HWS420 GaAs DC-6 GHz DPDT Switch May 2011 V3 QFN12L (3 x 3 mm) Features • Low Insertion Loss: 0.7 dB @ 2.5 GHz 1.0 dB @ 4.9 to 6.0 GHz • Isolation: 27 dB @ 2.5 GHz 20 dB @ 4.9 to 6.0 GHz • Low DC Power Consumption • Miniature QFN12L (3x3 mm) Using Lead (Pb) free materials with RoHS compliant • PHEMT process Description The HWS420 is a GaAs PHEMT MMIC DPDT switch operating at DC-6 GHz in a low cost miniature QFN12L (3 x 3 mm) plastic package. The HWS420 features low insertion loss and high isolation with very low DC power consumption. This switch can be used in IEEE 802.11a/b/g WLAN systems for combination of transmit/receive and antenna diversity functions. Electrical Specifications at 25°C with 0, +3V Control Voltages Parameter Test Conditions Min. Typ. Max. Unit 1.3 dB dB dB 0.1-6.0 GHz 2.4-2.5 GHz 4.9-6.0 GHz 1.0 0.7 1.0 Isolation (ANT1-ANT2, TX-RX) 0.1-6.0 GHz 2.4-2.5 GHz 4.9-6.0 GHz 13 15 23 15 dB dB dB Isolation (ANT1-TX, ANT1 -RX, ANT2-TX, ANT2-RX) 0.1-6.0 GHz 2.4-2.5 GHz 4.9-6.0 GHz 15 20 27 20 dB dB dB Return Loss 0.1-6.0 GHz 15 dB Input Power for One dB Compression 2.0-6.0 GHz 33 dBm 20 uA Insertion Loss Control Current Note: All measurements made in a 50 ohm system with 0/+3.0V 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. HWS420 GaAs DC-6 GHz DPDT Switch May 2011 V3 Typical Performance Data with 8pF Capacitors @ +25°C Absolute Maximum Ratings Parameter Insertion Loss vs Frequency Insertion Loss(dB) -0.2 Absolute Maximum RF Input Power +34 dBm @ +3V Control Voltage +6V -0.4 Operating Temperature -0.6 Storage Temperature -40°C to +85°C -65°C to +150°C -0.8 Pin Out (Top View) TX RX -1.0 3.0 3.5 4.0 4.5 5.0 Frequency(GHz) 5.5 6.0 GND 2.5 CB 2.0 12 ISO1 ISO2 Isolation vs Frequency VC1 CB -1.2 11 10 1 9 GND 2 8 3 7 VC4 -5 GND -10 VC3 GND -25 ANT1 -30 6 CB 5 ANT2 4 -20 CB Isolation(dB) VC2 -15 -35 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Frequency(GHz) 5.5 6.0 Note: ISO1 for ANT1-ANT2 and TX-RX ISO2 for ANT1-TX, ANT1-RX, ANT2-TX, and ANT2-RX Return Loss vs Frequency Note: 1. DC blocking capacitors CB=8pF are required on all RF ports. 2. Exposed pad in the bottom must be connected to ground by via holes. 3. TX and RX ports can be used interchangeably. -10 Logic Table for Switch On-Path Return Loss(dB) -15 VC1 VC2 VC3 VC4 On-Path 1 0 0 0 ANT2-RX -25 0 1 0 0 ANT1 -TX -30 0 0 1 0 ANT1-RX 0 0 0 1 ANT2 -TX -20 -35 2.0 2.5 3.0 3.5 4.0 4.5 Frequency(GHz) 5.0 5.5 6.0 ‘1’ = +3V to +5V ‘0’ = 0V to +0.2V 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.