MXD8546FA
VED
APPRO
X-DPDT Switch for 0.4 to 3.8G Applications
Description
Applications
The MXD8546FA is a CMOS, Silicon-On-Insulator (SOI)
◼
Simultaneous voice and LTE systems
double-pole, double-throw (DPDT) switch. The switch
◼
Diversity Antenna switching
provides high linearity performance, low insertion loss
Features
and high isolation.
Switching is controlled by one control voltage.
◼
Broadband frequency range: 0.4 to 3.8GHz
the RF1 and RF2 pins connect to one of the two other
◼
Excellent insertion loss: 0.35dB @2.7GHz
RF port pins (RF3 or RF4) through a low insertion loss
◼
Input 0.1dB compression point: 39dBm
◼
Low harmonic generation
required on the RF path as long as no DC voltage is
◼
High ESD robustness
applied externally.
◼
Wide power supply voltage range: 1.7 to 3.3V
The MXD8546FA DPDT switch is provided in a compact
◼
Positive control voltage range: 1.5V to VDD
◼
Small, QFN (12-pin, 2 x 2 mm) package, MSL1
◼
RoHS compliant package
Depending on the logic voltage level applied to this pin,
path, while maintaining a high isolation path to the
alternate port. No external DC blocking capacitors are
Quad Flat No-Lead (QFN) 2 x 2 mm package. A
functional block diagram is shown in Figure 1. The pin
configuration and package are shown in Figure 1 too.
Signal pin assignments and functional pin descriptions
are provided in Table 1.
RF3
GND
RF2
GND
RF3
12
11
10
RF4
VDD
1
9
RF4
N/C
2
8
N/C
VCTL
3
7
RF1
RF1
4
5
6
GND
RF2
GND
Figure 1 Functional Block and Pin Diagram
Page 1 / 8
MXD8546FA Rev 1.1
This document contains information that is confidential and proprietary to Maxscend Microelectronics Company, Ltd.
(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.
Function Characteristics
X-DPDT Switch for 0.4 to 3.8G Applications
RF3
GND
11
10
1
9
2
8
3
7
RF4
100pF
N/C
N/C
RF1
100pF
GND
5
6
4
RF2
VCTL
12
GND
VDD
GND
Function Characteristics
Figure 2 Application Circuit
Table 1 Pin Descriptions
No.
Name
Description
No.
Name
Description
1
VDD
DC Power Supply
7
RF1
RF Port1
2
N/C
Not Connected
8
N/C
Not Connected
3
VCTL
DC Control Pin
9
RF4
RF Port4
4
GND
Ground
10
GND
Ground
5
RF2
RF Port2
11
RF3
RF Port3
6
GND
Ground
12
GND
Ground
Table 2 VCTL Truth Table for RF Channel Operating Mode
VCTL
RF Channel Operating Mode
High
RF3 to RF1,RF4 to RF2
Low
RF3 to RF2, RF4 to RF1
Page 2 / 8
MXD8546FA Rev1.1
Copyright @2018 Maxscend Microelectronics Company, Ltd. All rights reserved.
Maxscend Confidential
Package Information
X-DPDT Switch for 0.4 to 3.8G Applications
Electrical Characteristics
Table 3 Absolute Maximum Ratings
Parameter
Symbol
Min
Max
DC Supply Voltage
VDD
-0.3
3.6
Logic Control Voltage
VCTL
-0.3
3.6
MAX RF Input Power
PIN
37
(RF1/RF2/RF3/RF4 to GND)
PIN
39
Device Operating Temperature
TOP
-40
90
Device Storage Temperature
TSTG
-55
150
Electrostatic Discharge
VESD(HBM)
1000
(All Pins)
VESD(CDM)
500
Unit
V
dBm
Condition
TA=25℃
TA=25℃
F0=950MHz, 20% DC, ZO=50Ω, VDD=2.8V,TA=25℃
F0=950MHz, CW , ZO=50Ω, VDD=2.8V, TA=25℃
℃
V
Human Body Model
Charged Device Model
Notice
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.
Table 4 Recommended Operating Conditions
Parameter
Symbol
MIN
F0
0.4
VDD
1.7
Control Voltage High
VCTLH
Control Voltage Low
VCTLL
Operating Frequency
DC Supply Voltage
Page 3 / 8
TYP
MAX
Unit
3.8
GHz
2.8
3.3
V
1.5
1.8
VDD
V
0
0
0.3
V
MXD8546FA Rev1.1
Copyright @2018 Maxscend Microelectronics Company, Ltd. All rights reserved.
Maxscend Confidential
Package Information
X-DPDT Switch for 0.4 to 3.8G Applications
Table 5 Nominal Operating Parameters
Parameter
Symbol
Specification
MIN
Normal Condition
TYP
Unit
Condition
MAX
VDD=2.8V, VCTLH=1.8V, VCTLL=0V, PIN=0dBm, ZO=50Ω, TA=25℃, Unless Otherwise Stated
DC Performances
DC Supply Current
IDD
90
120
Current on VCTL
ICTL
1
5
uA
Timing Performances
Startup Time
TON
RF Path Switching Time
TSW
10
2
3
us
50% of VDD to 90% of RF power
50% of VCTL to 90% of RF power
RF Performances
Insertion Loss
(RF1/RF2 to RF3/RF4)
IL
Isolation
(RF1/RF2 to RF3/RF4, RF1
ISO
to RF2, RF3 to RF4)
Input Return Loss
(RF1/RF2 to RF3/RF4)
Input 0.1dB Compression
Point(RF1/RF2 to RF3/RF4)
2nd Order Harmonic
(RF1/RF2 to RF3/RF4)
3rd Order Harmonic
RL
0.26
0.30
F0=0.4 to 1.0GHz
0.30
0.35
F0=1.1 to 2.2GHz
0.35
0.40
F0=2.5 to 2.7GHz
0.42
0.50
F0=3.4 to 3.8GHz
30
33
25
30
21
25
F0=2.5 to 2.7GHz
16
18
F0=3.4 to 3.8GHz
10
15
F0=0.4 to 3.8GHz
P0.1dB
39
2F0
-95
dB
dBm
-85
F0=1.1 to 2.2GHz
F0=950MHz, 20% DC
F0=824 to 915MHz @35dBm
dBc
3F0
-95
-85
2nd Order Intermodulation
IMD2
-115
-110
3rd Order Intermodulation
IMD3
-115
-110
(RF1/RF2 to RF3/RF4)
F0=0.4 to 1.0GHz
Page 4 / 8
F0=824 to 915MHz @35dBm
dBm
Reference to Table 6
Reference to Table 7
MXD8546FA Rev1.1
Copyright @2018 Maxscend Microelectronics Company, Ltd. All rights reserved.
Maxscend Confidential
Package Information
X-DPDT Switch for 0.4 to 3.8G Applications
Table 6 IMD2 Test Conditions
Band
In-Band Frequency
CW Carrier
CW Interferer
MHz
MHz
dBm
MHz
dBm
1 Low
2140
1950
20
190
-15
1 High
2140
1950
20
4090
-15
5 Low
881.5
836.5
20
45
-15
5 High
881.5
836.5
20
1718
-15
Table 7 IMD3 Test Conditions
Band
In-Band Frequency
CW Carrier
CW Interferer
MHz
MHz
dBm
MHz
dBm
1 LOW
2140
1950
20
1760
-15
5 HIGH
881.5
836.5
20
791.5
-15
Page 5 / 8
MXD8546FA Rev1.1
Copyright @2018 Maxscend Microelectronics Company, Ltd. All rights reserved.
Maxscend Confidential
Package Information
X-DPDT Switch for 0.4 to 3.8G Applications
Package Outline Dimensions
D
A
J
B
eee C A B
R0.20
PIN 1 I.D.
e/2
1
PIN 1 CORNER
e
E
K
eee C A B
EXPOSED DIE
ATTACH PAD
aaa
12× L
C
12× b
ddd M
TOP VIEW
//
bbb
ccc
C
C A B
BOTTOM VIEW
C
C
SEATING PLANE
M
DESCRIPTION
SYM BOL
M ILLlM ETER
M IN
NOM
M AX
TOTALTHlCKNESS
A
0.51
0.55
0.60
STAND OFF
L/F THICKNESS
A1
A3
00. 0
-
0.02
0.15 Ref
0.05
-
EAD WIDTH
BODY SIZE
b
0.15
0.20
0.25
X
D
-
2.00 BSC
-
Y
E
e
-
2.00 BSC
0.50 BSC
-
X
J
0.77
0.92
1.02
Y
K
0.77
0.92
1.02
L
aaa
0.19
0.29
0.05
0.39
LEAD PITCH
EP SIZE
LEAD LENGTH
PACKAGE EDGE TOLERANCE
M OLD FLATNESS
bbb
0.10
COPLANARITY
ccc
0.10
LEAD OFFSET
EXPOSED PAD OFFSET
ddd
eee
0.05
0.08
M
A3
A
A1
Figure 3 Package Outline Dimension
Page 6 / 8
MXD8546FA Rev1.1
Copyright @2018 Maxscend Microelectronics Company, Ltd. All rights reserved.
Maxscend Confidential
Package Information
X-DPDT Switch for 0.4 to 3.8G Applications
Marking Specification
Product
Code(Fixed):
8546FA
8546
FAAA
Manufacture
Code(Variable):
From 1~9 and A ~Z
excluding letter I and O for
lot tracking
PIN1
Figure 4 Marking Specification(Top View)
Tape and Reel Dimensions
Figure 5 Tape and Reel Dimensions
Page 7 / 8
MXD8546FA Rev1.1
Copyright @2018 Maxscend Microelectronics Company, Ltd. All rights reserved.
Maxscend Confidential
Package Information
X-DPDT Switch for 0.4 to 3.8G Applications
Reflow Chart
tP
TP
Critical Zone
TL to TP
Ramp-Up
Temperature
TL
TSMAX
tL
TSMIN
Ramp-Down
tS
Preheat
t25-TP
Time
Figure 6 Recommended Lead-Free Reflow Profile
Table 8 Reflow Chart Parameters
Reflow Profile
Parameter
Preheat Temperature(TSMIN to TSMAX)
150℃ to 200℃
Preheat Time(ts)
60 to 180 Seconds
Ramp-Up Rate(TSMAX to TP)
3℃/s MAX
Time Above TL 217℃(tL)
60 to 150 Seconds
Peak Temperature(TP)
260℃
20 to 40 Seconds
Time within 5℃ of Peak Temperature(tP)
Ramp-Down Rate(TSMAX to TP)
6℃/s MAX
8 Minutes MAX
Time for 25℃ to Peak Temperature(t25-TP)
ESD Sensitivity
Integrated circuits are ESD sensitive and can be damaged by static electric charge. Proper ESD protection techniques should be
applied when devices are operating.
RoHS Compliant
This product does not contain lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls (PBB) and polybrominated
diphenyl ethers (PBDE), and is considered RoHS compliant.
Page 8 / 8
MXD8546FA Rev1.1
Copyright @2018 Maxscend Microelectronics Company, Ltd. All rights reserved.
Maxscend Confidential
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