HWS499 GaAs DC-4 GHz DPDT Switch July 2011 V3 Features QFN12L (3 x 3 mm) • Low Insertion Loss: 0.9 dB @ 2.50 GHz 1.0 dB @ 3.5 GHz • Isolation: 22 dB @ 2.50 GHz 20 dB @ 3.5GHz • Low DC Power Consumption • Miniature QFN12L (3x3 mm) Using Lead (Pb) free materials with RoHS compliant • PHEMT process Description The HWS499 is a GaAs PHEMT MMIC DPDT switch operating at DC-4 GHz in a low cost miniature QFN12L (3 x 3 mm) plastic lead (Pb) free package. The HWS499 features low insertion loss and high isolation with very low DC power consumption. This switch can be used in WiMAX or IEEE 802.11b/g WLAN systems for combination of transmit/receive and antenna diversity functions. Electrical Specifications at 25°C with 0, +3V Control Voltages Parameter Insertion Loss Isolation (on-off or off-on) Test Conditions Min. Typ. Max. Unit 2.30-2.70 GHz 0.9 1.1 dB 3.30-3.90GHz 1.0 1.3 dB 20.0 22 dB 17.0 20 dB @+3V 36 dBm @+5V 38 dBm 2.30-2.70 GHz 3.30-3.90 GHz 2.00-4.00 GHz Input Power for 1 dB Compression Control Current 5 200 uA 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. HWS499 GaAs DC-4 GHz DPDT Switch July 2011 V3 Typical Performance Data with 8pF Capacitors @ +25°C Absolute Maximum Ratings Parameter Absolute Maximum RF Input Power +36 dBm @ +3V Control Voltage +6V -0.4 Operating Temperature -40°C to +85°C -0.8 Storage Temperature -1.2 -65°C to +150°C ` -1.6 Pin Out (Top View) TX -2.0 RX Insertion Loss(dB) Insertion Loss vs Frequency 12 Isolation vs Frequency GND GND 2 8 GND 3 7 -25 4 -30 5 VC2 6 CB VC1 10 9 GND -15 11 GND 1 CB Isolation(dB) -10 -20 GND CB Frequency(GHz) CB 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 -35 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 Frequency(GHz) Return Loss vs Frequency Return Loss(dB) -10 ANT2 ANT1 -40 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. -15 Logic Table for Switch On-Path -20 -25 VC1 -30 VC2 ANT1 -RX ANT1 -TX ANT2 -TX ANT2 -RX 1 0 On Off On Off 0 1 Off On Off On 1 1 Off Off Off Off 0 0 Off Off Off Off -35 -40 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 Frequency(GHz) ‘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.