Preliminary PHEMT GaAs IC SPDT Switch DC–3 GHz AS179-000 Applications ■ General Purpose Medium Power Switches in Telecommunication Applications ■ T/R Switches in 802.11b, g WLAN Blue Tooth Systems Outline Drawing 0.0327 (0.83 mm) 0.0295 (0.75 mm) 0.0281 (0.71 mm) Features ■ P1 dB +30 dBm Typical @ +3 V 0.0134 (0.34 mm) ■ IP3 43 dBm Typical @ +3 V ■ Low Insertion Loss (0.3 dB @ 0.9 GHz) ■ Low DC Power Consumption 0.0030 (0.08 mm) ■ 100% RF Tested in Die Form 0.0199 (0.50 mm) 0.0169 (0.43 mm) 0.0157 (0.40 mm) The AS179-000 is an IC FET SPDT switch. The AS179-000 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. 0.0123 (0.31 mm) Description 0.0032 (0.08 mm) 0.0000 (0.00 mm) 0.0000 (0.00 mm) ■ PHEMT Process Bond pad dimensions: 0.003 (0.075 mm) x 0.003 (0.075 mm). Bond pad metalization: gold. Backside metalization: none. Chip thickness 0.008 ± 0.001 (0.203 ± 0.025). Electrical Specifications at 25°C (0, +3 V) Parameter1 Insertion Frequency2 Loss3 Min. DC–1.0 GHz 1.0–2.0 GHz 2.0–3.0 GHz Isolation DC–1.0 GHz 1.0–2.0 GHz 2.0–3.0 GHz VSWR4 DC–3.0 GHz 22 20 20 Typ. Max. Unit 0.30 0.30 0.35 0.4 0.4 0.5 dB dB dB 25 22 22 1.1:1 dB dB dB 1.3:1 1. All measurements made in a 50 Ω system, unless otherwise specified. 2. DC = 300 kHz. 3. Insertion loss changes by 0.003 dB/°C. 4. Insertion loss state. Skyworks Solutions, Inc. [781] 376-3000 • Fax [781] 376-3100 • Email [email protected] • www.skyworksinc.com Specifications subject to change without notice. 2/03A 1 PHEMT GaAs IC SPDT Switch DC–3 GHz AS179-000 Operating Characteristics at 25°C (0, +3 V) Parameter Condition Switching Characteristics1 Rise, Fall (10/90% or 90/10% RF) On, Off (50% CTL to 90/10% RF) Video Feedthru Input Power for 1 dB Compression 0/+3 V 0/+5 V Intermodulation Intercept Point (IP3) For Two-tone Input Power +5 dBm 0/+3 V 0/+5 V Control Voltages Frequency Min. Typ. Max. Unit 10 20 25 ns ns mV 0.5–3.0 GHz 0.5–3.0 GHz +30 +34 dBm dBm 0.5–3.0 GHz 0.5–3.0 GHz +43 +50 dBm dBm VLow = 0 to 0.2 V @ 20 µA Max. VHigh = +3 V @ 100 µA Max. to +5 V @ 200 µA Max. 1. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth. Typical Performance Data (0, +3 V) 0 -10 -15 -20 Isolation (dB) Insertion Loss (dB) -0.1 -0.2 -0.3 J1–J3 -0.4 J1–J2 -0.5 J2 -25 J3 -30 -35 -40 -45 -50 -55 -0.6 -60 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 Frequency (GHz) Frequency (GHz) Insertion Loss vs. Frequency Isolation vs. Frequency Absolute Maximum Ratings 1.3 Characteristic RF Input Power VSWR 1.2 Control Voltage ILJ2 ILJ3 1.1 Value 6 W > 500 MHz 0/+7 V Control -0.2 V, +8 V Operating Temperature -40°C to +85°C Storage Temperature -65°C to +150°C ILJ3 ILJ2 1.0 0 0.5 1.0 1.5 2.0 2.5 2.5 3.0 3.0 Frequency (GHz) VSWR vs. Frequency 2 4.0 Skyworks Solutions, Inc. [781] 376-3000 • Fax [781] 376-3100 • Email [email protected] • www.skyworksinc.com Specifications subject to change without notice. 2/03A PHEMT GaAs IC SPDT Switch DC–3 GHz AS179-000 Truth Table Pin Out V1 V2 J1–J2 J1–J3 VHigh 0 Isolation Insertion Loss 0 VHigh Insertion Loss J2 Isolation GND V1 VHigh = +3 to +5 V. J1 J3 GND V2 DC blocking caps required on RF lines for positive voltage operation. Skyworks Solutions, Inc. [781] 376-3000 • Fax [781] 376-3100 • Email [email protected] • www.skyworksinc.com Specifications subject to change without notice. 2/03A 3