RoHS
Compliant
GaAs SPDT Switch
DC - 3.0 GHz
Features
•
•
•
•
•
•
•
•
Low Insertion Loss: < 0.3 dB @ 900 MHz
Low Power Consumption: < 15 µA @ -2.3 Volts
Positive or Negative 2.3 to 8 Volt Control
Lead-Free SC-70 (SOT-363) Package
100% Matte Tin Plating over Copper
Halogen-Free “Green” Mold Compound
260°C Reflow Compatible
RoHS* Compliant version of SW-456
MASW-007221
V1
Functional Schematic:
Positive Control Voltage
PIN 1
RF1
1000 pF
GND
RFC
1000 pF
RF2
V
CTL
2
V
CTL
1
Description
M/A-COM’s MASW-007221 is a GaAs monolithic
switch in a lead-free SC-70 (SOT-363) surface
mount plastic package. The MASW-007221 is
ideally suited for applications where very low power
consumption, low insertion loss, very small size, and
low cost are required. Typical applications are in
dual band systems where switching between small
signal components is required, i.e. filter banks,
single-band LNA’s, converters, etc.
The MASW-007221 can be used in applications up
to 0.25 watts in systems such as cellular, PCS,
DCS1800, GSM, CDMA, W-CDMA and other
analog / digital wireless communication systems.
The MASW-007221 is fabricated using a mature 0.5
micron PHEMT process. The process features full
passivation for performance and reliability.
1000 pF
Functional Schematic:
Negative Control Voltage
PIN 1
RF1
V
CTL
1
GND
RFC
RF2
V
CTL
2
Pin Configuration
PIN
1
2
3
4
5
6
Function
RF1
GND
RF2
V
CTL
2
RFC
V
CTL
1
Description
RF In/Out
RF Ground
RF In/Out
Voltage Control 2
RF Common
Voltage Control 1
Ordering Information
Part Number
MASW-007221-000000
MASW-007221-TR3000
1
Package
Bulk Packaging
3000 piece reel
Absolute Maximum Ratings
2,3
Parameter
Input Power (0.5 - 3.0 GHz)
3 V Control
5 V Control
Operating Voltage
Operating Temperature
Storage Temperature
2.
3.
Absolute Maximum
+30 dBm
+33 dBm
+8.5 volts
-40°C to +85°C
-65°C to +150°C
1. Reference Application Note M513 for reel size information.
Exceeding any one or combination of these limits may cause
permanent damage to this device.
M/A-COM does not recommend sustained operation near
these survivability limits.
1
* Restrictions on Hazardous Substances, European Union Directive 2002/95/EC.
M/A-COM Inc. and its affiliates reserve the right to make changes to the
product(s) or information contained herein without notice. M/A-COM makes
no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose, nor does M/A-COM assume any liability
whatsoever arising out of the use or application of any product(s) or
information.
•
North America
Tel: 800.366.2266 / Fax: 978.366.2266
•
Europe
Tel: 44.1908.574.200 / Fax: 44.1908.574.300
•
Asia/Pacific
Tel: 81.44.844.8296 / Fax: 81.44.844.8298
Visit www.macom.com for additional data sheets and product information.
RoHS
Compliant
GaAs SPDT Switch
DC - 3.0 GHz
MASW-007221
V1
Electrical Specifications: T
A
= 25°C, V
CTL
= 0, -2.3 volts
(unless otherwise specified)
, Z
0
= 50
Ω
4
Parameter
Insertion Loss
5
Test Conditions
DC - 1 GHz
1 - 2 GHz
2 - 3 GHz
DC - 1 GHz
1 - 2 GHz
2 - 3 GHz
DC - 3 GHz
500 MHz - 3 GHz
500 MHz - 3 GHz
2-Tone 900 MHz, 5 MHz spacing (3.0 V)
2-Tone 900 MHz, 5 MHz spacing (3.0 V)
10% to 90% RF, 90% to 10% RF
50% Control to 90% RF, Control to 10% RF
In-Band
V
CTL
= -2.3 V
Units
dB
dB
dB
dB
dB
dB
Ratio
dBm
dBm
dBm
dBm
ns
ns
mV
µA
Min.
—
—
—
20
15
10
—
—
—
—
—
—
—
—
—
Typ.
0.35
0.45
0.56
22
17
12
1.2:1
21
27
81
52
25
25
25
4
Max.
0.5
0.6
0.8
—
—
—
1.4:1
—
—
—
—
—
—
—
15
Isolation
V
SWR
P
1dB
(2.3V supply)
P
1dB
(3V supply)
Input IP
2
Input IP
3
Trise, Tfall
Ton, Toff
Transients
Control Current
4.
5.
External DC blocking capacitors are required on all RF ports when using positive voltage control.
Insertion loss can be optimized by varying the DC blocking capacitor value, e.g. 1000 pF for 100 MHz - 1 GHz, 39 pF for 0.5 GHz - 3 GHz.
Truth Table
Mode
(Control)
Positive
6
Lead-Free
SC-70 (SOT-363)
†
V1
V2
+2.3 to +8 V
0 ± 0.2 V
-2.3 V to -8 V
0 ± 0.2 V
RFC -
RF1
Off
On
On
Off
RFC -
RF2
On
Off
Off
On
0 ± 0.2 V
+2.3 to +8 V
Negative
7
0 ± 0.2 V
-2.3 V to -8 V
6.
7.
External DC blocking capacitors are required on all RF
ports. 1000 pF capacitors used for positive control voltage.
For higher frequency operation, smaller value DC blocking
capacitors can be substituted.
If negative control is used, DC blocking capacitors are not
required on RF ports.
Qualification
Qualified to M/A-COM
Process Flow –2.
specification
REL-201,
†
Handling Procedures
Please observe the following precautions to avoid
damage:
Reference Application Note M538 for lead-free solder reflow
recommendations.
Static Sensitivity
Gallium Arsenide Integrated Circuits are sensitive to
electrostatic discharge (ESD) and can be damaged
by static electricity. Proper ESD control techniques
should be used when handling these devices.
2
M/A-COM Inc. and its affiliates reserve the right to make changes to the
product(s) or information contained herein without notice. M/A-COM makes
no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose, nor does M/A-COM assume any liability
whatsoever arising out of the use or application of any product(s) or
information.
•
North America
Tel: 800.366.2266 / Fax: 978.366.2266
•
Europe
Tel: 44.1908.574.200 / Fax: 44.1908.574.300
•
Asia/Pacific
Tel: 81.44.844.8296 / Fax: 81.44.844.8298
Visit www.macom.com for additional data sheets and product information.
RoHS
Compliant
GaAs SPDT Switch
DC - 3.0 GHz
Typical Performance Curves
Insertion Loss vs. Frequency Over Temperature
VSWR Over Temperature
MASW-007221
V1
0.0
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
-0.7
-0.8
-0.9
-1.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
+25°C
-40°C
+85°C
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.0
-40°C
0.5
1.0
1.5
2.0
2.5
3.0
+85°C
+25°C
FREQUENCY (GHz)
FREQUENCY (GHz)
Isolation vs. Frequency Over Temperature
Insertion Loss vs. Frequency
(+2.3 V Control, 1000 pF Capacitor on RF Ports)
0.0
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
-0.7
-0.8
-0.9
-1.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0
-10.0
-15.0
-20.0
-25.0
-30.0
-35.0
-40.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
FREQUENCY (GHz)
FREQUENCY (GHz)
Isolation vs. Frequency
(+2.3 V Control, 1000 pF Capacitor on RF Ports)
-10.0
-15.0
-20.0
-25.0
-30.0
-35.0
-40.0
-45.0
-50.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
VSWR vs. Frequency
(+2.3 V Control, 1000 pF Capacitor on RF Ports)
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
FREQUENCY (GHz)
FREQUENCY (GHz)
3
M/A-COM Inc. and its affiliates reserve the right to make changes to the
product(s) or information contained herein without notice. M/A-COM makes
no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose, nor does M/A-COM assume any liability
whatsoever arising out of the use or application of any product(s) or
information.
•
North America
Tel: 800.366.2266 / Fax: 978.366.2266
•
Europe
Tel: 44.1908.574.200 / Fax: 44.1908.574.300
•
Asia/Pacific
Tel: 81.44.844.8296 / Fax: 81.44.844.8298
Visit www.macom.com for additional data sheets and product information.
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