GaAs IC SPDT Switch Non-Reflective DC–2.5 GHz ASC02M2-12 Features SOIC-8 ■ High Isolation (35 dB @ 0.9 GHz) PIN 8 0.050 (1.27 mm) BSC ■ Low DC Power Consumption ■ Non-Reflective 0.244 (6.20 mm) 0.228 (5.80 mm) PIN 1 INDICATOR Description 0.020 (0.51 mm) MAX. PIN 1 The ASC02M2-12 is a low cost IC FET SPDT nonreflective switch in a plastic SOIC-8 package. 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. 0.068 (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–2.0 GHz DC–2.5 GHz Min. 37 32 24 18 Typ. Max. Unit 0.7 0.8 1.1 1.2 0.8 1.0 1.2 1.4 dB dB dB dB 40 35 26 22 dB dB dB dB 1.3:1 1.5:1 1.7:1 1.4:1 1.6:1 1.8:1 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 3 6 15 ns ns mV 0.5–2.0 GHz +23 dBm 0.5–2.0 GHz +40 dBm Intermodulation Intercept Point (IP3) For Two-tone Input Power +13 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. 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 Non-Reflective DC–2.5 GHz ASC02M2-12 Typical Performance Data (0, -5 V) 1.4 70 1.2 60 +85˚C 50 dB dB 1.0 0.8 40 -40˚C 0.6 30 20 0.4 1.0 2.0 1.0 3.0 2.0 3.0 Frequency (GHz) Frequency (GHz) Insertion Loss vs. Frequency Isolation vs. Frequency 2.0 Absolute Maximum Ratings Characteristic 1.8 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 1.6 1.4 Operating Temperature -40°C to +85°C Storage Temperature -65°C to +150°C ΘJC 1.2 25°C/W Note: Exceeding these parameters may cause irreversible damage. 1.0 1.0 2.0 3.0 Pin Out Frequency (GHz) VSWR vs. Frequency VS CBL CBL Negative Operation Isolation 0 -5 Isolation Insertion Loss GND V1 V2 J1–J2 J1–J3 0 VHigh Insertion Loss Isolation VHigh 0 Isolation Insertion Loss CBP 50 CBP 5 J1–J3 Insertion Loss 6 J1–J2 0 4 V2 -5 V1 3 V1 Positive Operation External components shown are for positive voltage operation only. CBL = 100 pF, CBP = 1000 pF for operation >500 MHz. VHigh = +5 to +8 V (VS = VHigh ± 0.2 V). 2 J2 7 50 2 J1 8 Truth Table V2 1 10 kΩ Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 3/99A CBL GND J3