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SKY13345-368LF Datasheet Preview

SKY13345-368LF Datasheet

SP3T Switch

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DATA SHEET
SKY13345-368LF: 0.1 to 3.5 GHz SP3T Switch
Applications
802.11 b/g WLANs
Bluetooth®
J3 V3
Features
Broadband frequency range: 0.1 to 3.5 GHz
Low insertion loss: 0.5 dB @ 2.45 GHz
High isolation: 32 dB up to 2.45 GHz
No external DC blocking capacitors required
Positive low voltage control: VCTL = 1.6 to 3.3 V,
VDD = 2.5 to 5.5 V
Small, QFN (12-pin, 2 x 2 mm) package
(MSL1, 260 C per JEDEC J-STD-020)
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.
12 11 10
J1 1
9 J2
GND 2
8 GND
RFC J2
V2
V1 J1
ts738
Figure 1. SKY13345-368LF Block Diagram
Description
The SKY13345-368LF is a CMOS silicon-on-insulation (SOI),
single-pole, triple-throw (SP3T) switch. The high linearity
performance and low insertion loss makes the device an ideal
choice for WLAN (802.11 b/g) and Bluetooth® applications in the
2.4 to 2.5 GHz frequency range.
The SKY13345-368LF SP3T 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.
J3 3
7 VDD
45 6
S1812
Figure 2. SKY13345-368LF Pinout – 12-Pin QFN
(Top View)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201194E • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • September 15, 2015
1




Skyworks Solutions

SKY13345-368LF Datasheet Preview

SKY13345-368LF Datasheet

SP3T Switch

No Preview Available !

DATA SHEET • SKY13345-368LF: 0.1 TO 3.5 GHz SP3T SWITCH
Table 1. SKY13345-368LF Signal Descriptions (Note 1)
Pin Name
Description
1 J1
RF port 1
2 GND
Ground
3 J3
RF port 3
4 V1
DC control voltage 1 (see Table 4)
5 V2
DC control voltage 2 (see Table 4)
6 V3
DC control voltage 3 (see Table 4)
Note 1: Exposed pad must be grounded.
Pin Name
7 VDD
8 GND
9 J2
10 GND
11 RFC
12 N/C
Description
DC power supply
Ground
RF port 2
Ground
RF common (antenna) port
No connection (pin may be grounded)
Functional Description
The SKY13345-368LF includes an internal negative voltage
generator and decoder that eliminate the need for external DC
blocking capacitors on the RF ports. No external components are
required for proper operation. DC decoupling capacitors may be
added on the VDD and control lines if necessary.
Switching is controlled by three control voltage inputs: V1, V2, and
V3. Depending on the logic voltage level applied to the control
pins, the RFC (RF common) pin is connected to one of three
switched RF outputs (J1, J2, or J3) through a low insertion path,
while the path between the RFC pin and the other RF pins is in a
high isolation state. There is a fourth switching state that enables
J2 and J3 at the same time. The output power measured at J2
and J3 in this state is 3 dB less than the insertion loss.
For proper switching operation, the SKY13345-368LF must be set
to a state for a minimum of 10 μs before changing to a different
state. A typical switching diagram is shown in Figure 3.
Shutdown mode is enabled by connecting all control pins to logic
low. This mode reduces the overall current consumption of the
device to 5 μA, typical. To prevent the switch from accidentally
entering shutdown mode during switching, caution must be taken
to avoid having all three control signals (V1, V2, and V3) set to
logic low for more than 500 ns. When exiting shutdown mode, the
switch has a 25 μs startup time before switching occurs.
Electrical and Mechanical Specifications
The absolute maximum ratings of the SKY13345-368LF are
provided in Table 2. Electrical specifications are provided in
Table 3.
The state of the SKY13345-368LF is determined by the logic
provided in Table 4.
Typical performance characteristics of the SKY13345-368LF are
illustrated in Figures 4 through 7.
Table 2. SKY13345-368LF Absolute Maximum Ratings (Note 1)
Parameter
Symbol
Minimum
Maximum
Units
Supply voltage (VDD)
VDD
2.5 5.5
V
Control voltage (V1, V2, V3) (Note 2)
VCTL
1.6 3.3
V
Input power
PIN
+35 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.
Note 2: Any bias voltage applied to the V1, V2, or V3 pins may damage the device if there is no bias voltage also present on the VDD pin.
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.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
2 September 15, 2015 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201194E


Part Number SKY13345-368LF
Description SP3T Switch
Maker Skyworks Solutions
Total Page 11 Pages
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