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Tyco Electronics
Tyco Electronics

SW-485 Datasheet Preview

SW-485 Datasheet

GaAs SPDT Switch

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SW-485 pdf
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GaAs SPDT Switch
0.05 - 3.0 GHz
Features
Low Insertion Loss 0.3 dB Typ. @ 2.4 GHz
Moderate Isolation 21 dB @ 2.4 GHz
Low Power Consumption <5 µA @ +2.3V
Low Cost Plastic SOT-363 Package
Description
M/A-COM’s SW -485 is a GaAs PHEMT MMIC SPDT
switch in a low cost SC-70 (SOT-363) surface mount plas-
tic package. The SW-485 is ideally suited for applications
where very small size and low cost are required. Typical
applications are dual band systems where switching b e-
tween small signal components is required such as filter
banks, single-band LNAs, converters, etc. This part can be
used for low power, low loss requirements in the all sys-
tems operating up to 3 GHz, including PCS, GSM, DCS,
Blue Tooth, and other Rx chain applications.
The SW -485 is fabricated using a 0.5 micron gate length
GaAs PHEMT process. The process features full passiv a-
tion for performance and reliability.
Handling Procedures
The following precautions should be observed to avoid
damage:
Static Sensitivity
Gallium Arsenide Integrated Circuits are ESD sensitive and
can be damaged by static electricity. Proper ESD tech-
niques should be used when handling these devices.
Functional Schematic
C=39pF
V1
RFC
V2
RF1
PIN 1
GND
C=39pF
RF2
C=39pF
Pin Configuration
Pin No.
Function
1 RF1
2 GND
3 RF2
4 V2
5 RFC
6 V1
Description
RF Port 1
Ground
RF Port 2
Control 2
RF Input
Control 1
Absolute Maximum Ratings 1
Parameter
Max Input Power (0.5 - 3.0 GHz)
3 V Control
5 V Control
Operating Voltage
Operating Temperature
Storage Temperature
Absolute
Maximum
+32 dBm
+34 dBm
+8.5 volts
-40 °C to +85 °C
-65 °C to +150 °C
1. Exceeding any one or combination of these limits may
cause permanent damage.
Truth Table 2
Mode
(Control)
Positive 1
Control Control RFC- RF1 RFC-RF2
V1 V2
0 ± 0.2V +2.3 to +5V On
+2.3 to +5V 0 ± 0.2V
Off
Off
On
2. External DC blocking capacitors are required on all RF
ports.



Tyco Electronics
Tyco Electronics

SW-485 Datasheet Preview

SW-485 Datasheet

GaAs SPDT Switch

No Preview Available !

SW-485 pdf
GaAs SPDT Switch 0.05—3.0 GHz
SW-485
Electrical Specifications: TA = 25°C, Z0 = 50 3
Parameter
Test Conditions
Insertion Loss
0.05-1.0 GHz
0.05-3.0 GHz
Isolation
0.05-1.0 GHz
0.05-3.0 GHz
VSWR
0.05-3.0 GHz
Units
dB
dB
dB
dB
dB
Min
20
20
Typ
0.25
0.35
23
21
1.1:1
Max
0.4
0.55
1.2:1
IP2
Two Tone +5 dBm, 5 MHz Spacing, >50 MHz
dBm
90
IP3
Two Tone +5 dBm, 5 MHz Spacing, >50 MHz
dBm
46
P1dB
Trise, Tfall
Vc = 0.2V/2.5V
Vc = 0.2V/3.0V
10% to 90% RF and 90% to 10% RF
dBm
dBm
nS
21
25
35
Ton, Toff
Transients
nS 40
mV 10
3. Insertion Loss can be optimized by varying the DC Blocking Capacitor value, i.e. 1000 pF for 100 MHz—1GHz, 39 pF for
0.5 GHz—3 GHz.
SC-70 (SOT-363) Plastic Package 4
D
PIN
6
ee
A
E1
PIN
1
A
A2
EL
c
A1
b
4. All dimensions are JEDEC MO-203-AB Issue A and are
shown as in/mm.
Dim Measurement (mm)
Min. Nom. Max.
A-
- 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. -
Ordering Information
Part Number
SW-485
SW-485TR-3000
SW-485SMB
Package
SC-70 (SOT-363) Plastic Package
Forward Tape and Reel, 3000 pcs
Sample Board
Specifications subject to change without notice.
n North America: Tel. (800) 366-2266
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


Part Number SW-485
Description GaAs SPDT Switch
Maker Tyco Electronics
Total Page 3 Pages
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