HWS435 GaAs DC-2.5 GHz SPDT Switch May 2011 V4 Features SOT-363 • Low Insertion Loss: 0.5 dB @ 2.5 GHz • Isolation: 20 dB @ 2.5 GHz • Low DC Power Consumption • Low Cost SOT-363 Using Lead (Pb) free materials with RoHS compliant Description The HWS435 is a GaAs SPDT switch operating at DC-2.5 GHz in a low cost SOT-363 plastic lead (Pb) free package. The HWS435 features low insertion loss with very low DC power consumption. This switch can be used in IEEE 802.11b/g WLAN systems for transmit/receive or antenna diversity functions. Electrical Specifications at 25°C with 0, +3V Control Voltages Parameter Insertion Loss Test Conditions Min. DC-1.0 GHz 0.3 DC-2.0 GHz 0.4 DC-2.5 GHz 0.5 28 DC-1.0 GHz Isolation Return Loss Typ. DC-2.0 GHz DC-2.5 GHz DC-2.5 GHz Max. dB 0.7 dB 22 18 Unit 20 20 dB @ 0/+3V 30 dBm @ 0/+5V 34 dBm Switching Time 20 ns Control Current 5 0.5-2.5 GHz Input Power for One dB Compression 100 Note: All measurements made in a 50 ohm system with 0/+3V control voltages, unless otherwise specified. Hexawave Inc. 2 Prosperity Road II, Science Park, Hsinchu, Taiwan. TEL 886-3-578-5100 FAX 886-3-577-0512 http://www.hw.com.tw All specifications are subject to change without notice. uA HWS435 GaAs DC-2.5 GHz SPDT Switch May 2011 V4 Absolute Maximum Ratings Typical Performance Data @ +25°C Insertion Loss vs Frequency Parameter Insertion Loss(dB) 0.0 Absolute Maximum -0.2 RF Input Power 0.5-2.5 GHz +34 dBm -0.4 Control Voltage +6V Operating Temperature -0.6 Storage Temperature -40°C to +85°C -65°C to +150°C -0.8 -1.0 0.5 1.0 1.5 2.0 Frequency(GHz) 2.5 3.0 Pin Out (Top View) CB RF2 Isolation vs Frequency -10 GND CA 1 6 2 5 VC2 CB Isolation(dB) -15 RF1 3 RFC 4 CA CB VC1 -20 -25 DC blocking capacitors CB are required on all RF ports. CB=CA=51pF for operating frequency > 500MHz. -30 -35 Logic Table for Switch On-Path -40 0.5 1.0 1.5 2.0 Frequency(GHz) 2.5 3.0 Return Loss vs Frequency VC1 VC2 RFC-RF1 RFC-RF2 1 0 Isolation Insertion Loss 0 1 Insertion Loss Isolation -5 ‘1’ = +3V to +5V ‘0’ = 0V to +0.2V Return Loss(dB) -10 -15 -20 -25 -30 -35 0.5 1.0 1.5 2.0 Frequency(GHz) 2.5 3.0 Hexawave Inc. 2 Prosperity Road II, Science Park, Hsinchu, Taiwan. TEL 886-3-578-5100 FAX 886-3-577-0512 http://www.hw.com.tw All specifications are subject to change without notice.