ETC ADC02D2-12

GaAs IC Diversity Switch
DC–2.5 GHz
ASC02D2-12
(Previously ADC02D2-12)*
Features
SOIC-8
■ Low Cost SOIC-8 Plastic Package
PIN 8
0.050 (1.27 mm) BSC
■ Independent Four Port Switching
■ Individual Voltage Control on Each Port
0.244 (6.20 mm)
0.228 (5.80 mm)
PIN 1
INDICATOR
Description
The ADC02D2 is a 4 port switch with independent
DC voltage control on each port mounted in the
SOIC-8 package.
In transmit or receive applications, the asymmetric design
allows for good isolation between transmit and receive
path while maintaining medium power handling in
transmit port.
Electrical Specifications at 25°C (0, -5 V)
0.020 (0.51 mm) MAX.
PIN 1
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)
Parameter1
Frequency2
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)
Typ.
Max.
Unit
Insertion
Receiver
(RX–J1, J2)
DC–0.5
DC–1.0
DC–2.0
DC–2.5
GHz
GHz
GHz
GHz
1.0
1.0
1.1
1.1
1.1
1.2
1.3
1.4
dB
dB
dB
dB
Insertion Loss
Transmit
(TX–J1, J2)
DC–0.5
DC–1.0
DC–2.0
DC–2.5
GHz
GHz
GHz
GHz
0.8
0.8
0.9
0.9
0.9
1.0
1.1
1.2
dB
dB
dB
dB
Isolation
(RX–J1, J2)
DC–0.5
DC–1.0
DC–2.0
DC–2.5
GHz
GHz
GHz
GHz
34
28
22
20
37
30
24
22
dB
dB
dB
dB
Isolation
(TX–J1, J2)
DC–0.5
DC–1.0
DC–2.0
DC–2.5
GHz
GHz
GHz
GHz
32
26
20
18
33
27
21
19
dB
dB
dB
dB
VSWR4
DC–1.0 GHz
DC–2.5 GHz
Loss3
Min.
8˚
MAX.
1.5:1
1.8:1
1.7:1
2.0:1
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
(TX–J1, J2)
Min.
Unit
3
6
30
ns
ns
mV
0.50–2.0 GHz
0.050 GHz
+27
+18
dBm
dBm
0.50–2.0 GHz
0.050 GHz
+40
+29
dBm
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.
4. Insertion loss state.
1. All measurements made in a 50 Ω system, unless otherwise specified.
5. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth.
2. DC = 300 kHz.
3. Insertion loss changes by 0.003 dB/°C.
*Due to conflict with another company’s product numbering system, Alpha’s attenuator product “ADC02D2-12” is being changed to “ASC02D2-12”.
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com
Specifications subject to change without notice. 10/99A
1
GaAs IC Diversity Switch DC–2.5 GHz
ASC02D2-12
Typical Performance Data (0, -5 V)
2.0
60
1.6
50
RX
40
dB
dB
1.2
0.8
RX
30
TX
TX
0.4
20
0
10
1.0
2.0
3.0
1.0
2.0
3.0
Frequency (GHz)
Frequency (GHz)
Insertion Loss vs. Frequency
Isolation vs. Frequency
2.0
Absolute Maximum Ratings
Characteristic
1.8
2 W > 500 MHz 0/-8 V
0.5 W @ 50 MHz 0/-8 V
Control Voltage
+0.2 V, -10 V
1.6
Operating Temperature
1.4
Storage Temperature
ΘJC
1.2
Value
RF Input Power
-40°C to +85°C
-65°C to +150°C
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 (Worst Case)
8
TX
2
7
V4
V2
3
6
RX
J1
4
5
Truth Table
2
V1
V2
V3
V4
“On Paths”
0
-5
-5
-5
TX–J2
-5
0
-5
-5
TX–J1
-5
-5
0
-5
RX–J1
V3
-5
-5
-5
0
RX–J2
0
-5
0
-5
TX–J2, RX–J1
-5
0
-5
0
TX–J1, RX–J2
1
J2
V1
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com
Specifications subject to change without notice. 10/99A