HWS429 GaAs DC-3 GHz SPDT Terminated Switch October 2005 Features QFN12L (3 x 3 mm) • Low Insertion Loss : 0.40 dB @ 0.87 GHz 0.50 dB @ 2.5 GHz • High Isolation: 55 dB @ 0.87 GHz 47 dB @ 2.5 GHz • 50 or 75 Ohm Systems • Low DC Power Consumption • Miniature QFN12L (3x3 mm) Plastic Lead (Pb) Free Package • RoHS (Restrict of Hazardous Substances) Compliant Description The HWS429 is a GaAs SPDT terminated (non-reflective) switch operating at DC-3 GHz in a low cost QFN12L (3x3 mm) plastic lead (Pb) free package. The HWS429 features low insertion loss and high isolation with very low DC power consumption and can be used in both 50 ohm and 75 ohm systems. Typical applications include CATV and basestation systems for either SPDT or SPST functions. Electrical Specifications at 25°C with 0, +3V Control Voltages, 50 Ohm system Parameter Test Conditions Insertion Loss DC-1.5 GHz 1.5-3.0 GHz Isolation DC-1.5 GHz 1.5-3.0 GHz Return Loss Min. Typ. Max. Unit 0.4 0.5 0.8 dB dB 53 43 dB dB DC-3.0 GHz 15 dB Input Power for One dB Compression 0.5-3.0 GHz 26 dBm Input Third Order Intermodulation Intercept Point 0.5-3.0 GHz 45 dBm Switching Time 50 ns Control Current 30 35 300 uA Note: All measurements made in a 50 ohm system with related application circuits and 0/+3V control voltages, unless otherwise specified. Hexawave Inc. 1F, 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. V2 HWS429 GaAs DC-3 GHz SPDT Terminated Switch October 2005 Typical Performance Data With Application Circuit A @ +25°C Typical Performance Data With Application Circuit B @ +25°C Insertion Loss vs Frequency Insertion Loss vs Frequency 0.0 0.0 Insertion Loss(dB) Insertion Loss(dB) -0.1 -0.2 -0.3 -0.4 -0.6 -0.4 -0.6 -1.0 0.0 0.5 1.0 1.5 Frequency(GHz) 2.0 2.5 Isolation vs Frequency 1.0 1.5 2.0 2.5 3.0 Frequency(GHz) 3.5 4.0 3.5 4.0 Isolation vs Frequency -30 -20 -35 -25 -40 -30 Isolation(dB) Isolation(dB) -0.2 -0.8 -0.5 -45 -50 -55 -35 -40 -45 -60 -50 0.0 0.5 1.0 1.5 Frequency(GHz) 2.0 2.5 1.0 1.5 2.0 2.5 3.0 Frequency(GHz) Return Loss vs Frequency Return Loss vs Frequency 0 0 RFC RF1, RF2 Off RF1, RF2 On RFC RF1, RF2 Off -5 Return Loss (dB) -5 Return Loss (dB) V2 -10 -15 -20 -25 RF1, RF2 On -10 -15 -20 -25 -30 -30 -35 -35 0.0 0.5 1.0 1.5 Frequency (GHz) 2.0 2.5 1.0 1.5 2.0 2.5 3.0 3.5 Frequency (GHz) Hexawave Inc. 1F, 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. 4.0 HWS429 GaAs DC-3 GHz SPDT Terminated Switch October 2005 Absolute Maximum Ratings Parameter Logic Table for Switch On-Path Absolute Maximum RF Input Power +32 dBm @ +5V Control Voltage +6V Operating Temperature -40°C to +85°C Storage Temperature -65°C to +150°C VC1 VC2 RFC-RF1 RFC-RF2 0 1 Insertion Loss Isolation 1 0 Isolation Insertion Loss ‘1’ = +3V to +5V ‘0’ = 0V to +0.2V Pin Out (Top View) VC1 RFC VC2 12 11 10 GT1 1 9 GT3 GT2 2 8 GT4 RF1 3 7 RF2 GND 6 GND 5 GND 4 Exposed pad in the bottom must be connected to ground by via holes. Application Circuits VC1 RFC VC2 C5 C8 12 11 C9 10 9 1 C1 C2 8 2 C3 RF1 C4 3 C6 7 4 5 V2 6 RF2 C7 Component Values: Circuit C1, C2 C3, C4 C5, C6, C7 C8, C9 A 47pF 330pF 1000pF 47pF B 2pF 4pF 47pF 47pF Note: Circuit A and B are optimized for DC-1.5 GHz and 1.5-3.0 GHz, respectively. Hexawave Inc. 1F, 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.