ETC ASC02M2-12

GaAs IC SPDT Switch Non-Reflective
DC–2.5 GHz
ASC02M2-12
Features
SOIC-8
■ High Isolation (35 dB @ 0.9 GHz)
PIN 8
0.050 (1.27 mm) BSC
■ Low DC Power Consumption
■ 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 ASC02M2-12 is a low cost IC FET SPDT nonreflective switch in a plastic SOIC-8 package. 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 telecommunications applications.
0.068
(1.73 mm) MAX.
0.197 (5.00 mm)
0.189 (4.80 mm)
0.010 (0.25 mm)
0.004 (0.10 mm)
0.016 MAX.
(0.41 mm) x
45˚ CHAMFER
0.049
(1.24 mm)
0.016
(0.41 mm)
0.158 (4.00 mm)
0.150 (3.80 mm)
0.010 (0.25 mm)
0.007 (0.17 mm)
8˚
MAX.
Electrical Specifications at 25°C (0, -5 V)
Parameter1
Insertion
Frequency2
Loss3
DC–0.5
DC–1.0
DC–2.0
DC–2.5
GHz
GHz
GHz
GHz
Isolation
DC–0.5
DC–1.0
DC–2.0
DC–2.5
GHz
GHz
GHz
GHz
VSWR4
DC–0.5 GHz
DC–2.0 GHz
DC–2.5 GHz
Min.
37
32
24
18
Typ.
Max.
Unit
0.7
0.8
1.1
1.2
0.8
1.0
1.2
1.4
dB
dB
dB
dB
40
35
26
22
dB
dB
dB
dB
1.3:1
1.5:1
1.7:1
1.4:1
1.6:1
1.8:1
Typ.
Max.
Operating Characteristics at 25°C (0, -5 V)
Parameter
Switching Characteristics5
Condition
Frequency
Rise, Fall (10/90% or 90/10% RF)
On, Off (50% CTL to 90/10% RF)
Video Feedthru
Input Power for 1 dB Compression
Min.
Unit
3
6
15
ns
ns
mV
0.5–2.0 GHz
+23
dBm
0.5–2.0 GHz
+40
dBm
Intermodulation Intercept Point (IP3)
For Two-tone Input Power +13 dBm
Control Voltages
VLow = 0 to -0.2 V @ 20 µA Max.
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. Insertion loss state.
5. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth.
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com
Specifications subject to change without notice. 3/99A
1
GaAs IC SPDT Switch Non-Reflective DC–2.5 GHz
ASC02M2-12
Typical Performance Data (0, -5 V)
1.4
70
1.2
60
+85˚C
50
dB
dB
1.0
0.8
40
-40˚C
0.6
30
20
0.4
1.0
2.0
1.0
3.0
2.0
3.0
Frequency (GHz)
Frequency (GHz)
Insertion Loss vs. Frequency
Isolation vs. Frequency
2.0
Absolute Maximum Ratings
Characteristic
1.8
Value
RF Input Power
2 W > 500 MHz 0/-8 V
0.5 W @ 50 MHz 0/-8 V
Control Voltage
+0.2 V, -8 V
1.6
1.4
Operating Temperature
-40°C to +85°C
Storage Temperature
-65°C to +150°C
ΘJC
1.2
25°C/W
Note: Exceeding these parameters may cause irreversible damage.
1.0
1.0
2.0
3.0
Pin Out
Frequency (GHz)
VSWR vs. Frequency
VS
CBL
CBL
Negative Operation
Isolation
0
-5
Isolation
Insertion Loss
GND
V1
V2
J1–J2
J1–J3
0
VHigh
Insertion Loss
Isolation
VHigh
0
Isolation
Insertion Loss
CBP
50
CBP
5
J1–J3
Insertion Loss
6
J1–J2
0
4
V2
-5
V1
3
V1
Positive Operation
External components shown are for positive voltage operation only.
CBL = 100 pF, CBP = 1000 pF for operation >500 MHz.
VHigh = +5 to +8 V (VS = VHigh ± 0.2 V).
2
J2
7
50
2
J1
8
Truth Table
V2
1
10 kΩ
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com
Specifications subject to change without notice. 3/99A
CBL
GND
J3