April 23, 2014 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 202807E
DATA SHEET • SKY13498-21: SP10T ANTENNA SWITCH WITH MIPI INTERFACE
Table 2. SKY13498-21 Absolute Maximum Ratings (Note 1)
Parameter
Supply voltage
MIPI decoder enable/reference voltage
Clock signal voltage
Data signal voltage
RF input power:
LTX pin
HTX pin
All TRXx pins
Storage temperature
Operating temperature
T
STG
T
OP
–55
–30
V
DD
VIO
SCLK
SDATA
P
IN
+36
+34
+31
+150
+90
dBm
dBm
dBm
C
C
Symbol
Minimum
2.5
Maximum
6.0
2
VIO
VIO
Units
V
V
V
V
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.
Electrical and Mechanical Specifications
The absolute maximum ratings of the SKY13498-21 are provided
in Table 2. Electrical specifications are provided in Tables 3 and 4.
IMD2 and IMD3 test conditions for various frequencies are listed
in Tables 5 and 6, respectively.
Triple Beat Ratio (TBR) test conditions for bands 2 and 5 are listed
in Table 7.
Figure 3 shows a timing diagram. Figure 4 illustrates the test
setup used to measure intermodulation products. This industry
standardized test is used to simulate the WCDMA Band 1 linearity
of the antenna switch. A +20 dBm Continuous Wave (CW) signal,
f
FUND
, is sequentially applied to the TRX1 through TRX8 ports,
while a –15 dBm CW blocker signal, f
BLK
, is applied to the ANT
port.
The resulting Third Order Intermodulation Distortion (IMD3), f
RX
, is
measured over all phases of f
FUND
. The SKY13498-21 exhibits
exceptional performance for all TRXx ports.
Table 8 shows the isolation matrix for “On” arms to “Off” arms.
Table
9
shows the isolation matrix for “Ant” to “Off” arms.
Table 10 provides the matrix of insertion loss and return loss
information. Table 11 describes the register content and
programming read/write sequences. Refer to the
MIPI Alliance
Specification for RF Front–End Control Interface (RFFE),
v1.10 (26
July 2011) for additional information on MIPI programming
sequences and MIPI bus specifications.
Figures 5 and 6 provide the timing diagrams for register write
commands and read commands, respectively.
Table 12 provides the Register_0 logic. Table 13 describes the
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