DATA SHEET
SKY13293-340LF: 0.25-2.15 GHz 4 x 2 Matrix Switch
Applications
LO
RO
DBS switching, cable modems, cable TV
Features
Broadband frequency range: 0.25 to 2.15 GHz
High isolation: 57 dB typical @ 0.9 GHz
Four RF inputs, two RF outputs
Low current consumption: 500 μA typical @ 5 V
I1
I3
Miniature QFN (20-pin, 4 x 4 mm) package (MSL1, 260 C per
JEDEC J-STD-020)
I4
I2
S1654
Figure 1. SKY13293-340LF Block Diagram
Description
The SKY13293-340LF is a four-input to two-output switch in a
low-cost Quad Flat No-Lead (QFN) 4 x 4 mm package. The switch
can control signals from 0.25 to 2.15 GHz. The SKY13293-340LF
enables 16 states, directing any of the four inputs to either of the
two outputs. Switch states are selected by four voltage inputs.
LO
N/C
GND
N/C
RO
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.
20
19
18
17
16
2
14
N/C
GND
3
13
GND
I1
4
12
I3
V2
5
11
V4
6
7
8
9
10
I4
N/C
GND
V3
VDD
15
GND
1
I2
V1
S1656
Figure 2. SKY13293-340LF Pinout – 20-Pin QFN
(Top View)
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DATA SHEET • SKY13293-340LF 4X2 MATRIX SWITCH
Table 1. SKY13293-340LF Signal Descriptions
Pin #
1
Name
Type
V1
DC
I/O
I
Description
Pin #
Control voltage input #1
11
Name
V4
Type
DC
I/O
Description
I
Control voltage input #4
2
N/C
–
–
No connection
12
I3
RF
I
RF input #3 (250-2150 MHz)
3
GND
–
GND
RF/DC Ground
13
GND
–
GND
RF/DC Ground
4
I1
RF
I
RF input #1 (250-2150 MHz)
14
N/C
–
–
No connection
5
V2
DC
I
Control voltage input #2
15
V3
DC
I
Control voltage input #3
6
I2
RF
I
RF input #2 (250-2150 MHz)
16
RO
RF
O
RF channel right output
(250-2150 MHz)
7
GND
–
GND
RF/DC Ground
17
N/C
–
–
No connection
8
VDD
DC
I
Supply voltage input
18
GND
–
GND
RF/DC Ground
9
GND
–
GND
RF/DC Ground
19
N/C
–
–
No connection
10
I4
RF
I
RF input #4 (250-2150 MHz)
20
LO
RF
O
RF channel left output
(250-2150 MHz)
Table 2. SKY13293-340LF Absolute Maximum Ratings
Parameter
Input power
Symbol
Minimum
PIN
Typical
Maximum
Units
+15
dBm
Logic control input voltage
5.5
V
Control voltage
5.5
V
Storage temperature
TSTG
–65
+150
C
Operating temperature
TOP
–40
+85
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 SKY13293-340LF are
provided in Table 2. The electrical specifications are provided in
Table 3.
The state of the SKY13293-340LF is determined by the logic
provided in Table 4.
An application circuit diagram is presented in Figure 12.
Typical performance characteristics of the SKY13293-340LF are
illustrated in Figures 3 through 11.
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DATA SHEET • SKY13293-4X2 MATRIX SWITCH
Table 4. SKY13293-340LF Electrical Specifications (Note 1)
(VDD = 5 V, TOP = +25 C, PIN = –20 dBm, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Parameter
Symbol
Test Condition
Min
Typical
Max
Units
RF Switch Performance
Insertion loss
0.25-0.95 GHz
0.95-2.15 GHz
8.0
9.0
8.2
9.7
dB
dB
Insertion loss flatness
0.25-0.95 GHz
0.95-2.15 GHz
0.75
1.50
1.00
2.50
dB
dB
Isolation (normalized to insertion loss)
0.25-0.95 GHz
0.95-1.45 GHz
1.45-2.15 GHz
43.0
38.5
57.0
52.0
45.0
dB
dB
dB
Return loss (input selected)
0.25-0.95 GHz
0.95-2.15 GHz
15
11
20
21
dB
dB
Return loss (input deselected)
0.25-0.95 GHz
0.95-2.15 GHz
15
11
20
21
dB
dB
1 dB input compression point
rd
3 Order Input Intercept Point
IP1dB
0.25-2.15 GHz
+15
dBm
IIP3
PIN = –12 dBm/tone,
1 MHz spacing, 2.15 GHz
+27
dBm
10/90% or 90/10% RF
50% VCTL to 90/10% RF
10
29
ns
ns
0 V ≤ VCTL ≤ VDD
5
μA
Switching characteristics:
Rise/fall time
On/off time
Logic Controls
Control input current
IDIG
Control input low logic level
VIL
Control input high logic level
VIH
2.2
Supply voltage
VDD
3.0
Supply current
IDD
0.7
V
V
Power Supply
5.0
5.5
500
V
μA
Note 1: Performance is guaranteed only under the conditions listed in this Table.
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3
DATA SHEET • SKY13293-340LF 4X2 MATRIX SWITCH
Typical Performance Characteristics
(TOP = +25 C, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
I1-LO
I1-LO
I2-LO
I2-RO
I1-RO
I4-LO
–5
I1-RO
I4-RO
I3-RO
I3-LO
I4-LO
I4-RO
I1-LO
I1-RO
I2-LO
I3-LO
I2-RO
I2-RO
I2-LO
I4-RO
I3-RO
I4-LO
I1-LO
I2-LO
I1-RO
I3-LO
I3-RO
I3-RO
I2-RO
I3-LO
I4-RO
I4-LO
Insertion Loss (dB)
–6
0
–10
Insertion Loss & Isolation
Above Insertion Loss (dB)
–7
–8
–9
–30
–40
–50
–60
–70
2.20E+09
2.00E+09
1.80E+09
1.60E+09
1.40E+09
1.20E+09
1.00E+09
8.00E+08
6.00E+08
4.00E+08
2.00E+08
0.00E+00
–10
–20
–80
0
Frequency (Hz)
Frequency (GHz)
Figure 4. I1 to LO Path, All States
(Isolation is Normalized to Insertion Loss)
0
0
-10
–10
Insertion Loss & Isolation
Above Insertion Loss (dB)
Insertion Loss & Isolation
Above Insertion Loss (dB)
Figure 3. Insertion Loss, All States
-20
-30
-40
-50
-60
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2
–20
–30
–40
–50
–60
–70
-70
–80
-80
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2
Frequency (GHz)
Figure 5. I2 to LO Path, All States
(Isolation is Normalized to Insertion Loss)
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2
Frequency (GHz)
Figure 6. I3 to LO Path, All States
(Isolation is Normalized to Insertion Loss)
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0
0
–10
–10
Insertion Loss & Isolation
Above Insertion Loss (dB)
Insertion Loss & Isolation
Above Insertion Loss (dB)
DATA SHEET • SKY13293-4X2 MATRIX SWITCH
–20
–30
–40
–50
–60
–20
–30
–40
–50
–60
–70
–70
–80
–80
0
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2
Frequency (GHz)
Frequency (GHz)
Figure 8. RO Path, All States
(Isolation is Normalized to Insertion Loss)
0
0
–10
–10
Insertion Loss & Isolation
Above Insertion Loss (dB)
Insertion Loss & Isolation
Above Insertion Loss (dB)
Figure 7. I4 to LO Path, All States
(Isolation is Normalized to Insertion Loss)
–20
–30
–40
–50
–60
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2
–20
–30
–40
–50
–60
–70
–70
–80
–80
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2
Frequency (GHz)
Figure 9. RO Path, All States
(Isolation is Normalized to Insertion Loss)
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2
Frequency (GHz)
Figure 10. I3 to RO Path, All States
(Isolation is Normalized to Insertion Loss)
0
Insertion Loss & Isolation
Above Insertion Loss (dB)
–10
–20
–30
–40
–50
–60
–70
–80
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2
Frequency (GHz)
Figure 11. I4 to RO Path, All States
(Isolation is Normalized to Insertion Loss)
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DATA SHEET • SKY13293-340LF 4X2 MATRIX SWITCH
Table 5. SKY13293-340LF Truth Table
Control Voltage Inputs (Note 1)
State
Signal Path (Note 2)
V1
V2
V3
V4
0
0
0
0
0
I1 → LO, I1 → RO
1
0
0
0
1
I1 → LO, I2 → RO
2
0
0
1
0
I1 → LO, I3 → RO
3
0
0
1
1
I1 → LO, I4 → RO
4
0
1
0
0
I2 → LO, I1 → RO
5
0
1
0
1
I2 → LO, I2 → RO
6
0
1
1
0
I2 → LO, I3 → RO
7
0
1
1
1
I2 → LO, I4 → RO
8
1
0
0
0
I3 → LO, I1 → RO
9
1
0
0
1
I3 → LO, I2 → RO
10
1
0
1
0
I3 → LO, I3 → RO
11
1
0
1
1
I3 → LO, I4 → RO
12
1
1
0
0
I4 → LO, I1 → RO
13
1
1
0
1
I4 → LO, I2 → RO
14
1
1
1
0
I4 → LO, I3 → RO
15
1
1
1
1
I4 → LO, I4 → RO
Note 1: “1” = VIH. “0” = VIL. Any state other than described in this Table places the switch into an undefined state. An undefined state will not damage the device.
Note 2: All other paths in isolation state.
RF Channel
Left Output
RF Channel
Right Output
×
20
19
LO
1
Control Voltage
Input 1
×
2
3
RF Input 1
Control Voltage
Input 2
4
5
×
18
N/C
GND
17
N/C
16
RO
15
V1
V3
N/C
N/C
GND
GND
I1
I3
V2
V4
I2
6
RF Input 2
GND
VDD
GND
7
8
9
Supply Voltage
14
Control Voltage
Input 3
×
13
12
11
RF Input 3
Control Voltage
Input 4
I4
10
RF Input 4
Blocking capacitors present on pins 4, 6, 10, 12, 16, and 20 are 330 pF.
S1640
Figure 12. Application Circuit
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DATA SHEET • SKY13293-4X2 MATRIX SWITCH
Package Dimensions
THE SKY13293-340LF 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.
The PCB layout footprint for the SKY13293-340LF is provided in
Figure 13. Typical case markings are shown in Figure 14.
Package dimensions for the 20-pin QFN are shown in Figure 15,
and tape and reel dimensions are provided in Figure 16.
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. For packaging details, refer to the Skyworks
Application Note, Discrete Devices and IC Switch/Attenuators
Tape and Reel Package Orientation, document number 200083.
Package and Handling Information
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.
20X 1.95
Pitch 0.50
Sq 2.02
(Solder Area)
5X ∅0.33
Ground Via
0.23
See Detail A
Exposed Soldering Area
0.75
Detail A
Figure 13. SKY13293-340LF PCB Layout Footprint
(Top View)
Pin 1
Indicator
Skyworks P/N
S3293
XXXX
YWW
Lot #
Date Code
Y = Calendar Year
WW Week
Figure 14. Typical Case Markings
(Top View)
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DATA SHEET • SKY13293-340LF 4X2 MATRIX SWITCH
0.008 (0.20 mm) Ref.
0.157 (4.00 mm) BSC
Seating
Plane
Pin 1
Indicator
0.02
+0.03
–0.02
0.157
(4.00 mm)
BSC
0.085 (2.15 mm)
+0.004 (0.10 mm)
–0.006 (0.15 mm)
0.029 (0.75 mm)
± 0.002 (0.05 mm)
0.042
(1.075 mm)
Exposed Pad
0.085 (2.15 mm)
+0.004 (0.10 mm)
–0.006 (0.15 mm)
0.078
(2.0 mm)
0.042
(1.075 mm)
0.078 (2.0 mm) BSC
Dimensions are in inches (millimeters shown in parentheses)
S1655
Figure 14. SKY13293-340LF 20-Pin QFN Package Dimensions
4.00 ± 0.10
2.00 ± 0.05
∅1.50 ± 0.10
Reference Pin
Indicator
1.75 ± 0.10
A
A
4.25 ± 0.10
10o Max
B
12.00 +0.30/–0.10
B
5.50 ± 0.05
8.00 ± 0.10
1.13 ± 0.10
∅1.50 ± 0.25
0.229 ± 0.02
B
10o Max
Notes:
1. Carrier tape material: black conductive polycarbonate
or polysterene
2. Cover tape material: transparent conductive PSA
3. Cover tape size: 9.3 mm width
4. All measurements are in millimeters
4.25 ± 0.10
A
S1056
Figure 15. SKY13293-340LF Tape and Reel Dimensions
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DATA SHEET • SKY13293-4X2 MATRIX SWITCH
Ordering Information
Model Name
SKY13293-340LF 0.25-2.15 GHz 4 x 2 Matrix Switch
Manufacturing Part Number
SKY13293-340LF
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