Data Sheets - Skyworks Solutions, Inc.

DATA SHEET
SKY13491-21: 0.7 to 2.7 GHz SP14T MIPI® Antenna Switch
Module
Applications
 2G/3G/4G multimode cellular handsets (LTE, UMTS, CDMA2000,
EDGE, GSM, TDD-LTE, TD-SCDMA)
 Embedded data cards
TRX1
TRX2
TRX3
TRX4
Features
TRX5
 Dedicated Band 7 TRX ports: 0.90 dB insertion loss @ 2.7 GHz
 High isolation and linearity
 Broadband frequency range: 0.7 to 2.7 GHz
 Twelve linear TRX ports
 Integrated low and high band GSM harmonic filters
 External MIPI select pin to enable multiple trigger controls
 Small MCM (22-pin, 2.5 x 2.9 x 0.8 mm) package (MSL3,
260 C per JEDEC J-STD-020)
TRX6
TRX7
TRX8
ANT
TRX9
TRX10
TRX11
TRX12
TXHB
TXLB
SCLK
MIPI_SELECT
SDATA
VIO
MIPI Decoder
VDD
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.
S3445
Figure 1. SKY13491-21 Block Diagram
Description
The SKY13491-21 is a Single-Pole, Fourteen-Throw (SP14T)
antenna switch with an integrated Mobile Industry Processor
Interface (MIPI®) controller. Using an advanced switching
technology, the SKY13491-21 maintains low insertion and high
isolation, which makes it an ideal choice for UMTS, CDMA2000,
EDGE, GSM, and LTE applications.
The design features two dedicated GSM transmit ports and three
dedicated ultra low-loss TRX ports. The switch also has an
excellent triple beat ratio and 2nd/3rd Order Intermodulation
Distortion (IMD2/IMD3) performance.
Switching is controlled by the MIPI decoder. There is an external
MIPI select pin that enables how the switch responds to power
mode triggers. When this pin is grounded, the switch responds to
any of the power mode triggers. When this pin is left open, the
switch responds to individual power mode triggers. No external
DC blocking capacitors are required on the RF paths as long as no
DC voltage is applied.
The SKY13491-21 is manufactured in a compact,
2.5 x 2.9 x 0.8 mm, 22-pin surface mount Multi-Chip Module
(MCM) 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.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
202835D • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • March 12, 2014
1
TRX10
TRX11
TRX12
TRX1
17
16
15
14
13
SCLK
TXHB 20
10
SDATA
TXLB 21
9
VIO
GND 22
8
VDD
7
MIPI_SELECT
ANT
1
2
3
4
5
6
TRX3
11
TRX4
GND 19
TRX5
TRX2
TRX6
12
TRX7
TRX8 18
TRX9
DATA SHEET • SKY13491-21 SP14T ANTENNA SWITCH WITH MIPI INTERFACE
S3444
Figure 2. SKY13491-21 Pinout – 22-Pin MCM
(Top View)
Table 1. SKY13491-21 Signal Descriptions
Pin
Name
Description
Pin
Name
Description
1
ANT
Antenna port
12
TRX2
Ultra low-loss 3G WCDMA transmit/receive port 2.
This pin either connected directly to or is
disconnected from pin 1, depending on the
applied control data.
2
TRX7
3G WCDMA transmit/receive port 7. This pin either
connected directly to or is disconnected from pin 1,
depending on the applied control data.
13
TRX1
Ultra low-loss 3G WCDMA transmit/receive port 1.
This pin either connected directly to or is
disconnected from pin 1, depending on the
applied control data.
3
TRX6
3G WCDMA transmit/receive port 6. This pin either
connected directly to or is disconnected from pin 1,
depending on the applied control data.
14
TRX12
3G WCDMA transmit/receive port 12. This pin
either connected directly to or is disconnected
from pin 1, depending on the applied control data.
4
TRX5
3G WCDMA transmit/receive port 5. This pin either
connected directly to or is disconnected from pin 1,
depending on the applied control data.
15
TRX11
3G WCDMA transmit/receive port 11. This pin
either connected directly to or is disconnected
from pin 1, depending on the applied control data.
5
TRX4
3G WCDMA transmit/receive port 4. This pin either
connected directly to or is disconnected from pin 1,
depending on the applied control data.
16
TRX10
3G WCDMA transmit/receive port 10. This pin
either connected directly to or is disconnected
from pin 1, depending on the applied control data.
6
TRX3
Ultra low-loss 3G WCDMA transmit/receive port 3.
This pin either connected directly to or is
disconnected from pin 1, depending on the applied
control data.
17
TRX9
3G WCDMA transmit/receive port 9. This pin either
connected directly to or is disconnected from pin
1, depending on the applied control data.
7
MIPI_SELECT
MIPI interface select. When this pin is grounded, the
switch responds to any of the power mode triggers.
When this pin is left open, the switch is RFFE MIPI
compliant and responds to individual power mode
triggers.
18
TRX8
3G WCDMA transmit/receive port 8. This pin either
connected directly to or is disconnected from pin
1, depending on the applied control data.
8
VDD
DC power supply
19
GND
Ground
9
VIO
MIPI decoder enable/reference voltage
20
TXHB
GSM transmit high band. This pin either
connected directly to or is disconnected from pin
1, depending on the applied control data.
10
SDATA
Data input/output
21
TXLB
GSM transmit low band. This pin either connected
directly to or is disconnected from pin 1,
depending on the applied control data.
11
SCLK
Clock signal
22
GND
Ground
Note:
Bottom ground paddles must be connected to ground.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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March 12, 2014 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 202835D
DATA SHEET • SKY13491-21 SP14T ANTENNA SWITCH WITH MIPI INTERFACE
Table 2. SKY13491-21 Absolute Maximum Ratings
Parameter
Supply voltage
Symbol
VDD
Minimum
Maximum
Units
2.5
6.0
V
MIPI decoder enable/reference voltage
VIO
2
V
Clock signal voltage
SCLK
VIO
V
Data signal voltage
SDATA
VIO
V
RF input power:
LTX pin
HTX pin
All TRXx pins
PIN
+36
+34
+31
dBm
dBm
dBm
Storage temperature
TSTG
–55
+150
C
Operating temperature
TOP
–30
+90
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. 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 SKY13491-21 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,
fFUND, is sequentially applied to the TRX1 through TRX12 ports,
while a –15 dBm CW blocker signal, fBLK, is applied to the ANT
port.
Table 8 shows the isolation matrix for "Ant" to "Off" arms. Table
9 shows the isolation matrix for "On" Arms 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
register parameters and bit values.
The resulting 3rd Order Intermodulation Distortion (IMD3), fRX, is
measured over all phases of fFUND. The SKY13491-21 exhibits
exceptional performance for all TRXx ports.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
202835D • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • March 12, 2014
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DATA SHEET • SKY13491-21 SP14T ANTENNA SWITCH WITH MIPI INTERFACE
Table 3. SKY13491-21 DC Electrical Specifications (Note 1)
(VDD = 2.85 V, TOP = +25 C, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Parameter
Symbol
Supply voltage
VDD
Supply current, active mode
IDD
Interface supply voltage
VIO
Interface signal:
High
Low
SDATA
Test Condition
Min
Typical
Max
2.50
2.85
6.00
V
50
100
μA
1.80
1.95
V
0.2 × VIO
V
V
5
5
μA
μA
Max
Units
2.7
GHz
1.65
0.8 × VIO
Control current:
High
Low
Units
Note 1: Performance is guaranteed only under the conditions listed in this Table.
Table 4. SKY13491-21 RF Electrical Specifications (Note 1) (1 of 2)
(VDD = 2.85 V, TOP = +25 C, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Parameter
Symbol
Operating frequency
f
Insertion loss
IL
Test Condition
Min
Typical
0.7
TXLB, 824 to 915 MHz
1.25
1.45
dB
TXHB, 1710 to 1910 MHz
1.25
1.45
dB
TRX1 to TRX12 ports:
700 to 824 MHz
824 to 960 MHz
1710 to 1990 MHz
0.70
0.70
0.75
0.80
0.80
1.00
dB
dB
dB
TRX4 to TRX12 ports
(except TRX7):
2110 to 2170 MHz
2300 to 2690 MHz
0.80
1.05
1.05
1.25
dB
dB
TRX1/2/3 ports:
2110 to 2170 MHz
2300 to 2690 MHz
0.70
0.90
1.00
1.05
dB
dB
TRX7 port:
824 to 960 MHz
1710 to 1990 MHz
2110 to 2170 MHz
2300 to 2690 MHz
0.80
0.85
0.90
1.15
0.90
1.15
1.30
1.30
dB
dB
dB
dB
GSM LB TX:
2f0 attenuation
3f0 attenuation
4f0 attenuation
H2LB
H3LB
H4LB
2f0 attenuation 1830 MHz
3f0 attenuation 2745 MHz
4f0 attenuation 3660 MHz
23
23
28
28
25
dB
dB
dB
GSM HB TX:
2f0 attenuation
3f0 attenuation
H2HB
H3HB
2f0 attenuation 3820 MHz
3f0 attenuation 5730 MHz
21
15
28
28
dB
dB
824 to 1910 MHz
1910 to 2690 MHz
23
20
28
23
dB
dB
824 to 1910 MHz
1910 to 2690 MHz
19
16
23
20
dB
dB
14
dB
Isolation (TRXx to any off TRXx port
[non-adjacent ports])
(See Table 8 for full matrix)
Iso
Isolation (TRXx to any off TRXx port
[adjacent ports])
(See Table 8 for full matrix)
Iso
On state match
Return Loss
0.7 to 2.7 GHz
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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March 12, 2014 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 202835D
DATA SHEET • SKY13491-21 SP14T ANTENNA SWITCH WITH MIPI INTERFACE
Table 4. SKY13491-21 RF Electrical Specifications (Note 1) (2 of 2)
(VDD = 2.85 V, TOP = +25 C, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Parameter
Symbol
Test Condition
Min
Typical
Max
Units
PIN = +33 dBm, 50 Ω
PIN = +33 dBm, 3:1 VSWR
–45
–36
–38
dBm
dBm
PIN = +35 dBm, 50 Ω
PIN = +35 dBm, 3:1 VSWR
–45
–36
–40
dBm
dBm
PIN = +25 dBm, 50 Ω,
f = 704 to 2700 MHz
–63
–59
dBm
–40
dBm
–81
–78
dBm
2fo, 3fo
GSM harmonics:
High band
Low band
TRXx harmonics
2fo, 3fo
PIN = +25 dBm,
5:1 VSWR,
f = 704 to 2700 MHz
TRX1 through TRX10, band 13 2
harmonics
nd
nd
2fo
PIN = +25 dBm,
f = 787 MHz
2 Order Intermodulation Distortion
IMD2
See test conditions in
Table 5
–110
–105
dBm
3rd Order Intermodulation Distortion
IMD3
See test conditions in
Table 6
–110
–105
dBm
Triple Beat Ratio:
650 to 900 MHz
1710 to 2155 MHz
TBR
See test conditions in
Table 7
Turn-on time (See Figure 3)
tON
From application of VDD
and VIO
Switching speed (See Figure 3)
tS
Port to port
dBc
dBc
+81
+81
2
20
μs
5
μs
Note 1: Performance is guaranteed only under the conditions listed in this Table.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • SKY13491-21 SP14T ANTENNA SWITCH WITH MIPI INTERFACE
Table 5. IMD2 Test Conditions
Power Blocker
(dBm)
Receive Frequency
(MHz)
Frequency Blocker,
Low
(MHz)
Frequency Blocker,
High
(MHz)
190
4090
2140.0
1880.0
80
3840
1960.0
1732.0
400
3864
Band
Transmit
Frequency
(MHz)
1
1950.0
2
4
Transmit Power
(dBm)
+20
2132.0
–15
5
836.5
45
1718
881.5
7
2535.0
120
5187
2655.0
8
897.0
45
1839
942.0
Table 6. IMD3 Test Conditions
Band
Transmit Frequency
(MHz)
Transmit Power
(dBm)
1
1950.0
1760.0
2140.0
2
1880.0
1800.0
1960.0
4
1732.0
1332.0
5
836.5
791.5
881.5
7
2535.0
2415.0
2655.0
8
897.0
852.0
942.0
+20
Frequency Blocker
(MHz)
Power Blocker
(dBm)
Receive Frequency
(MHz)
2132.0
–15
Table 7. Triple Beat Ratio Test Conditions
Band
Transmit
Frequency 1
(MHz)
2
1880.0
5
836.5
Transmit Power 1
(dBm)
+21.5
Transmit
Frequency 2
(MHz)
1881.0
837.5
Transmit Power 2
(dBm)
+21.5
Frequency
Blocker @ ANT
(MHz)
1960.0
Power
Blocker
(dBm)
–30
881.5
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TBR Product
Frequency
(MHz)
1960.0 ± 1
881.5 ± 1
DATA SHEET • SKY13491-21 SP14T ANTENNA SWITCH WITH MIPI INTERFACE
VDD (V)
VDD
Final VDD
50% of final VDD
Time (μs)
Rising edge of last clock
signal that sets the switch
into the desired state
VIO
VIO (V) – Interface Supply
SCLK (V) – Interface Signal
SCLK
Time (μs)
POUT (dBm)
POUT
90% of POUT
Time (μs)
Switching Time
tsw < 5 μs
Switching Time (tSW) is measured from the
rising edge of the last clock signal to 90% of RF power.
Turn-on Time (tON) is measured from 50%
of final VDD supply voltage to 90% of RF power.
Turn-on Time
tON ~ 20 μs
Y0113
Figure 3. SKY13491-21. Timing Diagram
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
202835D • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • March 12, 2014
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DATA SHEET • SKY13491-21 SP14T ANTENNA SWITCH WITH MIPI INTERFACE
Table 8. SKY13491-21: Isolation Matrix: Isolation “On” Arms to “Off” Arms (1 of 2)
Isolation (dB)
TXHB
TRX1
TRX2
TRX3
TRX4
TRX5
TRX6
TRX7
TRX8
TRX9
TRX10
TRX11
TRX12
TXLB
ON_Throw
0.915
freq_GHz
TXLB
–32
–52
–49
–48
–44
–42
–43
–42
–45
–47
–50
–50
–51
TXLB
1.91
–26
–49
–49
–43
–42
–46
–41
–39
–36
–38
–42
–44
–47
TXLB
2.69
–17
–45
–44
–42
–40
–41
–37
–35
–32
–34
–38
–40
–43
TXHB
0.915
–37
–47
–45
–52
–53
–53
–49
–46
–37
–41
–43
–53
–49
TXHB
1.91
–23
–40
–37
–44
–44
–44
–41
–38
–32
–35
–37
–55
–46
TXHB
2.69
–17
–49
–43
–53
–53
–52
–46
–52
–33
–35
–40
–34
–42
TRX1
0.915
–35
–50
–27
–50
–52
–54
–53
–48
–52
–49
–45
–43
–34
TRX1
1.91
–34
–33
–20
–41
–42
–42
–43
–38
–41
–40
–38
–35
–27
TRX1
2.69
–28
–29
–17
–37
–38
–38
–38
–34
–36
–36
–34
–31
–24
TRX2
0.915
–36
–55
–35
–48
–51
–53
–53
–48
–53
–51
–47
–45
–38
TRX2
1.91
–34
–35
–27
–39
–41
–41
–42
–37
–41
–42
–39
–37
–31
TRX2
2.69
–28
–30
–24
–36
–37
–37
–37
–34
–36
–37
–35
–33
–27
TRX3
0.915
–33
–56
–51
–48
–28
–36
–43
–43
–55
–59
–58
–56
–54
TRX3
1.91
–31
–35
–45
–43
–23
–30
–35
–34
–43
–47
–47
–45
–46
TRX3
2.69
–27
–31
–39
–35
–20
–27
–32
–31
–37
–41
–41
–40
–40
TRX4
0.915
–32
–52
–52
–49
–35
–29
–38
–41
–55
–59
–58
–55
–54
TRX4
1.91
–31
–36
–44
–41
–28
–23
–31
–32
–43
–47
–47
–45
–45
TRX4
2.69
–27
–31
–39
–34
–25
–20
–28
–29
–37
–41
–41
–39
–40
TRX5
0.915
–33
–48
–52
–49
–42
–35
–29
–35
–55
–58
–57
–54
–54
TRX5
1.91
–32
–35
–44
–40
–35
–28
–22
–28
–43
–46
–46
–44
–44
TRX5
2.69
–28
–32
–39
–35
–32
–25
–19
–24
–37
–41
–41
–39
–40
TRX6
0.915
–34
–46
–52
–49
–45
–41
–34
–30
–54
–56
–55
–53
–53
TRX6
1.91
–34
–35
–43
–40
–38
–34
–27
–23
–42
–45
–45
–43
–44
TRX6
2.69
–29
–34
–39
–34
–34
–31
–24
–19
–36
–40
–40
–38
–39
TRX7
0.915
–35
–44
–51
–49
–47
–45
–39
–36
–52
–54
–53
–52
–52
TRX7
1.91
–39
–36
–42
–39
–39
–37
–31
–28
–41
–43
–43
–42
–42
TRX7
2.69
–30
–36
–38
–34
–35
–33
–28
–25
–35
–38
–39
–37
–38
TRX8
0.915
–35
–42
–46
–46
–53
–54
–56
–52
–48
–30
–35
–38
–43
TRX8
1.91
–46
–36
–38
–36
–43
–44
–44
–43
–38
–24
–28
–31
–37
TRX8
2.69
–32
–34
–35
–32
–39
–39
–40
–38
–34
–20
–25
–27
–33
TRX9
0.915
–35
–44
–44
–44
–53
–55
–56
–52
–49
–37
–28
–35
–41
TRX9
1.91
–41
–37
–37
–35
–43
–44
–44
–43
–38
–29
–22
–28
–35
TRX9
2.69
–31
–45
–33
–31
–39
–39
–40
–38
–34
–25
–19
–25
–31
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • SKY13491-21 SP14T ANTENNA SWITCH WITH MIPI INTERFACE
Table 8. SKY13491-21: Isolation Matrix: Isolation “On” Arms to “Off” Arms (2 of 2)
Isolation (dB)
freq_GHz
TXLB
TXHB
TRX1
TRX2
TRX3
TRX4
TRX5
TRX6
TRX7
TRX8
TRX9
TRX11
TRX12
TRX10
ON_Throw
0.915
–35
–45
–41
–43
–53
–55
–56
–52
–49
–40
–33
TRX10
–29
–37
TRX10
1.91
–37
–34
–35
–34
–43
–44
–44
–43
–38
–32
–27
–23
–31
TRX10
2.69
–31
–33
–32
–31
–39
–39
–39
–38
–34
–28
–24
–20
–28
TRX11
0.915
–35
–46
–37
–40
–53
–55
–55
–52
–49
–42
–39
–34
–30
TRX11
1.91
–35
–32
–31
–32
–43
–44
–44
–43
–38
–33
–31
–28
–24
TRX11
2.69
–29
–30
–28
–29
–39
–39
–39
–38
–34
–29
–28
–25
–21
TRX12
0.915
–35
–47
–28
–33
–51
–53
–55
–52
–49
–51
–46
–42
–37
TRX12
1.91
–35
–33
–22
–25
–42
–43
–43
–43
–38
–40
–38
–35
–30
TRX12
2.69
–29
–29
–19
–21
–38
–39
–39
–38
–34
–35
–34
–32
–26
Table 9. SKY13491-21 Isolation Matrix: Isolation "Ant" to "Off" Arms (1 of 2)
(VDD = 2.85 V, TOP=+25 °C, Characteristic Impedance [Z0] = 50 Ω, Unless Otherwise Noted)
Isolation (dB)
ON_Throw
freq_GHz
TXLB
TXHB
TRX1
TRX2
TRX3
TRX4
TRX5
TRX6
TRX7
TRX8
TRX9
TRX10
TRX11
TRX12
ANT
0.915
–33
–47
–46
–40
–39
–40
–38
–35
–41
–43
–45
–46
–47
ANT
1.91
–43
–51
–50
–45
–41
–34
–32
–33
–42
–44
–47
–49
–50
ANT
2.69
–35
–46
–41
–43
–39
–33
–31
–33
–41
–43
–45
–45
–46
ANT
0.915
–44
–49
–46
–46
–45
–43
–41
–39
–42
–45
–47
–44
–47
ANT
1.91
–24
–40
–37
–39
–38
–36
–34
–32
–31
–34
–37
–36
–39
ANT
2.69
–21
–38
–34
–37
–35
–33
–31
–33
–28
–32
–34
–38
–40
ANT
0.915
–38
–35
–33
–49
–46
–45
–42
–40
–46
–50
–53
–49
–43
ANT
1.91
–33
–31
–26
–40
–39
–38
–36
–33
–38
–41
–42
–38
–31
ANT
2.69
–28
–31
–21
–37
–36
–36
–33
–30
–34
–37
–37
–34
–27
ANT
0.915
–37
–34
–43
–50
–47
–46
–43
–40
–46
–49
–52
–50
–45
ANT
1.91
–33
–30
–32
–41
–39
–39
–36
–33
–38
–41
–42
–39
–34
ANT
2.69
–28
–34
–27
–37
–36
–36
–33
–29
–34
–37
–38
–34
–29
ANT
0.915
–37
–36
–50
–48
–34
–41
–47
–41
–45
–46
–47
–47
–48
ANT
1.91
–31
–32
–39
–35
–29
–35
–37
–32
–38
–39
–40
–39
–40
ANT
2.69
–27
–37
–36
–32
–24
–30
–32
–28
–34
–36
–37
–36
–36
ANT
0.915
–36
–36
–49
–48
–44
–33
–43
–42
–45
–46
–47
–47
–48
ANT
1.91
–31
–33
–40
–36
–32
–28
–35
–32
–38
–39
–40
–39
–40
ANT
2.69
–27
–38
–36
–32
–28
–23
–30
–27
–34
–36
–37
–36
–37
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DATA SHEET • SKY13491-21 SP14T ANTENNA SWITCH WITH MIPI INTERFACE
Table 9. SKY13491-21 Isolation Matrix: Isolation "Ant" to "Off" Arms (2 of 2)
(VDD = 2.85 V, TOP=+25 °C, Characteristic Impedance [Z0] = 50 Ω, Unless Otherwise Noted)
Isolation (dB)
ON_Throw
freq_GHz
TXLB
TXHB
TRX1
TRX2
TRX3
TRX4
ANT
0.915
–38
–37
–49
–48
–50
ANT
1.91
–32
–33
–41
–37
ANT
2.69
–27
–41
–37
ANT
0.915
–39
–38
ANT
1.91
–33
ANT
2.69
ANT
0.915
ANT
1.91
ANT
TRX5
TRX6
TRX7
TRX8
TRX9
TRX10
TRX11
TRX12
–43
–35
–40
–45
–46
–47
–47
–49
–39
–34
–29
–30
–38
–40
–40
–40
–41
–33
–35
–29
–24
–25
–34
–36
–37
–36
–37
–50
–48
–52
–50
–44
–37
–46
–47
–48
–48
–49
–34
–41
–38
–40
–39
–32
–28
–38
–40
–41
–40
–41
–27
–45
–37
–33
–36
–34
–28
–23
–34
–36
–37
–36
–37
–42
–39
–50
–48
–50
–50
–45
–42
–47
–48
–49
–49
–50
–36
–34
–41
–38
–40
–39
–34
–31
–38
–40
–41
–40
–41
2.69
–28
–45
–37
–33
–36
–35
–30
–27
–33
–36
–37
–36
–37
ANT
0.915
–41
–34
–55
–50
–47
–45
–44
–42
–40
–37
–46
–48
–54
ANT
1.91
–36
–29
–43
–39
–40
–38
–37
–35
–33
–31
–36
–36
–43
ANT
2.69
–28
–27
–38
–33
–36
–35
–34
–32
–30
–26
–31
–31
–38
ANT
0.915
–40
–36
–53
–50
–47
–45
–43
–41
–40
–41
–34
–45
–49
ANT
1.91
–36
–32
–43
–40
–40
–38
–37
–35
–33
–30
–29
–36
–42
ANT
2.69
–28
–37
–38
–34
–36
–35
–34
–32
–30
–26
–30
–37
ANT
0.915
–39
–36
–49
–49
–47
–45
–43
–41
–40
–43
–44
–36
–43
ANT
1.91
–35
–33
–42
–39
–40
–38
–37
–35
–33
–33
–33
–30
–38
ANT
2.69
–28
–40
–37
–33
–36
–35
–34
–32
–30
–28
–28
–26
–34
ANT
0.915
–39
–35
–42
–46
–47
–45
–44
–42
–40
–42
–46
–46
–34
ANT
1.91
–34
–32
–37
–38
–40
–38
–37
–35
–33
–33
–35
–33
–29
ANT
2.69
–28
–35
–32
–32
–36
–35
–35
–33
–30
–28
–31
–29
–25
ANT
0.915
–38
–35
–34
–40
–48
–46
–44
–42
–40
–46
–52
–50
–45
ANT
1.91
–33
–32
–29
–30
–40
–39
–38
–36
–33
–38
–41
–40
–34
ANT
2.69
–28
–31
–24
–24
–37
–36
–35
–33
–30
–34
–36
–36
–30
–25
Table 10. SKY13491-21: Insertion loss and Return loss Matrix (1 of 2)
(VDD = 2.85 V, TOP=+25 °C, Characteristic Impedance [Z0]=50 Ω, Unless Otherwise Noted)
IL (dB)
RL_pole (dB)
RL_throw (dB)
TXLB
ON_Throw
0.915
freq_GHz
–1.3
–15.6
–18.5
TXLB
1.91
–25.4
–1.5
-0.2
TXLB
2.69
–28.9
–2.2
-0.5
TXHB
0.915
-0.8
–25.2
–18.4
TXHB
1.91
–1.3
–15.6
–16.1
TXHB
2.69
-8.1
–3.6
–2.0
TRX1
0.915
-0.6
–25.5
–22.7
TRX1
1.91
-0.8
–20.1
–23.6
TRX1
2.69
-0.9
–28.0
–19.6
TRX2
0.915
-0.6
–23.2
–21.4
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DATA SHEET • SKY13491-21 SP14T ANTENNA SWITCH WITH MIPI INTERFACE
Table 10. SKY13491-21: Insertion loss and Return loss Matrix (2 of 2)
(VDD = 2.85 V, TOP=+25 °C, Characteristic Impedance [Z0]=50 Ω, Unless Otherwise Noted)
ON_Throw
freq_GHz
IL (dB)
RL_pole (dB)
RL_throw (dB)
TRX2
1.91
–0.7
–22.7
–28.7
TRX2
2.69
–0.9
–25.4
–19.8
TRX3
0.915
–0.6
–23.1
–21.7
TRX3
1.91
–0.7
–21.5
–24.9
TRX3
2.69
–0.9
–26.0
–18.8
TRX4
0.915
–0.6
–24.2
–23.5
TRX4
1.91
–0.7
–19.7
–22.5
TRX4
2.69
–0.9
–33.2
–21.2
TRX5
0.915
–0.5
–27.3
–27.7
TRX5
1.91
–0.8
–17.4
–20.1
TRX5
2.69
–0.9
–25.2
–27.8
TRX6
0.915
–0.5
–27.7
–29.3
TRX6
1.91
–0.8
–15.4
–17.2
TRX6
2.69
–0.9
–19.3
–22.3
TRX7
0.915
–0.6
–27.5
–27.3
TRX7
1.91
–0.9
–13.4
–14.9
TRX7
2.69
–1.1
–14.1
–15.7
TRX8
0.915
–0.6
–30.5
–25.5
TRX8
1.91
–0.8
–16.4
–18.8
TRX8
2.69
–0.9
–22.8
–22.9
TRX9
0.915
–0.6
–29.8
–25.7
TRX9
1.91
–0.8
–16.6
–18.9
TRX9
2.69
–0.9
–24.6
–23.0
TRX10
0.915
–0.6
–28.7
–26.1
TRX10
1.91
–0.8
–16.8
–18.9
TRX10
2.69
–0.9
–24.3
–22.1
TRX11
0.915
–0.6
–28.1
–25.9
TRX11
1.91
–0.8
–17.9
–20.8
TRX11
2.69
–0.9
–28.5
–23.7
TRX12
0.915
–0.6
–25.5
–23.5
TRX12
1.91
–0.8
–19.0
–22.2
TRX12
2.69
–0.9
–31.1
–22.2
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DATA SHEET • SKY13491-21 SP14T ANTENNA SWITCH WITH MIPI INTERFACE
fBLK
1760 MHz,
–15 dBm
fFUND
1950 MHz,
+20 dBm
fRX
2140 MHz,
Measure Tone
Circulator
Signal Generator
fFUND = 1950 MHz,
+20 dBm
Coupler to Monitor
Input Power
1950 MHz
Bandpass Filter
Circulator
Duplexer
Phase Shifter
SKY13491
fFUND = +20 dBm
fBLK = –15 dBm
Signal Generator
fBLK = 1760 MHz,
–15 dBm
1760 MHz
Bandpass Filter
Spectrum Analyzer
fRX = 2140 MHz
S3446
rd
Figure 4. 3 Order Intermodulation Test Setup
Table 11. Command Sequence Bit Definitions
Extended Operation
Type
SSC
C11C8
C7
C6-C5
C4
C3-C0
Parity
Bits
BPC
DA7(1)DA0(1)
Parity
Bits
BPC
DA7(n)DA0(n)
Parity
Bits
BPC
Reg0
Write
Y
SA[3:0]
1
Data[6:5]
Data[4]
Data{3:0]
Y
Y
–
–
–
–
–
–
Reg
Write
Y
SA[3:0]
0
10
Addr[4]
Addr[3:0]
Y
–
Data[7:0]
–
–
–
Y
Y
Reg
Read
Y
SA[3:0]
0
11
Addr[4]
Addr[3:0]
Y
Y
Data[7:0]
–
–
–
Y
Y
Legend:
SSC = Sequence start command
C = Command frame bits
DA = Data/address frame bits
BPC = Bus park cycle
BC = Byte count (# of consecutive addresses)
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DATA SHEET • SKY13491-21 SP14T ANTENNA SWITCH WITH MIPI INTERFACE
SCLK
SDATA
SA3
SA2
SA1
0
SA0
SSC
1
0
A4
A3
A2
A1
A0
P
Example Register Write Command Frame
SCLK
P
SDATA
D7
D6
D5
D4
D3
D2
D1
P
D0
Example Data Frame
0
Bus
Park
Signal Driven by Master
Signal Not Driven; Pull-Down Only
For Reference Only
S3101
Figure 5. Register Write Command Timing Diagram
SCLK
SDATA
SA3
SA2
SA1
0
SA0
1
1
A4
A3
A2
A1
A0
P
Example Register Read Command Frame
SSC
SCLK
SDATA
P
0
D7
Bus
Park
D6
D5
D4
D3
D2
D1
Example Data Frame
D0
P
0
Bus
Park
Signal Driven by Master
Signal Not Driven; Pull-Down Only
Signal Driven by Slave
For Reference Only
S3102
Figure 6. Register Read Command Timing Diagram
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DATA SHEET • SKY13491-21 SP14T ANTENNA SWITCH WITH MIPI INTERFACE
Table 12. Register_0 Truth Table
Register_0 Bits
Antenna Path
Bit[7]
Bit[6]
Bit[5]
Bit[4]
Bit[3]
Bit[2]
Bit[1]
Bit[0]
Sleep mode (standby)
X
0
0
0
0
0
0
0
2G transmit low band
X
0
0
0
1
0
1
0
2G transmit high band
X
0
0
0
1
0
0
0
TRX1
X
0
0
0
0
1
0
0
TRX2
X
0
0
0
0
1
0
1
TRX3
X
0
0
0
0
1
1
0
TRX4
X
0
0
0
0
1
1
1
TRX5
X
0
0
0
1
0
0
1
TRX6
X
0
0
0
1
0
1
1
TRX7
X
0
0
0
1
1
0
0
TRX8
X
0
0
0
0
0
0
1
TRX9
X
0
0
0
0
0
1
0
TRX10
X
0
0
0
0
0
1
1
TRX11
X
0
0
0
1
1
0
1
TRX12
X
0
0
0
1
1
1
0
Isolation mode (warm-up)
X
1
1
1
1
1
1
1
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DATA SHEET • SKY13491-21 SP14T ANTENNA SWITCH WITH MIPI INTERFACE
Table 13. Register Description and Programming (1 of 2)
Register
Name
Address
(Hex)
Register_0
0000
Parameter
Default
(Binary)
Description
MODE_CTRL
Bits[7:0]:
SOFTWARE RESET
Bit[7]:
–
Switch control. See Table 8 for logic
0
Resets all data to default values except for USID, GSID, or the
contents of the PM_TRIG Register.
0 = Normal operation
1 = Software reset
COMMAND_FRAME_PARITY_ERR
Bit[6]:
0
Command sequence received with parity error – discard command.
COMMAND_LENGTH_ERR
Bit[5]:
0
Command length error.
ADDRESS_FRAME_PARITY_ERR
RFFE_STATUS
001A
Bit[4]:
0
Address frame parity error = 1.
DATA_FRAME_PARITY_ERR
Bit[3]:
READ_UNUSED_REG
Bit[2]:
WRITE_UNUSED_REG
Bit[1]:
BID_GID_ERR
Bit[0]:
0
Data frame with parity error.
0
Read command to an invalid address.
0
Write command to an invalid address.
0
Read command with a BROADCAST_ID (refer to the MIPI Alliance
Specification) or GSID.
Reserved
GROUP_SID
001B
GSID
Bits[7:4]: Reserved
0000
Bits[3:0]:
0000
Group slave ID
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DATA SHEET • SKY13491-21 SP14T ANTENNA SWITCH WITH MIPI INTERFACE
Table 13. Register Description and Programming (2 of 2)
Register
Parameter
Address
(Hex)
Name
PWR_MODE
Default
(Binary)
Description
Bits[7:6]:
01
00 = Normal operation (active)
01 = Default settings (startup)
10 = Low power (low power)
11 = Reserved
Trigger_Mask_2
Bit[5]:
0
If this bit is set, trigger 2 is disabled. When all triggers are disabled, if
writing to a register that is associated with trigger 2, the data goes
directly to the destination register.
Trigger_Mask_1
PM_TRIG
(Note 1)
Bit[4]:
0
If this bit is set, trigger 1 is disabled. When all triggers are disabled, if
writing to a register that is associated with trigger 1, the data goes
directly to the destination register.
001C
Trigger_Mask_0
Bit[3]:
0
If this bit is set, trigger 0 is disabled. When all triggers are disabled, if
writing to a register that is associated with trigger 0, the data goes
directly to the destination register.
Trigger_2
Bit[2]:
Trigger_1
Bit[1]:
0
If this bit is set, data is loaded into the trigger 2 registers.
0
If this bit is set, data is loaded into the trigger 1 registers
(unsupported).
Trigger_0
Bit[0]:
0
If this bit is set, data is loaded into the trigger 0 registers
(unsupported).
PRODUCT_ID
001D
PRODUCT_ID
Bits[7:0]:
01011101
This is a read-only register. However, during the programming of the
Unique Slave Identifier (USID), a write command sequence is
performed on this register but the value is not changed.
MANUFACTURER_ID
001E
MANUFACTURER_ID
Bits[7:0]:
10100101
Read-only register
Reserved
Bits[7:6]:
00
Reserved
MAN_USID
001F
MANUFACTURER_ID
Bits[5:4]:
01
Read-only register
USID
Bits[3:0]:
1011
Programmable USID. A write to these bits programs the USID.
Note 1: Unlike the complete independence between triggers 0, 1, and 2, and also between the associated trigger masks 0, 1, and 2, respectively (as described in the MIPI RFFE Specification),
when pin 7 is grounded, this device uses additional interactions between the provided trigger functions.
The delayed application of updated data to all triggerable registers in this device may be accomplished using any of the three triggers (0, 1, or 2), provided that the particular trigger
used is not currently masked off. If multiple triggers are enabled, any or all of those are sufficient to cause the data to be transferred from shadow registers to destination registers for
all triggerable registers in the device.
It is also necessary to disable all three triggers (i.e., set all three trigger masks) to ensure that data written to any triggerable register will immediately be written to the destination
register at the conclusion of the RFFE command sequence where the data is written.
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DATA SHEET • SKY13491-21 SP14T ANTENNA SWITCH WITH MIPI INTERFACE
Evaluation Board Description
Package and Handling Information
The SKY13491-21 Evaluation Board is used to test the
performance of the SKY13491-21 SP14T Switch. An Evaluation
Board schematic diagram is provided in Figure 7. A
recommended ESD protection circuit diagram is provided in
Figure 8. An assembly drawing for the Evaluation Board is shown
in Figure 9.
Since the device package is sensitive to moisture absorption, it is
baked and vacuum packed before shipping. 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.
Package Dimensions
The SKY13491-21 is rated to Moisture Sensitivity Level 3 (MSL3)
at 260 C. It can be used for lead or lead-free soldering. For
additional information, refer to the Skyworks Application Note,
PCB Design and SMT Assembly/Rework Guidelines for MCM-L
Packages, document number 101752.
The PCB layout footprint for the SKY13491-21 is provided in
Figure 10. Typical case markings are shown in Figure 11.
Package dimensions for the 22-pin MCM 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.
RFC15
RFC14
RFC4
RFC3
GND
TXHB
TRX8
TRX7
TRX9
18
17
TRX10
4 TRX5
TRX11
5 TRX4
TRX12 14
6 TRX3
TRX1 13
VDD
7 MIPI_
SELECT
8
9
10
TRX2
RFC8
RFC9
16
3 TRX6
SCLIK
RFC5
19
SDATA
RFC6
ANT
20
VIO
RFC7
2
GND
1
RFC13
21
TXLB
22
Pad
15
12
RFC10
RFC11
RFC12
RFC1
RFC2
11
C2
DNP
2
1
GND
3
SCLK
4
SDATA
5
VIO
MIPI_SEL
6
VDD
C1
DNP
Y0683
DCH1 Header
Figure 7. SKY13491-21 Evaluation Board Schematic
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DATA SHEET • SKY13491-21 SP14T ANTENNA SWITCH WITH MIPI INTERFACE
4.7 pF
To Application
Antenna
To SKY13491
Antenna (Pin 1)
18 nH
18 nH
ESD Circuit 1
12 pF
To Application
Antenna
To SKY13491
Antenna (Pin 1)
8.2 nH
ESD Circuit 2
S3447
Figure 8. SKY13491-21 Recommended ESD Protection Circuits
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DATA SHEET • SKY13491-21 SP14T ANTENNA SWITCH WITH MIPI INTERFACE
Y0684
Figure 9. SKY13491-21 Evaluation Board Assembly Diagram
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19
DATA SHEET • SKY13491-21 SP14T ANTENNA SWITCH WITH MIPI INTERFACE
Stencil aperture size for
center ground pad should
be 80% to 100% (by area)
of the solder mask opening
12X 0.5
14X 0.5
18X 0.2
2X 0.45
2.8
0.4 Pitch
Pin 22
Package Outline
Pin 1
2X 0.65
3.2
Pin 1 Indicator
0.30 X 45°
Stencil Aperture
Top View
Thermal via array ø0.3 mm on
0.6 mm pitch will improve
thermal performance.
NOTE: thermal vias should be resinfilled and capped according to
IPC-4761 Type VII vias. 30-35 μm
Cu thickness recommended.
0.25 Typ.
9X 0.5
Opening size of
60 to 100%
of exposed center
opening shown
12X 0.6
14X 0.6
13X 0.5
16X 0.2
2.8
18X 0.3
2X 0.45
2.9
0.6 Pitch
0.4 Pitch
0.4 Pitch
Pin 22
Package Outline
Pin 1
Pin 22
Package Outline
Pin 1
0.6 Pitch
3.2
Metallization
Top View
2X 0.65
3.3
Pin 1 Indicator
0.30 X 45°
Solder Mask Opening
Top View
All dimensions are in millimeters
S3448
Figure 10. SKY13491-21 PCB Layout Footprint
(Top View)
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March 12, 2014 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 202835D
DATA SHEET • SKY13491-21 SP14T ANTENNA SWITCH WITH MIPI INTERFACE
Pin 1
Indicator
Skyworks Part Number
Lot Code
13491
Date Code:
YY = Calendar Year
WW = Week
XXXXX
YYWW
Y0682
Figure 11. Typical Part Markings
(Top View)
4X 0.8
C
4X 0.4
0.2 A B C
B
12X 1.35
Solder Mask Opening
2.9
14X 1.15
A
2.5
4X 0.2
Pin 22
B
A
Pin 1
Indicator
4X 0.6
0
22X SMT Pad
0.8 ± 0.1
Pin 1
Pin 1 Indicator
See Detail C
0
0.1 M A B C
0.1
0.15 A B C
Top View
Bottom View
Side View
0.25 ± 0.1
0.25 ± 0.1 Metal Pad Edge
Soldermask Edges
0.25 ± 0.05
(0.1)
0.3 ± 0.05
0.2 ± 0.05
0.3 X 0.3
Metal Pad Edge
(0.1)
(0.1)
5X R0.05 Max
Detail B
Detail A
Pad
Scale: 2X
1X This Rotation
1X Rotated 180°
1X Rotated 90° CW
1X Rotated 90° CCW
Pad
Scale: 2X
4X This Rotation
4X Rotated 180°
5X Rotated 90° CW
5X Rotated 90° CCW
1.3
Detail C
Full Scale
1X This Rotation
All measurements are in millimeters
Dimensioning and tolerancing according to ASME Y14.5M-1994
S3324
Figure 12. SKY13491-21 22-Pin MCM Package Dimensions
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • SKY13491-21 SP14T ANTENNA SWITCH WITH MIPI INTERFACE
∅1.50 + 0.10/–0
B
5° Max.
A
1.10 ± 0.05 (Ko)
B
A
B
Pin #1
Indicator
∅1.00 +0.25/–0
4.00 ± 0.10
Notes:
1. Carrier tape: black conductive polycarbonate.
2. Cover tape material: transparent conductive material.
3. 10 sprocket hole pitch cumulative tolerance: ±0.20 mm.
4. ESD surface resistivity meets GP01-D232.
5. Ao and Bo measured on plane 0.30 mm from bottom pocket.
6. All measurements are in millimeters.
2.75 ± 0.05 (Ao)
A
Figure 13. SKY13491-21 Tape and Reel Dimensions
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Y0021
8.00 +0.30/–0.10
1.75 ± 0.10
3.50 ± 0.05
0.25 ± 0.02
3.10 ± 0.05 (Bo)
4.00 ± 0.10
2.00 ± 0.05
DATA SHEET • SKY13491-21 SP14T ANTENNA SWITCH WITH MIPI INTERFACE
Ordering Information
Model Name
SKY13491-21 0.7 to 2.7 GHz SP14T Antenna Switch
with MIPI Interface
Manufacturing Part Number
SKY13491-21
Evaluation Board Part Number
SKY13491-21-EVB
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