GaAs IC High Isolation Positive Control SPDT Switch DC–2.5 GHz AS164-80 Features SSOP-16 ■ Positive Voltage Control 0.197 (5.00 mm) 0.189 (4.80 mm) 0.025 (0.635 mm) TYP. ■ High Isolation (50 dB @ 1.9 GHz) PIN 16 ■ Low DC Power Consumption 0.244 (6.20 mm) 0.228 (5.80 mm) ■ Base Station Synthesizer Switch 0.158 (4.00 mm) 0.150 (3.80 mm) PIN 1 Description The AS164-80 is a GaAs FET IC SPDT switch packaged in an SSOP-16 plastic package for low cost commercial applications. Ideal building block for base station dual band applications where synthesizer isolation is critical. Use in conjunction with the AS165-59 SPST switch to meet GSM synthesizer isolation requirements. 0.0196 X 45˚ CHAMFER 0.068 (1.73 mm) MAX. R 0.008 MIN. R 0.013/0.008 0.0098 (0.0075 mm) 5˚ -15˚ 0.010 (0.25 mm) TYP. 0.010 (0.25 mm) 0.004 (0.10 mm) 8˚ MAX. Electrical Specifications at 25°C (0, +5 V) Parameter1 Frequency2 Insertion Loss3 DC–1.0 GHz 1.0–2.0 GHz 2.0–2.5 GHz Isolation DC–2.0 GHz 2.0–2.5 GHz VSWR4 DC–2.0 GHz DC–2.5 GHz Min. 44 32 Typ. Max. Unit 0.6 0.8 1.0 0.8 1.0 1.2 dB dB dB 50 42 dB dB 1.3:1 1.5:1 1.5:1 1.8:1 Typ. Max. Operating Characteristics at 25°C (0, +5 V) Parameter Condition Frequency Switching Characteristics5 Rise, Fall (10/90% or 90/10% RF) On, Off (50% CTL to 90/10% RF) Video Feedthru Intermodulation Intercept Point (IP3) Two-tone Input Power +10 dBm Control Voltages VLow = 0 to 0.2 V @ 20 µA Max. VHigh = +3 V @ 100 µA Max. to +5 V @ 200 µA Max. VS = VHigh ± 0.2 V 0.5–2.5 GHz Min. Unit 60 100 50 ns ns mV +41 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. 10/00A 1 GaAs IC High Isolation Positive Control SPDT Switch DC–2.5 GHz AS164-80 Typical Performance Data (0, +5 V) -20 -25 -0.25 J1–J3 -0.50 -0.75 Isolation (dB) Insertion Loss (dB) 0 J1–J2 -1.00 -30 -35 J1–J3 -40 -45 -50 J1–J2 -55 -60 -1.25 -65 -1.50 0 0.5 1.0 1.5 2.0 2.5 -70 3.0 0 0.5 1.0 Frequency (GHz) 1.5 2.0 2.5 3.0 Frequency (GHz) Insertion Loss vs. Frequency Isolation vs. Frequency 2.0 Absolute Maximum Ratings VSWR (dB) 1.8 Characteristic RF Input Power 1.6 J1–J2 1.4 J1–J3 1.2 2 W Max. > 500 MHz 0/+8 V Control Supply Voltage +8 V Control Voltage -0.2 V, +8 V Operating Temperature -40°C to +85°C Storage Temperature -65°C to +150°C ΘJC 1.0 0 0.5 1.0 1.5 2.0 2.5 Value 25°C/W 3.0 Frequency (GHz) Pin Out VSWR vs. Frequency CBL Isolation 2 9 Insertion Loss 11 10 VHigh 15 14 13 12 0 VHigh = +3 to +5 V (VS = VHigh ± 0.2 V). GND GND GND DC blocking capacitors (CBL) must be supplied externally. CBL = 47 pF for operation >500 MHz. Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 10/00A J2 16 Insertion Loss 8 Isolation 7 0 CBL 6 VHigh J1 5 J1–J3 4 J1–J2 3 V2 2 V1 1 Truth Table GND VS GND GND GND V1 GND V2 GND GND C BL J3