GaAs IC SPDT Switch
Non-Reflective DC–2.5 GHz
AS338-12
Features
■ Low DC Power Consumption
SOIC-8
PIN 8
0.050 (1.27 mm) BSC
■ High Isolation (40 dB @ 0.9 GHz)
■ Non-Reflective
0.244 (6.20 mm)
0.228 (5.80 mm)
PIN 1
INDICATOR
Description
0.020 (0.51 mm) MAX.
PIN 1
The AS338-12 is a low cost IC FET SPDT non-reflective
switch in a plastic SOIC-8 package for commercial
applications. The switch operates with -5, 0 V or 0, +5 V
when “floated” as shown on the following page. This
general purpose SPDT switch is used in various tele-
communications applications.
0.016 MAX.
(0.41 mm) x
45˚ CHAMFER
0.049
(1.24 mm)
0.016
0.068
(1.73 mm) MAX.
(0.41 mm)
8˚
MAX.
0.197 (5.00 mm)
0.189 (4.80 mm)
0.158 (4.00 mm)
0.150 (3.80 mm)
0.010 (0.25 mm)
0.007 (0.17 mm)
0.010 (0.25 mm)
0.004 (0.10 mm)
Electrical Specifications at 25°C (0, -5 V)
1
2
Parameter
Frequency
Min.
Typ.
Max.
Unit
3
Insertion Loss
DC–0.5 GHz
DC–1.0 GHz
DC–2.0 GHz
DC–2.5 GHz
0.5
0.6
0.7
1.2
0.7
0.8
0.9
1.4
dB
dB
dB
dB
Isolation
DC–0.5 GHz
DC–1.0 GHz
DC–2.0 GHz
DC–2.5 GHz
43
36
27
23
46
39
30
26
dB
dB
dB
dB
4
VSWR
DC–0.5 GHz
DC–1.0 GHz
DC–2.5 GHz
1.2:1
1.2:1
1.3:1
1.3:1
1.4:1
1.5:1
Operating Characteristics at 25°C (0, -5 V)
Parameter
Condition
Frequency
Min.
Typ.
Max.
Unit
5
Switching Characteristics
Rise, Fall (10/90% or 90/10% RF)
On, Off (50% CTL to 90/10% RF)
Video Feedthru
8
30
25
ns
ns
mV
Input Power For 1 dB Compression
Intermodulation Intercept Point
Control Voltages
0.50–2.5 GHz
0.05 GHz
+28
+23
dBm
dBm
For Two-tone Input Power +5 dBm
VLow = 0 to 0.2 V @ 20 µA Max.
0.50–2.5 GHz
0.05 GHz
+46
+40
dBm
dBm
VHigh = -5 V @ 50 µA to -8 V @ 200 µA Max.
1. All measurements made in a 50 Ω system, unless otherwise specified.
2. DC = 300 kHz.
3. Insertion loss changes by 0.003 dB/°C.
4. Input/output.
5. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth.
Skyworks Solutions, Inc. [781] 376-3000 • Fax [781] 376-3100 • Email sales@skyworksinc.com • www.skyworksinc.com
1
Specifications subject to change without notice. 10/99A