201072D.pdf

DATA SHEET
SKY13321-360LF: 0.1-3.0 GHz GaAs SPDT Switch
Applications
RFC
 Higher power applications with excellent linearity performance
 WiMAX systems
J2
J1
Features
 Positive voltage control (0 to 1.8 V)
 High isolation, 26 dB typical @ 1 GHz
 Low loss, 0.4 dB typical @ 1 GHz
 Excellent linearity performance, P-0.1dB insertion point
@ +39 dBm
 Small, QFN (8-pin, 2 x 2 mm) package (MSL1, 260 C per
JEDEC J-STD-020)
V1
V2
S1421
Figure 1. SKY13321-360LF Block Diagram
Description
The SKY13321-360LF is a pHEMT GaAs FET I/C switch. The
switch may be used in transmit/receive applications by
connecting the RF common port (RFC, pin 7) to either the J1 or J2
port (pin 1 or 4, respectively) using a low loss path (i.e., a positive
voltage applied to either V1 or V2 pins).
The switch is manufactured in a compact, 2 x 2 mm, 8-pin
exposed pad plastic 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.
J1
1
8
V1
GND
2
7
RFC
GND
3
6
GND
J2
4
5
V2
S1420
Figure 2. SKY13321-360LF Pinout – 8-Pin QFN
(Top View)
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DATA SHEET • SKY13321-360LF SPDT SWITCH
Table 1. SKY13321-360LF Signal Descriptions
Pin #
1
Name
J1
Description
Pin #
RF port
5
Name
V2
Description
DC control voltage
2
GND
Ground
6
GND
Ground
3
GND
Ground
7
RFC
RF port
4
J2
RF port
8
V1
DC control voltage
Table 2. SKY13321-360LF Absolute Maximum Ratings
Parameter
Symbol
Input power
@ 900 MHz, 5 V
@ 130 MHz, 5 V
PIN
Storage temperature
TSTG
Operating temperature
TOP
Note:
Minimum
Typical
Maximum
Units
+40
+39
dBm
dBm
–65
+150
C
–40
+85
C
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. SKY13321-360LF Recommended Operating Conditions
Parameter
Symbol
Minimum
Typical
Maximum
Units
Frequency
f
0.1
3.0
GHz
Control voltage:
low
high
VCTL_L
VCTL_H
0
1.8
0.2
5.0
V
V
Electrical and Mechanical Specifications
The absolute maximum ratings of the SKY13321-360LF are
provided in Table 2. The recommended operating conditions are
specified in Table 3 and electrical specifications are provided in
Table 4.
Typical performance characteristics of the SKY13321-360LF are
illustrated in Figures 3 through 8.
The state of the SKY13321-360LF is determined by the logic
provided in Table 5.
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DATA SHEET • SKY13321-360LF SPDT SWITCH
Table 4. SKY13321-360LF Electrical Specifications (Note 1)
(VCTL = 0 V and +3V, TOP = +25 C, PIN = 0 dBm, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Parameter
Frequency
Symbol
Test Condition
f
0.1-1.0 GHz
1.0-2.0 GHz
2.0-2.5 GHz
2.5-3.0 GHz
Isolation
0.1-1.0 GHz
1.0-2.0 GHz
2.0-2.5 GHz
2.5-3.0 GHz
Return loss (insertion loss state)
Switching characteristics:
Rise/fall time
On/off time
Second harmonic
2fo
Third harmonic
3fo
Blocker performance
VCTL_L
VCTL_H
Control current
ICC
Max
Units
3.0
GHz
0.40
0.50
0.55
0.60
0.50
0.60
0.70
0.80
dB
dB
dB
dB
26
20
18
16
dB
dB
dB
dB
0.1-3.0 GHz
25
dB
10/90% or 90/10% RF
50% VCTL to 90/10% RF
650
800
ns
ns
130 MHz
900 MHz
2450 MHz
+39
+39
+39
dBm
dBm
dBm
PIN = +34.5 dBm,
f = 900 MHz
–75
dBc
PIN = +32.0 dBm,
f = 1800 MHz
–70
dBc
PIN = +36 dBm,
f = 350 to 470 MHz (UHF
band),
–80
dBc
PIN = +34.5 dBm,
f = 900 MHz
–75
dBc
PIN = +32.0 dBm,
f = 1800 MHz
–70
dBc
PIN = +36 dBm,
f = 350 to 470 MHz (UHF
band)
–85
dBc
–105
dBm
23
17
15
13
Tone 1 = 1950 MHz @
+20 dBm,
Tone 2 = 1760 MHz @
–15 dBm, IMD3 measured
@ 2140 MHz
Control voltage:
Low
High
Typical
0.1
Insertion loss
Input power for 0.1 dB compression
Min
0.2
5.0
0
1.8
VCTL_H = 5 V
100
V
V
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 • [email protected] • www.skyworksinc.com
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DATA SHEET • SKY13321-360LF SPDT SWITCH
Typical Performance Characteristics
(VCTL = 0 V and +3 V, TOP = +25 C, PIN = 0 dBm, Characteristic Impedance [ZO] = 50 Ω, Blocking Capacitors = 100 pF,
Bypass Capacitors = 33 pF, Unless Otherwise Noted)
0
0
–0.1
–5
RFC-J1
RFC-J2
RFC-J1
RFC-J2
–10
–15
–0.3
Isolation (dB)
Insertion Loss (dB)
–0.2
–0.4
–0.5
–0.6
–20
–25
–30
–0.7
–35
–0.8
–40
–0.9
–45
–1.0
–50
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0
0.5
1.0
1.5
Frequency (GHz)
2.0
2.5
3.0
Frequency (GHz)
Figure 3. Typical Insertion Loss
Figure 4. Typical Isolation
0
–5
RFC-J1
RFC-J2
–10
Return Loss (dB)
–15
–20
–25
–30
–35
–40
–45
–50
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Frequency (GHz)
Figure 5. Typical Return Loss
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3.5
4.0
DATA SHEET • SKY13321-360LF SPDT SWITCH
Typical Performance Characteristics
(TOP = +25 C, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
0
–0.1
–0.1
–0.3
–0.2
0
–0.3
Loss (dB)
Loss (dB)
–0.5
–0.7
–0.9
–1.3
+14
+18
+22
+26
–0.4
–0.5
–0.6
–0.7
5V
3V
2.7 V
1.8 V
–1.1
–1.5
+10
5V
3V
2.7 V
1.8 V
–0.8
–0.9
+30
+34
+38
–1.0
+10
+42
+14
+18
+22
Input Power (dBm)
+26
+30
+34
+38
+42
Input Power (dBm)
Figure 6. Typical 130 MHz Compression
Figure 7. Typical 900 MHz Compression
0
5.0 V
3.0 V
2.7 V
–0.1
–0.2
Loss (dB)
–0.3
–0.4
–0.5
–0.6
–0.7
–0.8
–0.9
–1.0
+30
+31
+32
+33
+34
+35
+36
+37
+38
+39
+40
Input Power (dBm)
Figure 8. Typical 2450 MHz Compression
Table 5. SKY13321-360LF Truth Table
Note:
V1 (Pin 8)
V2 (Pin 5)
RFC to J1 Path
RFC to J2 Path
1
0
Insertion loss
Isolation
0
1
Isolation
Insertion loss
“1” = +1.8 V to +5 V. “0” = 0 V. Any state other than described in this Table places the switch into an undefined state.
Evaluation Board Description
Package and Handling Information
The SKY13321-360LF Evaluation Board is used to test the
performance of the SKY13321-360LF SPDT Switch. An assembly
drawing for the Evaluation Board is shown in Figure 9.
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 PCB layout footprint for the SKY13321-360LF is provided in
Figure 10. Typical case markings are shown in Figure 11.
Package dimensions for the 4-pin QFN are shown in Figure 12,
and tape and reel dimensions are provided in Figure 13.
THE SKY13321-360LF is rated to Moisture Sensitivity Level 1
(MSL1) at 260 C. It can be used for lead or lead-free soldering.
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.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
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DATA SHEET • SKY13321-360LF SPDT SWITCH
Bypass Capacitors = 33 pF,
Two Places
0 or +3 V DC Source
(Pin 8)
0 or +3 V DC Source
(Pin 5)
RFC
V1
0Ω
Two Places
V2
J1
J2
Bias
Blocking Capacitors = 100 pF,
Three Places (RFC, J1, and J2)
GND
NOTE: A semi-universal Evaluation Board is used to test the SKY13321-360LF.
Some RF lines are used to apply DC bias and have 0 Ω resistors installed. There
are two RF bypass capacitors added to the DC control lines. The RF paths -- RFC,
J1, and J2 -- have DC blocking capacitors installed.
S1476
Figure 9. SKY13321-360LF Evaluation Board Assembly Diagram
8X 0.70
R0.20
8X 0.45
8X 0.25
Pin 1
0.50
Pitch
2X 0.85
0.25
2X 0.45
Exposed Soldering
Area, Typical
S1477
Figure 10. SKY13321-360LF PCB Layout Footprint
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DATA SHEET • SKY13321-360LF SPDT SWITCH
Pin 1
Indicator
Skyworks Part #
Figure 11. Typical Case Markings
(Top View)
0.90 +0.10/–0.15
C
2
0.20 Ref
Seating Plane
A
B
0.45 +0.05/–0.07
Exposed Pad
Detail A
0.02 +0.03/–0.02
Pin 1
Indicator
-B-
2
0.15 C
2X
8X
3
0.08 C
Detail C
0.90 ± 0.10
0.15 C
2X
1.70 +0.10/–0.15
0.85 +0.05/–0.07
Detail B
2 Places
0.10 C
Top View
Side View
Bottom View
R0.12 Typ
0.25
0.30 ± 0.10
-A-
CL
R0.20
0.5
0.25 +0.05/–0.07 5
0.10 M C A B
0.05 M C
Detail C
8 Places
Detail B
Detail A
All measurements are in millimeters.
Dimensioning and tolerancing according to ASME Y14.5M-1994.
Coplanarity applies to the exposed heat sink slug as well as the terminals..
Plating requirement per source control drawing (SCD) 2504.
Dimension applies to metalized terminal and is measured between 0.15 mm and 0.30 mm from terminal tip.
S1415
Figure 12. SKY13321-360LF 8-Pin QFN Package Dimensions
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
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DATA SHEET • SKY13321-360LF SPDT SWITCH
∅1.50+ P0.10/–0.00
0.30 ± 0.01 (T)
4.00 ± 0.10
Pin #1
4.00 ± 0.10
2.00 ± 0.05
1.75 ± 0.10
B
A
B
1.20 ± 0.10 (Ko)
8.00 +0.30/–0.10
A
3.50 ± 0.05
2.60 ± 0.10 (Bo)
R0.30 Max
∅1.00 Min.
2.60 ± 0.10 (Ao)
B
R0.30 Max
A
Notes:
1. Carrier tape: black conductive polystyrene.
2. Cover tape material: transparent conductive HSA.
3. Cover tape size: 5.40 mm width.
4. All measurements are in millimeters.
Figure 13. SKY13321-360LF Tape and Reel Dimensions
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S1480
DATA SHEET • SKY13321-360LF SPDT SWITCH
Ordering Information
Model Name
SKY13321-360LF SPDT Switch
Manufacturing Part Number
SKY13321-360LF
Evaluation Kit Part Number
SK40709-1, Rev. 3
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