GaAs IC High Isolation Positive Control SPDT Non-Reflective Switch DC–4.0 GHz AS186-302 Features ■ Positive Voltage Control (0/+3 to 0/+5 V) ■ High Isolation (55 dB @ 0.9 GHz and 1.9 GHz) MSOP-8 Exposed Pad 0.122 (3.09 mm) 0.114 (2.89 mm) 8 ■ Miniature MSOP-8 Exposed Pad Package 1 PIN 1 INDICATOR ■ Operation to 6 GHz 0.072 (1.83 mm) 0.062 (1.57 mm) 0.073 (1.85 mm) 0.063 (1.60 mm) 0.122 (3.09 mm) 0.114 (2.89 mm) ■ Three Switch Solution for Base Station Synthesizer Switch ■ Non-Reflective 0.0256 (0.650 mm) TYP. EXPOSED PADDLE 0.200 (5.08 mm) 0.114 (4.67 mm) 0.044 (1.12 mm) MAX. Description 0.012 (0.30 mm) 0.008 (0.20 mm) The AS186-302 is a GaAs FET IC SPDT non-reflective switch packaged in a MSOP-8 exposed pad plastic package for low cost, high isolation commercial applications. Ideal building block for base station applications where synthesizer isolation is critical. Typical applications include GSM, PCS, WCDMA, 2.4 GHz ISM and 3.5 GHz wireless local loop. 0.006 (0.15 mm) 0.002 (0.05 mm) Electrical Specifications (0, +5 V), -40 to +85°C Parameter1 Condition Frequency Min. Typ. Max. Unit 0.8 0.9 1.0 1.05 1.15 1.25 dB dB dB Insertion Loss DC–2.0 GHz DC–3.0 GHz DC–4.0 GHz Isolation2 DC–2.0 GHz DC–3.0 GHz DC–4.0 GHz VSWR (On State) DC–2.0 GHz DC–4.0 GHz 1.3:1 1.3:1 1.5:1 1.6:1 VSWR (Off State) 0.5–4.0 GHz 1.35:1 1.7:1 Switching Characteristics3 50 45 35 Rise, Fall (10/90% or 90/10% RF) On, Off (50% CTL to 90/10% RF) Video Feedthru 55 50 40 dB dB dB 30 50 25 ns ns mV Input Power for 1 dB Compression 0/+3 V 0/+5 V 0.9–4.0 GHz 0.9–4.0 GHz 17 24 21 27 dBm dBm Intermodulation Intercept Point (IIP3) For Two-tone Input Power +8 dBm 0/+3 V 0/+5 V 0.9–4.0 GHz 0.9–4.0 GHz 27 42 38 46 dBm dBm Control Voltages VLow = 0 to 0.2 V @ 20 µA Max. VHigh = +3 V @ 100 µA Max. to +5 V @ 200 µA Max. 1. All measurements made in a 50 Ω system, unless otherwise specified. 2. Backside of exposed pad must be connected to RF ground to obtain specified isolation. 3. Video feedthru measured with 3 ns risetime pulse. Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 2/00A 1 GaAs IC High Isolation Positive Control SPDT Non-Reflective Switch DC–4.0 GHz AS186-302 Typical Performance Data (0, +5 V) 0 0 -0.5 J1–J2 -1.0 Insertion Loss (dB) Insertion Loss (dB) -0.5 J1–J3 -1.5 -2.0 -2.5 25˚C -1.5 -2.0 85˚C -2.5 -3.0 -3.0 0 1 2 3 4 5 6 0 1 2 3 4 5 Frequency (GHz) Frequency (GHz) Insertion Loss vs. Frequency Insertion Loss vs. Frequency -40, 25, 85˚C 0 0 -10 -10 -20 -20 -30 Isolation (dB) Isolation (dB) -40˚C -1.0 J1–J3 -40 J1–J2 -50 -30 6 85˚C -40 25˚C -50 -60 -60 -70 -70 -40˚C 0 1 2 3 4 5 6 0 2 3 4 Frequency (GHz) Isolation vs. Frequency Isolation vs. Frequency -40, 25, 85˚C 6 2.50 S22 Off 2.25 2.25 2.00 VSWR 2.00 S11 On 1.75 1.50 1.75 -40˚C 1.50 1.25 85˚C 1.25 25˚C S22 On 1.00 1.00 0 2 5 Frequency (GHz) 2.50 VSWR 1 1 2 3 4 5 6 0 1 2 3 4 5 Frequency (GHz) Frequency (GHz) VSWR vs Frequency VSWR vs Frequency -40, 25, 85˚C (S22 Off) Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 2/00A 6 GaAs IC High Isolation Positive Control SPDT Non-Reflective Switch DC–4.0 GHz Typical Performance Data (0, +5 V) Compression Point vs. Voltage and Temperature 2.50 2.25 VSWR 2.00 3 -40 20.5 16.5 3 25 20.0 15.3 3 85 19.0 14.0 5 -40 28.5 23.0 5 25 28.0 23.0 5 85 27.5 23.0 25˚C -40˚C 1.00 0 1 2 3 4 5 6 Input power @ 0.1 dB Compression (dBm) Temperature (°C) 85˚C 1.25 Input Power @ 1 dB Compression (dBm) Control Voltage (V) 1.75 1.50 AS186-302 Frequency: 900 MHz. Frequency (GHz) VSWR vs Frequency -40, 25, 85˚C (S11 On) Absolute Maximum Ratings Characteristic Value RF Input Power 1 W Max. > 500 MHz 0/+8 V Control IP3 vs. Voltage and Temperature Control Voltage (V) Temperature (°C) IP3 @ +8 dBm Each Tone (dBm) 3 -40 Control Voltage -0.2 V, +8 V Operating Temperature -40°C to +85°C 44.0 Storage Temperature -65°C to +150°C ΘJC 38.0 3 85 29.5 5 -40 47.5 5 25 46.5 5 85 45.5 25°C/W Pin Out V1 Tone frequencies: 900 and 901 MHz. 0 VHigh Isolation Insertion Loss VHigh 0 Insertion Loss Isolation 50 GND CBL 5 J1–J3 GND 6 J1–J2 7 V2 4 GND V1 J2 CBL 3 J1 Truth Table 50 2 V2 CBL 8 25 1 3 J3 CBL = 47 pF for operation > 500 MHz. VHigh = +3 V to +5 V. Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 2/00A 3