SKY66115_11_203309E.pdf

DATA SHEET
SKY66115-11: 470 to 510 MHz Front-End Module for Range
Extension Applications
Applications
 Range extender
CTX CSD
 Smart meters, tracking, and RFID
Logic
Control
Features
TX
 Transmit output power: +20 dBm
PA
 2.5 V to 3.6 V supply operation
 Low power consumption
ANT
 Rx bypass
RX
 Small footprint (16-pin, 4 x 4 mm) MCM package
(MSL3, 260 C per JEDEC J-STD-020)
203309D-001
Figure 1. SKY66115-11 Block Diagram
CSD
VDD
16
15
14
13
GND
2
12
ANT
GND
3
11
GND
TX
4
10
GND
GND
5
8
9
GND
203309D-002
RX
6
7
GND
1
VCC
GND
Description
The SKY66115-11 is a highly integrated front-end module (FEM)
designed for range extension and smart metering applications in
the 470 to 510 MHz range.
The device is provided in a 4 x 4 mm, 16-pin MCM package. A
functional block diagram is shown in Figure 1. The device
package and pinout are shown in Figure 2. Table 1 lists the pinassignments and signal descriptions.
GND
CTX
Skyworks GreenTM products are compliant with
all applicable legislation and are halogen-free.
For additional information, refer to Skyworks
Definition of GreenTM, document number
SQ04–0074.
Figure 2. SKY66115-11 Pinout
(Top View)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
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DATA SHEET • SKY66115-11: 470 TO 510 MHz FEM
Table 1. SKY66115-11 Signal Descriptions
Pin
Name
Description
Pin
9
Name
Description
1
GND
Ground
GND
Ground
2
RX
Receive port
10
GND
Ground
3
GND
Ground
11
GND
Ground
4
TX
Transmit port
12
ANT
Antenna port
5
GND
Ground
13
GND
Ground
6
VCC
Positive power supply
14
VDD
Positive power supply
7
GND
Ground
15
CSD
Shutdown control signal
8
GND
Ground
16
CTX
TX/RX control signal
Technical Description
Operation Mode Control
The SKY66115-11 consists of a complete T/R chain with a T/R
switch contained in the module. The module has a shutdown
mode to minimize power consumption.
The operating modes are controlled by the two digital pins (CSD
and CTX, pins 15 and 16, respectively). The control logic truth
table is provided in Table 8.
Transmit Path
The transmit path contains an amplifier optimized for saturated
performance. The output is internally matched for optimum
output power and efficiency into a 50 Ω load impedance. The
output is passed through a harmonic filter before being fed
through the switch. The input provides a good return loss into a
50  source impedance.
Electrical and Mechanical Specifications
The absolute maximum ratings of the SKY66115-11 are provided
in Table 2. Recommended operating conditions are specified in
Table 3 and electrical specifications are provided in Tables 4
through 7. Table 8 shows the mode logic truth table.
Typical performance characteristics are shown in Figures 3
through 8.
Table 2. SKY66115-11 Absolute Maximum Ratings1
Parameter
Symbol
Test Condition
Minimum
Maximum
Units
Supply voltage
VCC
2.5
3.8
V
Control voltages
VDD, VCSD, VCTX
–0.2
VCC
V
RF input power, receive mode
PIN_RX
Rx mode at ANT
+30
dBm
RF input power, transmit mode
PIN_TX
Tx mode at TX
10
dBm
Voltage standing wave ratio
VSWR
10:1
Operating temperature
TA
–40
+85
C
Storage temperature
TSTG
–65
+150
C
50
%
Transmit duty cycle
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.
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DATA SHEET • SKY66115-11: 470 TO 510 MHz FEM
Table 3. SKY66115-11 Recommended Operating Conditions
Parameter
Symbol
Minimum
Typical
Maximum
Units
510
MHz
Frequency
f
470
Supply voltages
VCC, VDD
2.5
3.6
V
Control voltages
VCSD, VCTX
0a
VDD
V
VLOW
VHIGH
0
2.8
0.45
VDD
V
V
3.3
Digital input voltage (CSD and CTX):
Logic 0
Logic 1
Table 4. SKY66115-11 Electrical Specifications: DC Characteristics1
(VCC = VDD = 3.3 V, TA= +25 °C, No RF Input Power, Unless Otherwise Noted)
Parameter
Symbol
Test Condition
Minimum
Typical
Maximum
Units
Rx current
ICQ_RX_VDD
Rx Mode
3
A
Tx quiescent current, VDD
ICQ_TX_VDD
Tx Mode
5
mA
Tx quiescent current, VCC
ICQ_TX_VCC
Tx Mode
40
mA
Tx operating current
IOP_TX_VCC
Tx Mode, POUT = +20 dBm
67
mA
A
Sleep current, VDD
IDD_OFF
Sleep Mode
3
Sleep current, VCC
ICC_OFF
Sleep Mode
0.04
Digital input current, logic 02
ILOW
Sleep Mode
0
A
Digital input current, logic 12
IHIGH
Sleep Mode
33
A
1
A
1 Performance is guaranteed only under the conditions listed in this table.
2 Not production tested.
Table 5. SKY66115-11 Electrical Specifications: Transmit Characteristics1
(VCC = VDD = 3.3 V, TA= +25 °C, POUT = +20 dBm, Characteristic Impedance [Zo] = 50 Ω, Unless Otherwise Noted)
Parameter
Symbol
Input power
PIN_20dBm
TX small signal gain
|S21|
Input return loss
|S11|
Test Condition
PIN = –25 dBm
Minimum
Typical
Maximum
Units
4
dBm
18
dB
8
dB
Output return loss
|S22|
10
dB
ANT to Rx isolation
ISO_ANT_TO_RX
35
dB
2nd to 10th harmonics2
2fo to 10fo
POUT = +20 dBm:
< 1 GHz
> 1 GHz
–36
–30
dBm
dBm
Rx to Tx transition time3
tSWITCH
50% VCTX to 90% RF
0.6
s
Tx Power on time3
tON
50% VCSD to 90% RF
0.1
s
0.1
Tx Power off time3
tOFF
50% VCSD to 10% RF
Non-harmonic spurious3
PSPUR
VSWR 6:1, all phases
s
–42
dBm
1 Performance is guaranteed only under the conditions listed in this table.
2 2nd to 5th harmonics are production tested. 6th to 10th harmonics are characterized only.
3 Not production tested.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
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DATA SHEET • SKY66115-11: 470 TO 510 MHz FEM
Table 6. SKY66115-11 Electrical Specifications: Receive Characteristics1
(VCC = VDD = 3.3 V, TA= +25 °C, PIN = 0 dBm, Characteristic Impedance [Zo] = 50 Ω, Unless Otherwise Noted)
Parameter
Symbol
Test Condition
Minimum
Typical
Maximum
Units
Insertion loss
S21
0.7
dB
Input return loss
S11
18
dB
Output return loss
S22
18
dB
Tx to Rx transition time2
tSWITCH
0.6
s
50% VCTX to 90% RF
1 Performance is guaranteed only under the conditions listed in this table.
2 Not production tested.
Table 7. SKY66115-11 Electrical Specifications: Control Voltages
Parameter
Symbol
Minimum
Typical
Maximum
Units
0.45
VDD
V
V
Control voltage: 1
Low
High
VLOW
VHIGH
0
2.8
1VHIGH should always be lower than or equal to VDD.
Table 8. SKY66115-11 Mode Logic Truth Table
VCSD
VCTX
Sleep mode1
Mode
0
X
Receive (Rx) mode
X
0
Transmit (Tx) mode
1
1
1 In the high state, CTX and CSD have an input current of 33 μA. The high state is not recommended for CTX when
the device is in sleep mode.
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DATA SHEET • SKY66115-11: 470 TO 510 MHz FEM
Typical Performance Characteristics (Note 1)
-30
-35
470 MHz
-40
490 MHz
100
20
90
18
80
16
70
14
60
500 MHz
-45
510 MHz
POUT (dBm)
Level (dBm)
22
-50
-55
-60
-65
203309D-003
-70
-75
-80
#2
#3
#4
#5
#6
#7
#8
#9
POUT
12
10
-10
#10
-8
-6
-4
-2
0
2
4
6
40
10
8
Input Power (dBm)
203309D-004
Figure 4. Typical POUT and ITOTAL Transfer Characteristics
Figure 3. Typical Harmonics Level at +20 dBm POUT
100
20
90
ITOTAL (ICC + IDD, mA)
22
18
Gain (dB)
50
ICC
# Harmonics
16
14
ITOTAL (ICC + IDD, mA)
(VCC = 3.3 V, TA = +25 C, f = 470 to 510 MHz, All Unused Ports Terminated at 50 , Unless Otherwise Noted)
470 MHz
470 MHz
490 MHz
500 MHz
80
510 MHz
70
60
500 MHz
510 MHz
10
10
12
14
16
18
20
203309D-006
12
203309D-005
490 MHz
50
40
10
22
12
14
16
18
20
22
Output Power (dBm)
Output Power (dBm)
Figure 5. Typical Gain vs POUT (VCC = 3.3 V)
Figure 6. Typical ITOTAL vs POUT (VCC = 3.3 V)
22
50
45
20
40
35
14
2.5 V
3.3 V
3.6 V
10
10
12
25
20
2.5 V
15
3V
12
30
14
16
18
20
Output Power (dBm)
Figure 7. Typical Gain vs POUT (VCC = 2.5 to 3.6 V)
22
3V
10
3.3 V
5
3.6 V
0
10
11
12
13
14
15
16
17
18
19
20
21
203309D-008
PAE (%)
16
203309D-007
Gain (dB)
18
22
Output Power (dBm)
Figure 8. Typical PAE vs POUT, CW (VCC = 2.5 to 3.6 V)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
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DATA SHEET • SKY66115-11: 470 TO 510 MHz FEM
Evaluation Board Description
PCB Recommendations:
The SKY66115-11 Evaluation Board is used to test the
performance of the SKY66115-11 front-end module. An
Evaluation Board schematic diagram is provided in Figure 9. An
optional low-pass filter (LPF) can be incorporated on the ANT port
to provide additional rejection of PA output harmonic levels and/or
limit unwanted signals from entering the receive path. The board
layer detail is provided in Figure 10.
 Metal Layer 1 = RF traces + control lines. Core thickness
between top RF layer and ground plane is critical.
 Metal Layer 2 = Solid ground plane. No traces routing.
 Metal Layer 3 and 4 = Control lines + VCC traces (no VCC
plane).
 Pour copper on each layer connected to the ground plane. Use
VCC traces in a star distribution pattern.
 Always use 4 layers.
J2
VCC
2
4
6
8
10
12
14
CTX
CSD
R1
1 kΩ
CSD
VDD
1
3
5
7
9
11
13
VCC
C7
100 pF
VDD
VDD 14
CTX 16
C6
100 pF
1 GND
3 GND
ANT 12
SKY66115-11
U1
GND 11
GND 10
5 GND
GND 9
L1
0Ω
C1
DNI
J1
SMA
C2
DNI
8 GND
4 TX
6 VCC
SMA
J4
2 RX
C8
DNI
GND 13
7 GND
SMA
J3
VDD = VCC (jumper between 2 and 4) or different supply.
Pin 13 = N/C
C4
100 nF
CSD 15
CTX
R2
1 kΩ
VCC
C3
100 nF
C5
4.7 μF
NOTE: C3 is closest to DUT
Figure 9. SKY66115-11 Evaluation Board Schematic
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203309D-009
DATA SHEET • SKY66115-11: 470 TO 510 MHz FEM
Layer 1: Top – Metal
Layer 3: Ground + VCC
Layer 2: Ground
Layer 4: Solid Ground Plane
203309D-010
Figure 10. SKY66115-11 Evaluation Board Layer Detail Diagram
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
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DATA SHEET • SKY66115-11: 470 TO 510 MHz FEM
Package Dimensions
related to moisture absorption may occur when the part is
subjected to high temperature during solder assembly.
The PCB layout footprint for the SKY66115-11 is shown in
Figure 11. Package dimensions are shown in Figure 12, and tape
and reel dimensions are provided in Figure 13.
Package and Handling Information
The SKY66115-11 is rated to Moisture Sensitivity Level 3 (MSL3)
at 250 C. It can be used for lead or lead-free soldering. For
additional information, refer to Skyworks Application Note, PCB
Design and SMT Assembly/Rework Guidelines for MCM-L
Packages, document number 101752.
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
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.
Pin 16
4.3
Pin 1
4X 0.65
4X 0.65
Pin 1 indicator
0.20 X 0.20
Stencil aperture size of
80 to 100% of the module/pkg
solder mask openings
4X 0.925
4.3
0.8 Pitch
12X 0.4
12X 0.65
Exposed center pad
Package outline
4X 0.925
Stencil Aperture
(Top View)
4.3
0.8 Pitch
7X 0.65
Pin 16
Pin 1
Thermal via array Ø0.3 mm
on 0.6 mm pitch will improve
thermal performance
Pin 16
4.4
Pin 1
4X 0.75
4X 0.75
Pin 1 indicator
0.20 X 0.20
Opening size of
60 to 100% of exposed
center opening shown
7X 0.4
2X 1.0
4.3
4.4
0.8 Pitch
12X 0.5
0.25 Typ.
Exposed center pad
Package outline
Package outline
Metallization
(Top View)
12X 0.75
2X 1.0
Solder Mask Opening
(Top View)
Notes:
1. All measurements are in millimeters.
2. Thermal vias should be resin filled and capped in accordance with
IPC-4761 type VII vias. Recommended Cu thickness is 30 to 35 µm.
Figure 11. SKY66115-11 PCB Layout Footprint
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203309D-011
Pin 1
Indicator
Pin 16
Pin 1
0
B
4
4X 0.8
10X 1.9
DATA SHEET • SKY66115-11: 470 TO 510 MHz FEM
C
Pin 1 Indicator
See Detail D
Top
10X 1.9
A
4X 0.8
4
0
4X 0.538
16X SMT pad
0.1 M A B C
B
0.9 ± 0.1
A
0.1
Top View
Solder Mask Openings
0.2 A B C
See Detail C
4X 0.538
0.075 A B C
Side View
Bottom View
0.4 ± 0.1
(0.1)
Solder Mask
Edge
0.4 ± 0.1
(0.1)
0.2 X 0.2
Solder Mask
Edges
0.5 ± 0.05
0.4 ± 0.05
0.925
0.925
0.4 ± 0.1
Metal Pad
Edges
Solder Mask
Edges
Solder Mask
Edges
(0.1)
Metal Pad
Edges
0.925
0.925
Detail A
Detail B
Detail C
Detail D
Pad
Scale: 2X
3X This Rotation
3X Rotated 90° CW
3X Rotated 180°
3X Rotated 90° CCW
Pad
Scale: 2X
1X This Rotation
1X Rotated 90° CW
1X Rotated 180°
1X Rotated 90° CCW
Pad
(3 Places)
Scale: 2X
Pad
Scale: 2X
Notes:
1. Dimensions and tolerances according to ASME Y14.5M-1994.
2. All measurements are in millimeters.
203309D-012
Figure 12. SKY66115-11 Package Dimensions
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
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DATA SHEET • SKY66115-11: 470 TO 510 MHz FEM
2.00 ± 0.05
8.00 ± 0.10
0.30 ± 0.05 (T)
4.00 ± 0.10
∅1.50 ± 0.10
4.40 (Bo)
A
B
1.70 (Ko)
12.00 + 0.30/–0.10
A
5.50 ± 0.05
B
Pin 1
Indicator
B
1.75 ± 0.10
∅1.50 Min.
4.40 (Ao)
A
Notes:
1. Carrier tape material: black conductive polycarbonate or polystyrene.
2. Cover tape material: transparent conductive PSA.
3. Cover tape size: 9.3 mm width.
4. Ten sprocket hole pitch cumulative tolerance: ±0.20 mm.
5. Ao and Bo measured on plane 0.30 mm above the bottom of the pocket.
6. Typical ESD surface resistivity is ≤1 x 1010 Ohms/square per EIA, JEDEC
tape and reel specification.
7. All measurements are in millimeters
203309D-013
Figure 13. SKY66115-11 Tape and Reel Dimensions
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DATA SHEET • SKY66115-11: 470 TO 510 MHz FEM
Ordering Information
Model Name
SKY66115-11: 470 to 510 MHz Front-End Module
Manufacturing Part Number
Evaluation Board Part Number
SKY66115-11
TW22-D290
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