DATA SHEET
AS222-92, AS222-92LF: PHEMT GaAs IC SPDT Switch 0.1 to 3 GHz
Applications
• T/R switch for WLAN, Bluetooth® ...
DATA SHEET
AS222-92, AS222-92LF: PHEMT GaAs IC SPDT Switch 0.1 to 3 GHz
Applications
T/R switch for WLAN, Bluetooth® and mediumpower telecommunication applications
Features
Low insertion loss Isolation 22 dB @ 2.4 GHz Low DC power consumption Operates with 1.8 V control
voltage Available lead (Pb)-free and RoHS-compliant
MSL-1 @ 260 °C per JEDEC J-STD-020
Description
The AS222-92 is a medium-power IC FET SPDT switch in a low-cost miniature SC-70 6-lead plastic package.
The AS222-92 features low insertion loss and positive
voltage operation with very low DC power consumption. This general-purpose switch can be used in a variety of telecommunications applications.
Figure 1. AS222-92, AS222-92LF Block Diagram
DC blocking
capacitors (CBL) must be supplied externally for positive
voltage operation. CBL = 100 pF for operation >500 MHz.
Table 1. Electrical Specifications at 25 °C (0, 3 V)
Parameter(1)
Frequency
Min.
Typ.
Max.
Unit
0.1 to 1.0 GHz
0.35
0.5
Insertion loss(2)
1.0 to 2.4 GHz
0.45
0.6
dB
2.4 to 3.0 GHz
0.50
0.7
0.1 to 1.0 GHz
24
27
Isolation
1.0 to 2.4 GHz
19
22
dB
2.4 to 3.0 GHz
16
18
0.1 to 1.0 GHz
19
Return loss(3)
1.0 to 2.4 GHz
21
dB
2.4 to 3.0 GHz
18
1. All measurements made in a 50 Ω system, unless otherwise specified. 2. Insertion loss changes by 0.003 dB/°C. 3. Insertion loss state.
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