.
12
GND
Ground. Internally grounded.
Exposed pad must be properly grounded using a low impedance path.
Table 2. SKY13395-397LF Absolute Maximum Ratings (Note 1)
Parameter
Symbol
Minimum
Maximum
Units
Control voltage
VCTL
6
V
Input power
PIN
+39
dBm
Storage temperature
TSTG
–40
+125
°C
Operating temperature
TOP
–40
+85
°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.
Functional Description
Electrical and Mechanical Specifications
The SKY13395-397LF DPDT switch can be used to connect either
RF port 1 or RF port 2 to either RF port 3 or RF port 4 by applying
the proper bias to the two control pins (CTRL1 and CTRL2). When
Port 1 is connected to Port 4 using a low loss path, Port 2 is
connected to Port 3 also with a low loss path. When Port 1 is
connected to Port 3 using low loss path, Port 2 is connected to
Port 4 also with a low loss path.
The absolute maximum ratings of the SKY13395-397LF are
provided in Table 2. Electrical specifications are provided in
Table 3.
The DPDT switch is designed to maximize the isolation between
ports to minimize coupling between RF paths.
The state of the SKY13395-397LF is determined by the logic
provided in Table 4.
Typical performance characteristics of the SKY13395-397LF are
illustrated in Figures 3 through 7.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
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DATA SHEET • SKY13395-397LF DPDT SWITCH
Table 3. SKY13395-397LF Electrical Specifications (Note 1)
(VCTL = 0 V and +3.0 V, TOP = +25 °C, PIN = 0 dBm, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Parameter
Symbol
Test Condition
Min
Typical
Max
Units
0.50
0.70
1.00
0.60
0.75
1.20
dB
dB
dB
0.1 to 1.0 GHz
1.0 to 2.5 GHz
2.5 to 4.0 GHz
27
19
15
28
21
17
dB
dB
dB
20
dB
RF Specifications
Insertion loss
IL
PORT1/PORT2 to
PORT3/PORT4
0.1 to 1.0 GHz
1.0 to 2.5 GHz
2.5 to 4.0 GHz
Isolation
Iso
PORT1/PORT2 to
PORT3/PORT4,
PORT1 to PORT2, PORT3
to PORT4
Return loss (Note 2)
|S11|
PORT1/PORT2 to
PORT3/PORT4,
0.1 to 4.0 GHz
1 dB Input Compression Point
IP1dB
0.1 to 4.0 GHz
+38
dBm
0.1 dB Input Compression Point
IP0.1dB
0.1 to 4.0 GHz
+35
dBm
3 Order Input Intercept Point
IIP3
PIN = +20 dBm/tone,
Δf = 1 MHz,
0.1 to 4.0 GHz
+62
dBm
2nd harmonic
2fo
PIN = +25 dBm,
0.1 to 4.0 GHz
+77
dBc
3rd harmonic
3fo
PIN = +25 dBm,
0.1 to 4.0 GHz
+77
dBc
Error Vector Magnitude
EVM
@ 2.45 GHz, PIN level @
2.5% EVM, 802.11g,
54 Mbps, 64 QAM,
VCTL = 3 V
+30
dBm
50% V1/V2 to 90/10% RF
50
ns
90/10% RF or 10/90% RF
35
ns
rd
Switching speed
DC Specifications
Control voltage:
high
low
V1, V2
Control current
ICC
1.8
–0.2
3.0
0
5.0
+0.2
V
V
μA
5
Note 1: Performance is guaranteed only under the conditions listed in this Table.
Note 2: Lower frequency return loss is dependent on the DC blocking capacitor value.
Table 4. SKY13395-397LF Truth Table
Note:
CTRL1
CTRL2
State
0
0
Low current mode (PORT1/2/3/4 connected)
1
0
PORT3 to PORT1, PORT4 to PORT2
0
1
PORT3 to PORT2, PORT4 to PORT1
1 = 1.8 to 5.0 V
0 = –0.2 to +0.2 V
Any state other than described in this Table places the switch into an undefined state.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
201385B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • August 5, 2013
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DATA SHEET • SKY13395-397LF DPDT SWITCH
Typical Performance Characteristics
(VCTL = 0 V and +3.0 V, TOP = +25 °C, PIN = 0 dBm, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Figure 3. Insertion Loss vs Frequency
Figure 4. Isolation vs Frequency
Figure 5. Isolation vs Frequency
Figure 6. EVM vs Input Power
Figure 7. Normalized Insertion Loss vs Input Power @ 2.5 GHz
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
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DATA SHEET • SKY13395-397LF DPDT SWITCH
Evaluation Board Description
Package and Handling Information
The SKY13395-397LF Evaluation Board is used to test the
performance of the SKY13395-397LF DPDT Switch.
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.
An Evaluation Board schematic diagram is provided in Figure 8.
An assembly drawing for the Evaluation Board is shown in
Figure 9.
Package Dimensions
The PCB layout footprint for the SKY13395-397LF is provided in
Figure 10. Typical case markings are shown in Figure 11.
Package dimensions for the 12-pin QFN are shown in Figure 12,
and tape and reel dimensions are provided in Figure 13.
THE SKY13395-397LF 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.
Figure 8. SKY13395-397LF Evaluation Board Schematic
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
201385B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • August 5, 2013
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DATA SHEET • SKY13395-397LF DPDT SWITCH
Figure 9. SKY13395-397LF Evaluation Board Assembly Diagram
Figure 10. SKY13395-397LF 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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August 5, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201385B
DATA SHEET • SKY13395-397LF DPDT SWITCH
Figure 11. Typical Case Markings
(Top View)
Figure 12. SKY13395-397LF 12-Pin QFN Package Dimensions
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
201385B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • August 5, 2013
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DATA SHEET • SKY13395-397LF DPDT SWITCH
Figure 13. SKY13395-397LF 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 • SKY13395-397LF DPDT SWITCH
Ordering Information
Model Name
SKY13395-397LF DPDT Switch
Manufacturing Part Number
SKY13395-397LF
Evaluation Board Part Number
SKY13395-397LF-EVB
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Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
201385B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • August 5, 2013
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