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SW-311_ Datasheet PDF : 4 Pages
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Application Note
S2079
Drivers for GaAs FET Switches and Digital Attenuators
Rev. V5
Additional Notes:
Application Note M537, GaAs MMIC Based Control
Components with Integral Drivers defines performance
parameters for switches and attenuators.
1. See Application Note M517, MASW6010 GaAs
SPDT Switch Performance and Driver Circuit
Techniques for additional information on designing
with the SWD-109 and SWD-119 drivers.
2. For pin assignments and supply voltages for the
SWD-109 and SWD-119 single/quad drivers, see
the SWD-109/119 data sheet, available on the M/A-
COM web site at www.macom.com.
3. See Application Note M521, Positive Voltage Control
of GaAs MMIC Control Devices for more information
on floating attenuators above ground potential.
4. See Application Note M539, Drivers for GaAs MMIC
Switches and Digital Attenuators for more
information on compression and intermodulation
distortion and the operation of the SW-109 and
SWD-119 drivers.
5. See manufacturers' data sheets and application
notes for additional information on digital logic IC's.
6. Please contact your M/A-COM sales
representative for information on the latest
switches and attenuators.
Dual Control Negative Bias
Part No.
SW-212
SW-214
SW-226
Type
Package
SPST
SPST terminated
SPDT terminated
FP-13
FP-13
CR-2
Switching
Speed
6 ns
6 ns
6 ns
SW-227
SPDT
CR-2
6 ns
SW-239
SPDT
SOIC-8
4 ns
SW-259 SPST terminated SOIC-8
8 ns
SW-276
SPDT
CR-2
35 ns
SW-279
SPDT
SOIC-8
35 ns
SW-289
SP4T
SOIC-14
6 ns
SW-337, 338
SW-3911
SW-3921
SW-3951
SPDT terminated
SPDT
SPDT
SPDT
SOIC-8
SOT-26
SOT-26
SOT-26
10 ns
42 ns
20 ns
8 ns
SW-419
SW-4251
SP4T
SPDT
SOIC-24
SOT-26
16 ns
~ 20 ns
SW-437
SW-439*
SPDT
SPDT
SOT-363
MSOP-10
~ 8 ns
~ 34 ns
1. Contains no shunt FET’s, hence can operate with positive
control voltages without ground pull-up components if
provided with DC blocking capacitors on all RF lines.
Appendix
Popular M/A-COM GaAs FET switches
In the following tables, switching speed is the time from
the 50 percent point of the control voltage rise or fall to
the occurrence of 90 percent (on) or 10 percent (off) of
the switched RF level.
Dual Positive Control, Requires Positive Supply
(Includes pull-up components on-chip)
Part Number Type
Package
SW-277
SW-349
SW-394
SW-399
SPDT
SPST terminated
SPDT
SPST
SOIC-8
SOIC-8
SOIC-8
SOT-26
Switching
Speed
35 ns
2 μs
36 μs
110 μs
Single Control, Integral Driver, Requires
Positive And Negative Supplies
Part Number
Type
Package
SW05-0311 SPST, TTL/CMOS in CR-9
SW10-0312 SPDT, TTL/CMOS in CR-9
SW10-0313 SPDT, TTL/CMOS in CR-9
SW65-0014 SPST, TTL/CMOS in SOIC-24
SW65-0114 SPST, TTL/CMOS in SOIC-24
SW65-0214 SP3T, TTL/CMOS in SOIC-24
SW65-0313 SP2T, TTL/CMOS in SOIC-16
SW65-0314 SP4T, TTL/CMOS in SOIC-24
SW65-0440
SP4T, absorptive,
TTL/CMOS in
QSOP-24
SW-110 SPDT, TTL/CMOS in CR-9
SW-311 SPST, TTL.CMOS in CR-9
SW-312 SPDT, TTL/CMOS in CR-9
SW-313 SPD, TTL/CMOS in CR-9
SW-335 SPDT, TTL /CMOS in SOIC-8
SW-224
SPDT, TTL in
TO-5-4
SW- 225
SPDT, TTL in
FP-13
Switching
Speed
150 ns
150 ns
150 ns
50 ns
50 ns
50 ns
50ns
50 ns
50 ns
35 ns
12 ns
7 ns
18 ns
200 ns
150 ns
150 ns
Single Control, Integral Driver, Positive Supply
Part Number
Type
Package
SW-205
SW-206
SW-215
SW-216
SW-217
SW-233
SW-236
SPDT, TTL in
SPDT, CMOS in
SPST, TTL in
SPDT, CMOS in
SPDT, TTL in
SPDT, TTL in
SPDT, CMOS in
DI-1
DI-1
DI-1
DI-1
DI-1
FP-16
FP-16
Switching
Speed
20 ns
40 ns
20 ns
40 ns
20 ns
20 ns
40 ns
4
Visit www.macomtech.com for additional data sheets and product information.
M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make
changes to the product(s) or information contained herein without notice.
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