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DATA SHEET
SKY13270-92LF: 20 MHz-2.7 GHz GaAs SPDT Switch
Applications
• Transmit/receive and diversity switching over 3 W
• Analog and digital wireless communication systems including
cellular, GSM, and UMTS
Features
• Broadband frequency range: 20 MHz to 2.7 GHz
• Very low insertion loss, 0.4 dB typical @ 1.0 GHz
• High isolation: 24 dB typical @ 1.0 GHz
• IP0.1dB = +37 dBm typical @ 3 V
• Low current consumption: <100 μA @ 3 V
• Ultra-miniature, SC-70 (6-pin, 2.00 x 1.25 mm) package
(MSL1, 260 °C per JEDEC J-STD-020)
Figure 1. SKY13270-92LF Block Diagram
Description
The SKY13270-92LF is a pHEMT GaAs FET Single Pole Double
Throw (SPDT) high linearity switch. This wideband switch is
designed for use in systems operating from 20 MHz to 2.7 GHz for
which extremely high linearity, low control voltage, high isolation,
low insertion loss, and ultra-miniature package size are required.
The device is controlled with positive, negative, or a combination
of both voltages. The RF signal paths within the device are fully
bilateral.
The SKY13270-92LF is manufactured in a compact, low-cost
2.00 x 1.25 mm, 6-pin SC-70 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. SKY13270-92LF Pinout –6-Pin SC-70
(Top View)
DATA SHEET • SKY13270-92LF SPDT SWITCH
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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Table 1. SKY13270-92LF Signal Descriptions
Pin # Name Description Pin # Name Description
1 J2 RF input/output. According to the logic
voltage levels applied to the V1 and V2 pins,
this port is either connected to J1 using a
low insertion loss path or isolated from J1
(Note 1).
4 V2 DC control voltage input #2. The logic
voltage applied to this pin, along with the
voltage level applied to the V1 pin,
determines the states of the RF paths
between J1/J2 and J1/J3.
2 GND Ground. Equipotential port, internal circuit
common, which must connected to the PCB
ground or common using the lowest
possible impedance.
5 J1 RF input/output. According to the logic
voltage levels applied to the V1 and V2 pins,
this port is either connected to J2 or to J3
using a low insertion loss path and isolated
from the other RF port (Note 1).
3 J3 RF input/output. According to the logic
voltage levels applied to the V1 and V2 pins,
this port is either connected to J1 using a
low insertion loss path or isolated from J1
(Note 1).
6 V1 DC control voltage input #1. The logic
voltage applied to this pin, along with the
voltage level applied to the V2 pin,
determines the states of the RF paths
between J1/J2 and J1/J3.
Note 1: A 100 pF blocking capacitor is required for >500 MHz operation. Use larger value capacitors for lower frequency operation.
Table 2. SKY13270-92LF Absolute Maximum Ratings
Parameter Symbol Minimum Maximum Units
Control voltage VCTL –0.2 +8.0 V
RF input power (VCTL = 0-5 V @ 0.9 GHz) PIN +37.8 dBm
Operating temperature TOP –40 +85 °C
Storage temperature TSTG –65 +150 °C
Note: 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.
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.
Technical Description
The SKY13270-92LF is controlled using two voltage inputs, V1
and V2 (pins 6 and 4, respectively). Depending on the voltage level
applied to these pins, the common RF port (J1) is connected to
one of two RF ports (J2 or J3) using a low insertion loss path,
while the path between J1 and the other RF port is in its isolation
state.
When the control voltages are toggled, the states between J1 and
J2, as well as J1 and J3, are also toggled.
Electrical and Mechanical Specifications
The absolute maximum ratings of the SKY13270-92LF are
provided in Table 2. Electrical specifications are provided in
Table 3 and the operating characteristics are specified in Table 4.
Typical performance characteristics of the SKYA13270-92LF are
illustrated in Figures 3 through 6.
The state of the SKY13270-92LF is determined by the logic
provided in Table 5.
DATA SHEET • SKY13270-92LF SPDT SWITCH
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Table 3. SKY13270-92LF Electrical Specifications (Note 1)
(VCTL = 0-3 V, TOP = +25 °C, PIN = 0 dBm, Characteristic Impedance = 50 Ω, Unless Otherwise Noted)
Parameter Symbol Test Condition Min Typical Max Units
Insertion loss IL 0.02 to 0.5 GHz
0.5 to 1.0 GHz
1.0 to 2.0 GHz
2.0 to 2.7 GHz
0.40
0.45
0.50
0.60
0.50
0.50
0.60
0.70
dB
dB
dB
dB
Isolation Iso 0.02 to 0.5 GHz
0.5 to 1.0 GHz
1.0 to 2.0 GHz
2.0 to 2.7 GHz
28
22
17
15
30
24
22
19
dB
dB
dB
dB
Return loss (insertion loss state) |S11| 0.02 to 2.7 GHz 18 dB
Switching characteristics:
Rise/fall
On/off
Video feedthrough
0/90% or 90/10% RF
50% control to 90/10%
RF
TRISE = 1 ns,
bandwidth = 500 MHz
60
100
50
ns
ns
mV
0.1 dB Input Compression Point IP0.1dB @ 48 MHz
@ 900 MHz
+33.9
+37.0
dBm
dBm
2nd and 3rd harmonics 2fo, 3fo PIN = +34.5 dBm
@ 900 MHz
–65 dBc
Thermal resistance 25 °C/W
Control voltage:
Low (@ 20 μA max)
High (@100 μA max)
High (@ 200 μA max)
VCTL_L
VCTL_H
VCTL_H
0
2.5
5.0
V
V
V
Note 1: Performance is guaranteed only under the conditions listed in this Table.
Typical Performance Characteristics
(VCTL = 0-3 V, TOP = +25 °C, PIN = 0 dBm, Characteristic Impedance [ZO] = 50 Ω, CBL = 100 pF, Unless Otherwise Noted)
Figure 3. Insertion Loss vs Frequency
Figure 4. Isolation vs Frequency
DATA SHEET • SKY13270-92LF SPDT SWITCH
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Figure 5. Input Return Loss (Insertion Loss State) vs Frequency
Figure 6. Second and Third Harmonics vs Control Voltage
(Pin = +34.5 @ 900 MHz, GSM Signal)
Table 4. Truth Table (VHIGH = 2 to 5 V)
V1 V2 J1-J2 J1-J3
VLOW VHIGH Isolation Insertion loss
VHIGH VLOW Insertion loss Isolation
Note
: VLOW = 0 to 0.2 V, VHIGH = 2.5 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
The SKY13270-92LF Evaluation Board is used to test the
performance of the SKY13270-92LF SPDT switch. An Evaluation
Board schematic diagram is provided in Figure 7. An assembly
drawing for the Evaluation Board is shown in Figure 8.
Package Dimensions
Typical case markings are shown in Figure 9. Package
dimensions for the 6-pin SC-70 are shown in Figure 10, and tape
and reel dimensions are provided in Figure 11.
Package and Handling Information
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 SKY13270-92LF is rated to Moisture Sensitivity Level 1
(MSL1) at 260 °C. It can be used for lead or lead-free soldering.
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.
DATA SHEET • SKY13270-92LF SPDT SWITCH
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
200128H • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • March 6, 2013 5
Figure 7. SKY13270-92LF Evaluation Board Schematic
Figure 8. SKY13270-92LF Evaluation Board Assembly Diagram
DATA SHEET • SKY13270-92LF SPDT SWITCH
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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Figure 9. Typical Case Markings
Figure 10. SKY13270-92LF 6-Pin SC-70 Package Dimensions
DATA SHEET • SKY13270-92LF SPDT SWITCH
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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Figure 11. SKY13270-92LF Tape and Reel Dimensions
DATA SHEET • SKY13270-92LF SPDT SWITCH
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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Ordering Information
Model Name Manufacturing Part Number Evaluation Board Part Number
SKY13270-92LF SPDT Switch SKY13270-92LF SKY13270-92LF-EVB
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