SKY65535-11 [SKYWORKS]
Telecom Circuit, 1-Func, 2.50 X 2.50 MM, LEAD FREE, QFN-16;
| 型号： | SKY65535-11 |
| 厂家： | 
SKYWORKS SOLUTIONS INC. |
| 描述： | Telecom Circuit, 1-Func, 2.50 X 2.50 MM, LEAD FREE, QFN-16 电信 电信集成电路 |
| 文件： | 总11页 (文件大小：620K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
DATA SHEET
SKY65535-11: 5 GHz WLAN Front-End Module
Applications
• WiFi-enabled handsets, tablets, and mobile/portable systems
• System-in-Package (SIP) modules for embedded systems
• WLAN-enabled wireless video systems
Features
• Integrated high performance 5 GHz PA with harmonic filter, LNA
with bypass, and SPDT
• Fully-matched input and output
• Integrated, positive slope power detector
• Transmit gain: 30 dB
• Receive gain: 12 dB
• Output power: +17.5 dBm @ 3% EVM, 64 QAM 54 Mbps
• Direct connection to battery with 3.6 V nominal supply voltage
• Small, QFN (16-pin, 2.5 x 2.5 mm) package (MSL1, 260 °C per
JEDEC J-STD-020)
Figure 1. SKY65535-11 Block Diagram
Description
The SKY65535-11 is a highly-integrated, 5 GHz Front-End Module
(FEM) incorporating a 5 GHz Single-Pole, Double-Throw (SPDT)
transmit/receive (T/R) switch, a 5 GHz Low-Noise Amplifier (LNA)
with bypass, and a 5 GHz Power Amplifier (PA) intended for
mobile/portable 802.11n applications and systems. The device
operates from a single supply voltage of 3.6 V at +17.5 dBm of
linear output power at the ANT port (pin 13) with a 64 QAM,
54 Mbps signal.
An enable/disable function is included that allows power savings
during off mode. An integrated power detector with 20 dB of
dynamic range is included to provide closed-loop power control
within the system.
The device is provided in a compact, 16-pin 2.5 x 2.5 mm Quad
Flat No-Lead (QFN) 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. SKY65535-11 Pinout – 16-Pin QFN
(Top View)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • SKY65535-11 FRONT-END MODULE
Technical Description
Package and Handling Information
The SKY65535-11 is comprised of a high performance 5 GHz PA,
5 GHz LNA, and broadband SPDT switch. The device is fully-
matched, and requires few external components for optimal
performance, which makes it ideal for small portable/mobile
applications. The FEM provides up to +30 dB of gain over the
frequency band. The LNA supports an enable/disable mode for
power savings when not in receive mode and a bypass function
for increased receive dynamic range. The PA can be shut off using
the PA_EN signal (pin 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.
The SKY65535-11 is rated to Moisture Sensitivity Level 1 (MSL1)
at 260 °C. It can be used for lead or lead-free soldering. For
additional information, refer to the Skyworks Application Note,
Solder Reflow Information, document number 200164.
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.
Electrical and Mechanical Specifications
Signal pin assignments and functional pin descriptions are
described in Table 1. The absolute maximum ratings of the
SKY65535-11 are provided in Table 2. The recommended
operating conditions are specified in Table 3 and electrical
specifications are provided in Tables 4, 5, and 6.
The state of the SKY65535-11 is determined by the logic provided
in Table 7.
Table 1. SKY65535-11 Signal Descriptions
Pin #
Name
Description
Pin #
9
Name
Description
1
2
3
4
5
6
7
8
GND
RX
Ground
N/C
No connect
Supply voltage
Supply voltage
Ground
RF receive output
Ground
10
11
12
13
14
15
16
VCC1
VCC2
GND
ANT
GND
CRX
GND
N/U
Not used
VDET
PA_EN
GND
TX
Detector output voltage
PA enable
Antenna
Ground
Ground
Switch control voltage
LNA enable
RF transmit input
LNA_EN
Note: N/C = No connect. Keep pin floating.
N/U = Not used. Pin can be connected or left floating.
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DATA SHEET • SKY65535-11 FRONT-END MODULE
Table 2. SKY65535-11 Absolute Maximum Ratings (Note 1)
Parameter Symbol
Minimum
–0.3
Maximum
+5.5
Units
Supply voltage
VCC
VIN
V
V
DC input on control pin (PA_EN, LNA_EN,
CRX)
–0.3
+3.6
Input power (ANT terminated in 50 Ω
match)
PIN
+5
dBm
Case operating temperature
Storage temperature
TA
–40
–40
+85
+140
1000
°C
°C
V
TST
ESD
Electrostatic Discharge, Human Body Model
(HBM), Class 1C
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.
Table 3. SKY65535-11 Recommended Operating Conditions
Parameter
Supply voltage relative to GND = 0 V
Operating temperature
Symbol
Minimum
3.20
Typical
3.60
Maximum
4.40
Units
V
VCC
TA
–40
+25
+85
°C
Table 4. SKY65535-11 Electrical Specifications: DC Characteristics (Note 1)
(VCC = 3.6 V, PA_EN = 3.3 V, TA = 25 °C, All Unused Ports Terminated with 50 Ω, Unless Otherwise Noted)
Parameter
Symbol
Test Condition
Min
Typical
Max
Units
Supply current
ICC-A
POUT = +17.5 dBm,
54 Mbps
190
mA
ICC-OFF
PA_EN = 0 V, No RF
applied, PA_EN = CRX =
LNA_EN = 0 V
5
120
9
μA
mA
mA
Quiescent current
LNA supply current
ICQ
No RF
ICC_LNA
LNA_EN = 3.3 V,
CRX = 3.3 V
11
LNA bypass supply current
ICC_LNA_BYP
LNA_EN = 0 V,
CRX = 3.3 V
200
μA
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 • SKY65535-11 FRONT-END MODULE
Table 5. SKY65535-11 Electrical Specifications: General (Note 1)
(VCC = 3.6 V, PA_EN = 3.3 V, LNA_EN = CRX = 0 V, TA = 25 °C, All Unused Ports Terminated with 50 Ω, Unless Otherwise Noted)
Parameter
Symbol
Test Condition
Min
Typical
Max
Units
Transmit Characteristics
Frequency range
f
5150
5950
3.2
MHz
Error Vector Magnitude
EVM
POUT = +17.5 dBm,
54 Mbps OFDM signal
3.0
%
POUT = +16.0 dBm,
MCS7, HT40
3.0
%
dB
Small signal gain
S21
30
Harmonics (2nd and 3rd)
2fo, 3fo
POUT = +19.5 dBm,
6 Mbps, 802.11a
–45
dBm/MHz
Delay and rise/fall time
tDR, tDF
50% of VPA_EN edge and
90/10% of final output
power level
400
ns
Input return loss
Stability
S11
@ TX port
–12
dB
Stab
CW, PIN = +10 dBm,
0.1 GHz to 20 GHz, load
VSWR = 6:1
All non-harmonically related outputs < –43 dBm/MHz
Ruggedness
CW, PIN = 0 dBm,
0.1 GHz to 20 GHz, load
VSWR = 10:1
No permanent damage or performance degradation
Receive Characteristics
Frequency range
f
5150
5950
MHz
Small signal gain
S21
LNA enabled
Bypass mode
+12
–7
dB
dB
Noise Figure
NF
2.5
+3
dB
3rd Order Input Intercept Point
IIP3
LNA enabled
Bypass mode
LNA enabled
Bypass mode
dBm
dBm
dB
+20
–10
–10
–8
Input return loss
S11
dB
Output return loss
Enable time
S22
dB
tEN
10% to 90% of receive RF
power, from time that
LNA_EN is at 50%
400
ns
Switch isolation
ISOLSW
20
dB
Power Detector Characteristics
Frequency range
f
5150
0
5950
MHz
dBm
kΩ
Power detector range, CW
Output impedance
PDR
Measured @ ANT pin
+23
PDZLOAD
PDVNO_RF
2.2
0.1
0.2
Output voltage
POUT = no RF, measured
in to 1 MΩ
V
V
PDVP10
PDVP23
PDBW
POUT = +10 dBm, CW,
measured in to 1 MΩ
POUT = +23 dBm, CW,
measured in to 1 MΩ
0.8
1
V
Detector bandwidth
MHz
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DATA SHEET • SKY65535-11 FRONT-END MODULE
Table 6. SKY65535-11 Electrical Specifications: Control Logic Characteristics (Note 1)
(VCC = 3.6 V, PA_EN = 3.3 V, LNA_EN = CRX = 0 V, TA = 25 °C, All Unused Ports Terminated with 50 Ω, Unless Otherwise Noted)
Parameter
Symbol
Test Condition
Min
Typical
Max
Units
Control voltage:
High
Low
VIH
VIL
1.6
0
3.6
0.4
V
V
Input current, high
IIH
All pins except PEN
PEN pin
10
200
μA
μA
Input current, low
IIL
1
μA
Table 7. SKY65535-11 Control Logic
Mode
CRX (Pin 15)
LNA_EN (Pin 16)
PA_EN (Pin 6)
(Note 1)
(Note 2)
WLAN receive
1
1
0
0
1
0
0
0
0
0
1
0
WLAN receive bypass mode
WLAN transmit
WLAN off
Note 1: LNA is on while LNA_EN is high. LNA is off and in bypass mode when LNA_EN is low.
Note 2: PA_EN controls PA enable and transmit/receive switch logic.
Circuit Design Considerations
Evaluation Board Description
The SKY65535-11 Evaluation Board is used to test the
performance of the SKY65535-11 FEM. A suggested application
schematic diagram is shown in Figure 3. A photograph of the
Evaluation Board is shown in Figure 4.
The following design considerations are general in nature and
must be followed regadless of final use or configuration:
1. Paths to ground should be made as short as possible.
2. The RX and ANT ports are AC-coupled and do not require DC
blocking capacitors. The TX port (pin 8) has an on-chip
inductor to ground followed by a DC blocking capacitor
between the inductor and the die. Therefore, there is no DC
present on this port.
Evaluation Board Test Procedures
1. Connect the system ground to connector J4, pin 2, of the
Evaluation Board.
2. Apply 3.6 V to connector J4, pins 1 and 3.
3. Apply 3.3 V to connector J5, pin 1.
3. If the TX port is connected to an external component with DC
present on it, a 10 pF (component C8) general purpose
blocking capacitor is recommended.
4. Select a path to test according to the modes shown in Table 7.
4. Capacitors C6 (1 μF) and C7 (100 pF) should be on the
primary side of the Evaluation Board at a minimum
manufacturable distance from the FEM.
5. Connect a multimeter or oscilloscope to connector J5, pin 12,
to monitor the power detector voltage.
6. Apply an RF signal to connector J1 (ANT) to monitor the RX to
ANT performance. Measure the response from the output of
connector J2 (RX).
5. The ground pad of the SKY65535-11 has special electrical and
thermal grounding requirements. This pad is the main thermal
conduit for heat dissipation. Since the circuit board acts as the
heat sink, it must shunt as much heat as possible from the
device. Therefore, design the connection to the ground pad to
dissipate the maximum wattage produced by the circuit board.
Multiple vias to the grounding layer are required.
7. Apply an RF signal to connector J3 (TX) to monitor the ANT to
TX performance. Monitor the output power on connector J1
(ANT). Care should be taken not to overdrive the amplifier by
applying too much RF on the input to the device (–20 dBm
provides a suitable starting input power for the device).
6. Trace losses are as shown in Table 8.
NOTE: A poor connection between the slug and ground increases
junction temperature (TJ), which reduces the lifetime of the
device.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201577G • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • March 18, 2013
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DATA SHEET • SKY65535-11 FRONT-END MODULE
dimensions for the 16-pin QFN are shown in Figure 7, and tape
and reel dimensions are provided in Figure 8.
Package Dimensions
The PCB layout footprint for the SKY65535-11 is shown in
Figure 5. Typical case markings are shown in Figure 6. Package
Table 8. Evaluation Board Trace Losses
Trace Losses
(dB)
Trace
@ 4.9 GHz
@ 5.4 GHz
0.25
@ 5.9 GHz
0.37
TX path
RX path
ANT path
0.28
0.15
0.15
0.19
0.20
0.19
0.20
Figure 3. SKY65535-11 Application Schematic
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DATA SHEET • SKY65535-11 FRONT-END MODULE
Figure 4. SKY65535-11 Evaluation Board Assembly
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201577G • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • March 18, 2013
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DATA SHEET • SKY65535-11 FRONT-END MODULE
Figure 5. SKY65535-11 PCB Layout Footprint
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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March 18, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201577G
DATA SHEET • SKY65535-11 FRONT-END MODULE
Figure 6. Typical Case Markings
(Top View)
Figure 7. SKY65535-11 16-Pin QFN Package Dimensions
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201577G • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • March 18, 2013
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DATA SHEET • SKY65535-11 FRONT-END MODULE
Figure 8. SKY65535-11 Tape and Reel Dimensions
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DATA SHEET • SKY65535-11 FRONT-END MODULE
Ordering Information
Model Name
Manufacturing Part Number
SKY65535-11
Evaluation Board Part Number
SKY65535-11 5 GHz Front-End Module
SKY65535-11-EVB
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