MA-COM SW-456

SW-456
GaAs SPDT Switch
DC - 3.0 GHz
Features
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Functional Schematic
Low Cost Plastic SC-70 (SOT-363) Package
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
Positive Control Voltage
PIN 1
V1
RF1
Description
1000 pF
M/A-COM’s SW-456 is a GaAs monolithic switch in a low
cost SC-70 (SOT-363) surface mount plastic package. The
SW-456 is ideally suited for applications where very low
power consumption, low insertion loss, very small size and
low cost are required. Typical application is in dual band
systems where switching between small signal components
is required such as filter banks, single-band LNA’s,
converters, etc. The SW-456 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 SW-456 is fabricated using a mature 0.8 micron GaAs
MESFET process. The process features full passivation for
performance and reliability.
RFC
GND
1000 pF
RF2
V2
1000 pF
Functional Schematic
Negative Control Voltage
PIN 1
Handling Procedures
The following precautions should be observed to avoid
damage:
V1
RF1
RFC
GND
Static Sensitivity
Gallium Arsenide Integrated Circuits are ESD sensitive
and can be damaged by static electricity. Proper ESD
techniques should be used when handling these devices.
V2
RF2
PIN Configuration
Truth Table
PIN
1
Function
RF1
2
GND
RF Ground
3
RF2
RF In/Out
Mode
(Control)
V1
V2
RFC RF1
RFC RF2
Positive1
0 ± 0.2 V
+2.3 to +8 V
Off
On
+2.3 to +8 V
0 ± 0.2 V
On
Off
4
V2
0 ± 0.2 V
-2.3 V to –8 V
On
Off
5
RFC
6
V1
Negative2
-2.3 V to -8 V
0 ± 0.2 V
Off
On
1. 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.
2. If negative control is used, DC blocking capacitors are not
required on RF ports.
Description
RF In/Out
VCTRL2
RF Common
VCTRL1
GaAs SPDT Switch, DC - 3.0 GHz
SW-456
V 2.00
Electrical Specifications:
Parameter
Insertion Loss
Isolation
TA = 25 °C, VCTL = 0, -2.3 volts (unless otherwise specified)
Test Conditions
Units
Min.
Typ.
Max.
DC - 1 GHz
dB
0.35
0.5
1 - 2 GHz
dB
0.45
0.6
2 - 3 GHz
dB
0.56
0.8
DC - 1 GHz
dB
20
22
1 - 2 GHz
dB
15
17
2 - 3 GHz
dB
10
12
VSWR
DC - 3 GHz
1.2:1
P1dB (2.3V supply)
500 MHz - 3 GHz
dBm
21
P1dB (3V supply)
500 MHz - 3 GHz
dBm
27
Input IP2
2-Tone 900 MHz, 5 MHz spacing (3.0 V)
dBm
81
Input IP3
2-Tone 900 MHz, 5 MHz spacing (3.0 V)
dBm
52
TRISE, TFALL
10% to 90% RF, 90% to 10% RF
ns
25
TON, TOFF
50% Control to 90% RF, Control to 10% RF
ns
25
Transients
In-Band
mV
25
Gate Leakage
VCTL = 2.3 V
µA
4
1.4:1
15
Absolute Maximum Ratings1
Parameter
Absolute Maximum
Max Input Power (0.5 - 3.0 GHz)
+30 dBm
3 V Control
5 V Control
Operating Voltage
+33 dBm
Operating Temperature
+8.5 volts
-40 °C to +85 °C
Storage Temperature
-65 °C to +150 °C
1. Exceeding any one or combination of these limits may cause
permanent damage.
Specifications subject to change without notice.
n North America: Tel. (800) 366-2266, Fax (800) 618-8883
n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298
n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
Visit www.macom.com for additional data sheets and product information.
2
GaAs SPDT Switch, DC - 3.0 GHz
SW-456
V 2.00
Typical Performance Curves (Cont’d)
Insertion Loss vs. Frequency Over
Temperature
VSWR Over Temperature
0.0
2.0
-0.1
1.9
-0.2
1.8
+85°C
-0.3
1.7
-0.4
1.6
1.5
-0.5
+25°C
-0.6
1.4
-40°C
1.3
-0.7
1.2
-0.8
+85°C
1.1
-0.9
1.0
-1.0
0.0
0.5
1.0
1.5
2.0
2.5
0.0
3.0
+25°C
-40°C
0.5
1.0
1.5
2.0
2.5
3.0
FREQUENCY (GHz)
FREQUENCY (GHz)
Insertion Loss vs. Frequency
(+2.3 V Control, 1000 pF Capacitor
on RF Ports)
Isolation vs. Frequency Over
Temperature
-10.0
0.0
-0.1
-15.0
-0.2
-0.3
-20.0
-0.4
-0.5
-25.0
0
-0.6
-0.7
-30.0
-0.8
-35.0
-0.9
-1.0
-40.0
0.0
0.0
0.5
1.0
1.5
2.0
2.5
0.5
3.0
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)
VSWR vs. Frequency (+2.3 V Control,
1000 pF Capacitor on RF Ports)
-10.0
2.0
-15.0
1.9
1.8
-20.0
1.7
-25.0
1.6
-30.0
1.5
-35.0
1.4
1.3
-40.0
1.2
-45.0
1.1
1.0
-50.0
0.0
0.5
1.0
1.5
2.0
2.5
FREQUENCY (GHz)
Specifications subject to change without notice.
n North America: Tel. (800) 366-2266, Fax (800) 618-8883
n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298
n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
Visit www.macom.com for additional data sheets and product information.
3.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
FREQUENCY (GHz)
3
GaAs SPDT Switch, DC - 3.0 GHz
SW-456
V 2.00
SC-70 (SOT-363) Plastic Package1
SOT-26
Dim
D
PIN 6
e
A
A
e
E
E1
L
PIN 1
c
A
A1
A2
Min.
-
Measurement (mm)
Nom.
Max.
1.10
A1
0
-
0.10
A2
0.70
0.90
1.00
b
0.15
-
0.30
c
0.08
-
0.25
D
-
2.00 basic
-
e
-
0.65 basic
-
E
-
2.10 basic
-
E1
-
1.25 basic
-
L
-
0.42 ref.
-
b
1. All dimensions are JEDEC MO-203-AB Issue A and are
shown as in/mm.
Ordering Information
Part Number
Package
SW-456 PIN
SC-70 (SOT-363) Plastic Package
SW-456TR
Forward Tape and Reel1
SW-456TR 3000
3000 Tape and Reel1
SW-456SMB
Sample Board
1. If specific reel size is required, consult factory for part
number assignment.
Specifications subject to change without notice.
n North America: Tel. (800) 366-2266, Fax (800) 618-8883
n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298
n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
Visit www.macom.com for additional data sheets and product information.
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