GaAs IC SPDT Switch DC–2.5 GHz ASC02R2-12 Features SOIC-8 ■ High Isolation (35 dB @ 0.9 GHz) PIN 8 0.050 (1.27 mm) BSC ■ Low Insertion Loss (0.5 dB @ 0.9 GHz) ■ Low DC Power Consumption 0.244 (6.20 mm) 0.228 (5.80 mm) PIN 1 INDICATOR Description 0.020 (0.51 mm) MAX. PIN 1 The ASC02R2-12 is a low cost IC FET SPDT reflective general purpose switch in a plastic SOIC-8 package for commercial low cost, low power applications. The switch operates with -5, 0 V or 0, +5 V when floated as shown on the following page. 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–0.1 DC–0.5 DC–1.0 DC–2.0 DC–2.5 GHz GHz GHz GHz GHz Isolation DC–0.1 DC–0.5 DC–1.0 DC–2.0 DC–2.5 GHz GHz GHz GHz GHz VSWR4 DC–2.0 GHz DC–2.5 GHz Min. 55 40 30 20 20 Typ. Max. Unit 0.4 0.5 0.6 0.8 1.0 0.5 0.6 0.7 1.0 1.1 dB dB dB dB dB 60 42 33 25 22 dB dB dB dB dB 1.2:1 1.5:1 1.4:1 1.7:1 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 Intermodulation Intercept Point (IP3) For Two-tone Input Power +13 dBm Control Voltages VLow = 0 to -0.2 V @ 20 µA Max. VHigh = -5 @ 20 µA to -8 V @ 200 µA Max. Min. Unit 3 6 15 ns ns mV 0.5–2.0 GHz +22 dBm 0.5–2.0 GHz 40 dBm 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. 5. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth. Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 3/99A 1 GaAs IC SPDT Switch DC–2.5 GHz ASC02R2-12 Typical Performance Data (0, -5 V) 1.2 60 1.0 50 40 0.8 J1–J2 dB dB +85˚C 0.6 J1–J3 30 -40˚C 20 0.4 10 0.2 1 2 3 1 2 3 Frequency (GHz) Frequency (GHz) Insertion Loss vs. Frequency Isolation vs. Frequency Absolute Maximum Ratings 1.5 Characteristic 1.4 2 W > 500 MHz 0/-8 V 0.5 W @ 50 MHz 0/-8 V Control Voltage +0.2 V, -8 V 1.3 1.2 Operating Temperature -40°C to +85°C Storage Temperature -65°C to +150°C ΘJC 1.1 Value RF Input Power 25°C/W Note: Exceeding these parameters may cause irreversible damage. 1.0 1 2 3 Pin Out Frequency (GHz) VSWR vs. Frequency VS 10 kΩ 1 8 2 7 3 6 J1 Truth Table CBP CBL Negative Operation GND V1 V2 J1–J2 J1–J3 0 -5 Isolation Insertion Loss -5 0 Insertion Loss Isolation GND CBP J3 CBL CBL 5 4 V2 V1 Positive Operation1 V1 V2 J1–J2 J1–J3 VHigh 0 Isolation Insertion Loss 0 VHigh Insertion Loss Isolation External components shown are for positive voltage operation only. CBL = 100 pF, CBP = 1000 pF. Capacitance values chosen for operation >500 MHz. VHigh = +5 to +8 V (VS = VHigh ± 0.2 V). 1. Refer to Application Notes for further information. 2 Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 3/99A J2