201323H.pdf

DATA SHEET
SKY18108-11: 0.4-2.7 GHz SP9T Antenna Switch Module
Applications
• Dual-mode handsets (GSM/EDGE, Quad/TD-SCDMA or WCDMA
dual mode)
• Low-cost, small footprint FEMs
Features
• Supports quad-band GSM and TD-SCDMA or GSM and WCDMA
dual-mode for 2G and 3G systems
• Three TD/WCDMA ports are designed for 3G high power
transmit/receive operation
• Low insertion loss:
− 1.00 dB @ 1 and 2 GHz GSM transmit
− 0.80 dB @ 1 GHz GSM receive
− 1.05 dB @ 2 GHz GSM receive
− 0.69 dB @ 2 GHz TD/WCDMA transmit/receive
• Good 2nd/3rd harmonic performance:
− –64/–56 dBm @ PIN = +32 dBm (2G high-band transmit)
− –50/–58 dBm @ PIN = +35 dBm (2G low-band transmit)
• Supply voltage: 2.65 to 3.30 V
• State-of-the-art SOI process with GPIO logic
• Small MCM (20-pin, 3.2 x 2.5 mm) package (MSL3, 260 °C per
JEDEC J-STD-020)
Figure 1. SKY18108-11 Block Diagram
Description
The SKY18108-11 is a Single Pole, Nine-Throw (SP9T) antenna
switch Front-End Module (FEM) designed for dual-mode, high
power band switching applications that require low harmonics and
low insertion loss. The device is optimized for both GSM/EDGE and
TD/WCDMA systems.
The SKY18108-11 consists of an SP9T switch, GSM transmit
signal low-pass harmonic filters, and a GPIO controller. The low
current consumption makes this device very suitable for battery
operated applications.
The SKY18108-11 is manufactured in a compact,
3.2 x 2.5 mm, 20-pin 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.
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DATA SHEET • SKY18108-11 SP9T ANTENNA SWITCH MODULE
Figure 2. SKY18108-11 Pinout – 20-Pin MCM
(Top View)
Table 1. SKY18108-11 Signal Descriptions
Pin #
Name
Description
Pin #
Name
Description
1
CTRL1
Antenna switch control logic pin
11
GND
Ground
2
TD1/WCDMA1
RF input for TD1/WCDMA1
transmit/receive
12
GSM_RX1
RF output for GSM receive
3
TD2/WCDMA2
RF input for TD2/WCDMA2
transmit/receive
13
GSM_RX2
RF output for GSM receive
4
TD3/WCDMA3
RF input for TD3/WCDMA3
transmit/receive
14
GSM_RX3
RF output for GSM receive
5
GND
Ground
15
GSM_RX4
RF output for GSM receive
6
ANT
Antenna
16
GND
Ground
7
GND
Ground
17
VDD
Supply voltage
8
DCS1800/PCS1900_TX
RF input for DCS1800/PCS1900
transmit
18
CTRL4
Antenna switch control logic pin
9
GND
Ground
19
CTRL3
Antenna switch control logic pin
10
GSM850/EGSM900_TX
RF input for GSM850/EGSM900
transmit
20
CTRL2
Antenna switch control logic pin
Note:
Bottom ground paddle must be connected to ground.
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DATA SHEET • SKY18108-11 SP9T ANTENNA SWITCH MODULE
Table 2. SKY18108-11 Absolute Maximum Ratings (Note 1)
Parameter
Symbol
Minimum
Typical
Maximum
Units
Supply voltage
VDD
2.65
2.80
3.30
V
Control voltage
VCTRL
1.5
1.8
3.3
V
RF input power:
GSM850/EGSM900 transmit
DCS1800/PCS1900 transmit
TD/WCDMA transmit
All receive ports
PIN
+36 (Note 2)
+34 (Note 2)
+30
+13
dBm
dBm
dBm
dBm
Storage temperature
TSTG
–60
+150
°C
Operating temperature
TOP
–35
+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: 12.5% to 50% duty cycle.
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 SKY18108-11 SP9T Antenna Switch Module can operation in
one of nine states when the VDD signal is high. These states are
controlled by the CTRL1 to CTRL4 pin signals.
The absolute maximum ratings of the SKY18108-11 are provided
in Table 2. Electrical specifications are provided in Tables 3 and 4.
A plot of harmonic attenuation versus frequency is shown in
Figure 3 (GSM850/EGSM900) and in Figure 4
(DCS1800/PCS1900).
The state of the SKY18108-11 is determined by the logic shown in
Table 5.
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DATA SHEET • SKY18108-11 SP9T ANTENNA SWITCH MODULE
Table 3. SKY18108-11 General Electrical Specifications (Note 1) (1 of 2)
(VDD = 2.8 V, TOP = +25 °C, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Parameter
Symbol
Test Condition
(Note 2)
Min
Typical
Max
Units
0.95
1.03
1.20
1.30
dB
dB
1.0
1.1
1.2
1.3
dB
dB
0.80
0.91
1.10
1.30
dB
dB
1805 to 1990 MHz (NTC)
1805 to 1990 MHz (ETC)
1.05
1.17
1.30
1.50
dB
dB
Insertion Loss
GSM850/EGSM900_TX pin to ANT pin
IL
PIN = +36 dBm:
824 to 915 MHz (NTC)
824 to 915 MHz (ETC)
DCS1800/PCS1900_TX pin to ANT pin
IL
PIN = +34 dBm:
1710 to 1910 MHz (NTC)
1710 to 1910 (ETC)
ANT pin to GSM_RX1-4 pins
IL
PIN = +13 dBm:
869 to 960 MHz (NTC)
869 to 960 MHz (ETC)
PIN = +13 dBm:
TD1/WCDMA1 pin to ANT pin
IL
700 to 960 MHz (NTC)
700 to 960 MHz (ETC)
1710 to 1920 MHz (NTC)
1710 to 1920 MHz (ETC)
2010 to 2025 MHz (NTC)
2010 to 2025 MHz (ETC)
2110 to 2700 MHz (NTC)
2110 to 2700 MHz (ETC)
0.51
0.61
0.67
0.77
0.69
0.79
0.78
0.88
0.60
0.70
0.90
1.10
0.90
1.10
1.00
1.20
dB
dB
dB
dB
dB
dB
dB
dB
TD2/WCDMA2 and TD3/WCDMA3 pins to
ANT pin
IL
700 to 960 MHz (NTC)
700 to 960 MHz (ETC)
1710 to 1920 MHz (NTC)
1710 to 1920 MHz (ETC)
2010 to 2025 MHz (NTC)
2010 to 2025 MHz (ETC)
2110 to 2700 MHz (NTC)
2110 to 2700 MHz (ETC)
0.51
0.61
0.65
0.75
0.66
0.76
0.80
0.90
0.60
0.70
0.90
1.10
0.90
1.10
1.00
1.20
dB
dB
dB
dB
dB
dB
dB
dB
GSM850/EGSM900_TX pin to ANT pin
second and third harmonics
2fo, 3fo
1648 to 1698 MHz
1760 to 1830 MHz
2472 to 2547 MHz
2640 to 2745 MHz
25
25
25
25
30
30
28
32
dB
dB
dB
dB
DCS1800/PCS1900_TX pin to ANT pin
second and third harmonics
2fo, 3fo
3420 to 3820 MHz
5130 to 5730 MHz
25
25
28
28
dB
dB
GSM850/EGSM900_TX pin to GSM_RX1 pin
GSM850/EGSM900_TX pin to GSM_RX2 pin
GSM850/EGSM900_TX pin to GSM_RX3 pin
GSM850/EGSM900_TX pin to GSM_RX4 pin
Iso
824 to 915 MHz
30
30
30
30
46
52
54
63
dB
dB
dB
dB
GSM850/EGSM900_TX pin to ANT pin (GSM
receive mode)
Iso
824 to 915 MHz
20
30
dB
DCS1800/PCS1900_TX pin to GSM_RX1 pin
DCS1800/PCS1900_TX pin to GSM_RX2 pin
DCS1800/PCS1900_TX pin to GSM_RX3 pin
DCS1800/PCS1900_TX pin to GSM_RX4 pin
Iso
1710 to 1910 MHz
30
30
35
35
41
49
46
46
dB
dB
dB
dB
20
26
dB
Harmonic Attenuation
Isolation
DCS1800/PCS1900_TX pin to ANT pin (GSM
receive mode)
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DATA SHEET • SKY18108-11 SP9T ANTENNA SWITCH MODULE
Table 3. SKY18108-11 General Electrical Specifications (Note 1) (2 of 2)
(VDD = 2.8 V, TOP = +25 °C, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Parameter
Symbol
Test Condition
(Note 2)
Min
Typical
Max
Units
25
18
29
22
dB
dB
35
20
40
31
dB
dB
700 to 960 MHz
1880 to 2025 MHz
35
25
40
36
dB
dB
ANT pin to TD3/WCDMA3
pin on:
700 to 960 MHz
1880 to 2025 MHz
35
25
45
38
dB
dB
Isolation (continued)
TD1/WCDMA1 pin to TD2/WCDMA2 pin
Iso
700 to 960 MHz
1880 to 3000 MHz
TD1/WCDMA1 pin to TD3/WCDMA3 pin
Iso
ANT pin to TD1/WCDMA1
pin on:
700 to 960 MHz
1880 to 3000 MHz
TD1/WCDMA1 pin to ANT pin
TD1/WCDMA1 pin to ANT pin
Iso
Iso
ANT pin to TD2/WCDMA2
pin on:
Voltage Standing Wave Ratio (VSWR)
GSM850/EGSM900_TX pin to ANT pin
VSWR
824 to 915 MHz,
GSM850/EGSM900_TX
pin to ANT pin on
1.4:1
1.6:1
–
GSM850/EGSM900_TX pin to ANT pin
VSWR
1710 to 1910 MHz,
DCS1800/PCS1900_TX
pin to ANT pin on
1.4:1
1.6:1
–
GSM_RX1-4 pins
VSWR
869 to 960 MHz
1805 to 1990 MHz
1.2:1
1.4:1
1.6:1
1.6:1
–
–
TD1/WCDMA1 pin
VSWR
1880 to 1920 MHz
2010 to 2025 MHz
1.2:1
1.3:1
1.6:1
1.6:1
–
–
TD2/WCDMA2 pin
VSWR
1880 to 1920 MHz
2010 to 2025 MHz
1.2:1
1.3:1
1.6:1
1.6:1
–
TD3/WCDMA3 pin
VSWR
1880 to 1920 MHz
2010 to 2025 MHz
1.2:1
1.3:1
1.6:1
1.6:1
–
Operating Modes and Current Consumption
GSM850/EGSM900 transmit
ICC
25
50
μA
DCS1800/PCS1900 transmit
ICC
25
50
μA
TD/WCDMA transmit
ICC
25
50
μA
GSM receive
ICC
25
50
μA
TD/WCDMA receive
ICC
25
50
μA
Control current
ICTRL
1.5
20
μA
2.5
5.0
μs
Switching Time
Rise/fall
50% control to 90% RF
Note 1: Performance is guaranteed only under the conditions listed in this Table.
Note 2: NTC = Normal test conditions (TA = 25 °C, VDD = 2.8 V).
ETC = Extreme test conditions (TA = –35 °C to +85 °C, VDD = 2.65 to 3.30 V).
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DATA SHEET • SKY18108-11 SP9T ANTENNA SWITCH MODULE
Table 4. SKY18108-11 Large Signal Electrical Specifications (Note 1)
(VDD = 2.8 V, TOP = +25 °C, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Parameter
Symbol
Test Condition
Min
Typical
Max
Units
1648 to 1830 MHz,
PIN = +35 dBm
–50
–35
dBm
2472 to 2745 MHz,
PIN = +35 dBm
–58
–35
dBm
3420 to 3820 MHz,
PIN = +32 dBm
–64
–35
dBm
5130 to 5730 MHz,
PIN = +32 dBm
–55
–35
dBm
3760 to 4050 MHz,
PIN = +26 dBm
–58
–35
dBm
5640 to 6075 MHz,
PIN = +26 dBm
–64
–35
dBm
3760 to 4050 MHz,
PIN = +26 dBm
–64
–35
dBm
5640 to 6075 MHz,
PIN = +26 dBm
–69
–35
dBm
3760 to 4050 MHz,
PIN = +26 dBm
–63
–35
dBm
5640 to 6075 MHz,
PIN = +26 dBm
–69
–35
dBm
Harmonic Power
GSM850/EGSM900_TX pin to ANT pin
DCS1800/PCS1900_TX pin to ANT pin
TD1/WCDMA1 pin to ANT pin
TD2/WCDMA2 pin to ANT pin
TD3/WCDMA3 pin to ANT pin
Note 1: Performance is guaranteed only under the conditions listed in this Table.
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DATA SHEET • SKY18108-11 SP9T ANTENNA SWITCH MODULE
Figure 3. GSM850/EGSM900 Transmit Harmonic Attenuation vs Frequency
Figure 4. DCS1800/PCS1900 Transmit Harmonic Attenuation vs Frequency
Table 5. SKY18108-11 Control Logic (Note 1)
Pin/Mode
CTRL1
(Pin 1)
CTRL2
(Pin 20)
CTRL3
(Pin 19)
CTRL4
(Pin 18)
GSM850/EGSM900_TX
High
High
Low
Low
DCS1800/PCS1900_TX
High
Low
Low
Low
TD1/WCDMA1
High
Low
High
Low
TD2/WCDMA2
High
High
High
Low
TD3/WCDMA3 (Note 2)
X
X
X
High
GSM_RX1
Low
Low
Low
Low
GSM_RX2
Low
Low
High
Low
GSM_RX3
Low
High
High
Low
GSM_RX4
Low
High
Low
Low
Note 1: “High” = 1.8 V; “Low” = 0 V; “X X X” = Don’t Care (all combinations except for “High High High”). Any state other than that described in this Table places the switch into an undefined
state. An undefined state will not damage the device.
Note 2: The TD3/WCDMA3 state is enabled by any combination of logic except for “high, high, high, high.”
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DATA SHEET • SKY18108-11 SP9T ANTENNA SWITCH MODULE
Evaluation Board Description
Package and Handling Information
The SKY18108-11 Evaluation Board is used to test the
performance of the SKY18108-11 SP9T Antenna Switch Module.
An Evaluation Board schematic diagram is provided in Figure 5.
Component values for the SKY18108-11 Evaluation Board are
listed in Table 6. An assembly drawing for the Evaluation Board is
shown in Figure 6.
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
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.
The PCB layout footprint for the SKY18108-11 is provided in
Figure 7. Typical case markings are shown in Figure 8. Package
dimensions for the 20-pin MCM are shown in Figure 9, and tape
and reel dimensions are provided in Figure 10.
THE SKY18108-11 is rated to Moisture Sensitivity Level 1 (MSL1)
at 260 °C. It can be used for lead or lead-free soldering.
Figure 5. SKY18108-11 Evaluation Board Schematic
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DATA SHEET • SKY18108-11 SP9T ANTENNA SWITCH MODULE
Table 6. SKY18108-11 Evaluation Board Bill of Materials
Component
Value
Size
C2
100 nF
0201
C3
10 pF
0201
L1
18 nH
0201
R1
1.3 kΩ
0201
R2
1.3 kΩ
0201
R3
1.3 kΩ
0201
R4
1.3 kΩ
0201
R5
510 Ω
0201
Figure 6. SKY18108-11 Evaluation Board Assembly Diagram
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DATA SHEET • SKY18108-11 SP9T ANTENNA SWITCH MODULE
Figure 7. SKY18108-11 PCB Layout Footprint
(Top View)
Figure 8. Typical Part Markings
(Top View)
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DATA SHEET • SKY18108-11 SP9T ANTENNA SWITCH MODULE
Figure 9. SKY18108-11 20-Pin MCM Package Dimensions
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DATA SHEET • SKY18108-11 SP9T ANTENNA SWITCH MODULE
Figure 10. SKY18108-11 Tape and Reel Dimensions
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DATA SHEET • SKY18108-11 SP9T ANTENNA SWITCH MODULE
Ordering Information
Model Name
SKY18108-11 0.4-2.7 GHz SP9T Switch
Manufacturing Part Number
SKY18108-11
Evaluation Board Part Number
EN32-0375-001
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