GaAs IC SPDT Switch Non-Reflective DC–2.5 GHz AS338-12 Features SOIC-8 ■ Low DC Power Consumption PIN 8 0.050 (1.27 mm) BSC ■ High Isolation (40 dB @ 0.9 GHz) ■ Non-Reflective 0.244 (6.20 mm) 0.228 (5.80 mm) PIN 1 INDICATOR Description The AS338-12 is a low cost IC FET SPDT non-reflective switch in a plastic SOIC-8 package for commercial applications. The switch operates with -5, 0 V or 0, +5 V when “floated” as shown on the following page. This general purpose SPDT switch is used in various telecommunications applications. 0.020 (0.51 mm) MAX. PIN 1 0.068 (1.73 mm) MAX. 0.197 (5.00 mm) 0.189 (4.80 mm) 0.010 (0.25 mm) 0.004 (0.10 mm) 0.016 MAX. (0.41 mm) x 45˚ CHAMFER 0.049 (1.24 mm) 0.016 (0.41 mm) 0.158 (4.00 mm) 0.150 (3.80 mm) 0.010 (0.25 mm) 0.007 (0.17 mm) 8˚ MAX. Electrical Specifications at 25°C (0, -5 V) Parameter1 Insertion Frequency2 Loss3 DC–0.5 DC–1.0 DC–2.0 DC–2.5 GHz GHz GHz GHz Isolation DC–0.5 DC–1.0 DC–2.0 DC–2.5 GHz GHz GHz GHz VSWR4 DC–0.5 GHz DC–1.0 GHz DC–2.5 GHz Min. 43 36 27 23 Typ. Max. Unit 0.5 0.6 0.7 1.2 0.7 0.8 0.9 1.4 dB dB dB dB 46 39 30 26 dB dB dB dB 1.2:1 1.2:1 1.3:1 1.3:1 1.4:1 1.5:1 Typ. Max. Operating Characteristics at 25°C (0, -5 V) Parameter Switching Characteristics5 Condition Frequency Rise, Fall (10/90% or 90/10% RF) On, Off (50% CTL to 90/10% RF) Video Feedthru Input Power For 1 dB Compression Min. Unit 8 30 25 ns ns mV 0.50–2.5 GHz 0.05 GHz +28 +23 dBm dBm 0.50–2.5 GHz 0.05 GHz +46 +40 dBm dBm Intermodulation Intercept Point For Two-tone Input Power +5 dBm Control Voltages VLow = 0 to 0.2 V @ 20 µA Max. VHigh = -5 V @ 50 µA to -8 V @ 200 µA Max. 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. Input/output. 5. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth. Skyworks Solutions, Inc. [781] 376-3000 • Fax [781] 376-3100 • Email [email protected] • www.skyworksinc.com Specifications subject to change without notice. 10/99A 1 GaAs IC SPDT Switch Non-Reflective DC–2.5 GHz AS338-12 2.0 60 1.5 50 Isolation (dB) Insertion Loss (dB) Typical Performance Data (0, -5 V) 1.0 J1–J3 40 J1–J2 30 0.5 20 0 0 0.5 1.0 1.5 2.0 0 2.5 2 3 4 Frequency (GHz) Frequency (GHz) Insertion Loss vs. Frequency Isolation vs. Frequency 2.00 5 Absolute Maximum Ratings Characteristic 1.75 VSWR 1 1.50 1.25 Value RF Input Power 2 W > 500 MHz 0/-8 V 0.5 W @ 50 MHz 0/-8 V Control Voltage +0.2 V, -8 V Operating Temperature -40°C to +85°C Storage Temperature -65°C to +150°C ΘJC 25°C/W Note: Exceeding these parameters may cause irreversible damage. 1.00 0 0.5 1.0 1.5 2.0 2.5 Pin Out Frequency (GHz) VSWR vs. Frequency VS 50 7 2 J1 8 Truth Table 1 V2 10 kΩ J2 CBP CBL Negative Operation J1–J3 0 -5 Insertion Loss Isolation -5 0 Isolation Insertion Loss Positive Operation1 50 GND External components shown are for positive voltage operation only. CBL = 100 pF, CBP = 1000 pF for operation >500 MHz. V1 V2 J1–J2 J1–J3 VHigh 0 Insertion Loss Isolation 0 VHigh Isolation Insertion Loss GND CBP 5 J1–J2 6 V2 4 V1 3 V1 VHigh = +5 to +8 V (VS = VHigh ± 0.2 V). 1. Refer to Application Notes for further information. 2 CBL Skyworks Solutions, Inc. [781] 376-3000 • Fax [781] 376-3100 • Email [email protected] • www.skyworksinc.com Specifications subject to change without notice. 10/99A CBL J3