MXD8651
SP5T Switch for Receive Diversity
VED
APPRO
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(Maxscend) and may not be reproduced in any form without express written consent of Maxscend. No
transfer or licensing of technology is implied by this document.
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MXD8651 – SP5T Switch for Receive Diversity
General Description
Features
The MXD8651 is a low loss, high isolation SP5T
Excellent insertion loss and isolation
performance
switch with performance optimized for receive
- 0.5 dB Typical Insertion Loss, Band 7
diversity routing applications.
- 25 dB typical Isolation, Band 7
The MXD8651 is compatible with +1.0V control
logic, which is a key requirement for most cellular
transceivers. This part is packaged in a compact
2mm x 2mm x 0.55 mm, 14-pin, QFN package
which allows for a small solution size with no need
for external DC blocking capacitors (when no
Multi-Band operation 700MHz to 2700MHz
GPIO compatible to 1.8V Typ (1.0V min)
Power handling +30dBm
Compact 2mm x 2mm x 0.55 mm, in QFN
package,MSL1
external DC is applied to the device ports).
No DC blocking capacitors required (unless
external DC is applied to the RF ports)
Applications
Cellular Handset Applications
Cellular modems and USB Devices
Multi-mode GSM/Edge/WCDMA applications
LTE applications
GND
RF3
RF2
RF1
Functional Block Diagram and Pin Function
14
13
12
11
RF1
RF2
V3
1
V2
2
V1
3
ANT
RF3
Ground
Paddle
6
7
RF5
RF4
V3
5
V2
GND
VDD V1
4
RF5
VDD
RF4
10
GND
9
ANT
8
GND
Figure 1. Functional Block Diagram and Pinout (Top View)
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MXD8651 – SP5T Switch for Receive Diversity
Application Circuit
RF2
RF1
RF1
RF2
RF3
GND
RF3
V2
ANT
V1
GND
C1
100pF
C3
C2
100pF 100pF
VDD
C4
100pF
GND
ANT
RF4
V1
RF5
V2
GND
V3
VDD
V3
RF4
RF5
Figure 2. MXD8651 Evaluation Board Schematic
Table 1. Pin Description
Pin No. Nam
Description
e
1
V3
Control Logic #3
2
V2
Control Logic #2
3
V1
Control Logic #1
4
VDD
Power supply
5
GND Ground
6
RF5
RF port5
7
RF4
RF port4
Ground
GND Ground
Paddle
Pin No.
Name
Description
8
9
10
11
12
13
14
GND
ANT
GND
RF1
RF2
RF3
GND
Ground
Antenna
Ground
RF port1
RF port2
RF port3
Ground
Note: Bottom ground paddles must be connected to ground.
Truth Table
Table 2.
Control pins
V1
1
0
1
0
1
V2
0
1
1
0
0
V3
0
0
0
1
1
Switched RF Outputs
RF1
Insertion Loss
Isolation
Isolation
Isolation
Isolation
RF2
Isolation
Insertion Loss
Isolation
Isolation
Isolation
RF3
Isolation
Isolation
Insertion Loss
Isolation
Isolation
RF4
Isolation
Isolation
Isolation
Insertion Loss
Isolation
RF5
Isolation
Isolation
Isolation
Isolation
Insertion Loss
Note: “1” = 1.0 V to 3.0 V. “0” = 0 V to 0.3 V. Insertion loss in the V1/2/3 = 110 state is 3dB lower than typical insertion loss with
only one arm “on”.
Page 3 of 7
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MXD8651 – SP5T Switch for Receive Diversity
Recommended Operation Range
Table 3. Recommended Operation Condition
Parameters
Operation Frequency
Power supply
Switch Control Voltage High
Switch Control Voltage Low
Symbol
Min
Typ
Max
f1
VDD
VH
VL
0.1
2.5
1.0
0
2.8
1.8
0
3.0
3.3
3.0
0.3
Units
Units
Test Condition
(Note 2)
GHz
V
V
V
Specifications
Table 4. Electrical Specifications
Parameter
Symbol
Min.
Specification
Typical
Max.
DC Specifications
Supply voltage
VDD
Supply current
Control voltage:
High
Low
Control current
Switching Speed, on RF
to another
IDD
2.8
3.3
V
50
90
μA
3.0
0.3
5
V
V
μA
2
5
μs
10% to 90% RF
ton
5
10
μs
Time from VDD=0V to part
ON and RF at 90%
IL
0.40
0.40
0.50
0.50
0.55
dB
dB
dB
dB
dB
704MHz to 787MHz
815MHz to 960MHz
1710MHz to 1980MHz
2110MHz to 2170MHz
2300MHz to 2690MHz
dB
dB
dB
dB
dB
704MHz to 787MHz
815MHz to 960MHz
1710MHz to 1980MHz
2110MHz to 2170MHz
2300MHz to 2690MHz
VCTL_H
VCTL_L
ICTL
Turn-on time
2.5
1.0
0
Active mode
VDD must be > VCTL at all
times
RF Specifications
Insertion Loss
Insertion Loss TRx ANT
Isolation
Isolated TRx ports ANT
ISO
Harmonics (Pin =+16 dBm)
Low Band, 2fo
Low Band, 3fo
High Band, 2fo
High Band, 3fo
High Band, 2fo
High Band, 3fo
VSWR
2fo
3fo
45
45
35
30
25
-110
dBc
-105
dBc
-105
dBc
-100
dBc
-100
dBc
-100
dBc
1.1
1.5
Pin = +16dBm, 50ohms,
fo=824MHz
Pin = +16dBm, 50ohms,
fo=824MHz
Pin = +16dBm, 50ohms,
fo=1980MHz
Pin = +16dBm, 50ohms,
fo=1980MHz
Pin = +16dBm, 50ohms,
fo=2570MHz
Pin = +16dBm, 50ohms,
fo=2570MHz
704-2690MHz
Page 4 of 7
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MXD8651 – SP5T Switch for Receive Diversity
Absolute Maximum Ratings
Table 5. Maximum ratings
Parameters
Supply voltage
Control voltage (V1,
V2, and V3)
RF input power (RF1
to RF5)
Operating temperature
Storage temperature
Electrostatic
Discharge, Human
Body Model (HBM),
Class 1C
Symbol
Minimum
Maximum
Units
VDD
2.5
+3.3
V
VCTL
0
+3.0
V
+30
dBm
+85
+125
℃
℃
1000
V
PIN
TOP
TSTG
–20
–40
ESD
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
Package Outline Dimension
Figure 3. package outline dimension
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MXD8651 – SP5T Switch for Receive Diversity
Marking Specification
Product Code(Fixed):
8651
ABCD
8651
Manufacture Code(Variable):
From 1~9 and A ~Z
excluding letter "I" and "O"
for lot tracking
Pin 1
Figure 4. Marking specification (Top View)
Tape and Reel Dimensions
Figure 5. Tape and reel dimensions
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MXD8651 – SP5T Switch for Receive Diversity
Reflow Chart
tP
TP
Critical Zone
TL to TP
Ramp-up
Temperature
TL
TSmax
tL
TSmin
Ramp-down
tS
Preheat
t 25 ℃ to Peak
Time
Figure 6. Recommended Lead-Free Reflow Profile
Table 6. Reflow condition
Profile Parameter
Ramp-up rate(TSmax to Tp)
Preheat temperature(TSmin to TSmax)
Preheat time(ts)
Time above TL , 217℃(tL)
Peak temperature(Tp)
Time within 5℃ of peak temperature(tp)
Ramp-down rate
Time 25℃ to peak temperature
Lead-Free Assembly, Convection, IR/Convection
3℃/second max.
150℃ to 200℃
60 - 180 seconds
60 - 150 seconds
260℃
20 - 40 seconds
6℃/second max.
8 minutes max.
ESD Sensitivity
Integrated circuits are ESD sensitive and can be damaged by static electric charge. Proper ESD
protection techniques should be used when handling these devices.
RoHS Compliant
This product does not contain lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls
(PBB) and polybrominated diphenyl ethers (PBDE), and are considered RoHS compliant.
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