Preliminary Data Sheet 2.2 FMS2020QFN GaAs Multi-Purpose Wide Band SPDT Switch Features: ♦ ♦ ♦ ♦ ♦ ♦ Functional Schematic ANT 3x3x0.9mm Packaged pHEMT Switch Suitable for L, S, and C-band digital cellular, cordless telephony and WLAN applications High isolation, 25dB typ at 2.5GHz Low insertion loss, 0.5dB typ at 2.5GHz Low insertion loss, 1.0dB typ at 6GHz P0.1dB > 38dBm at 2GHz V1 V2 RF1 RF2 Description and Applications: The FMS2020QFN is a low loss, high power and linear single pole dual throw Gallium Arsenide antenna switch. The die is fabricated using the Filtronic FL05 0.5µm switch process technology, which offers leading edge performance optimised for switch applications. The FMS2020QFN is designed for use in L, S, and C band wireless applications and WLAN access points where high linearity switching is required. Electrical Specifications: Parameter (TAMBIENT = 25°C,Vctrl = 0V/2.5V, ZIN = ZOUT = 50Ω) Test Conditions Min Typ Max Units 0.5 – 1.0 GHz 0.4 dB 1.0 – 2.0 GHz 0.45 dB 2.0 – 3.0 GHz 0.55 dB 3.0 – 4.0 GHz 0.65 dB 4.0 – 5.0 GHz 0.75 dB 5.0 –6.0 GHz 0.95 dB 0.5 – 2.5 GHz 23 dB 2.5 – 5.0 GHz 18 dB 0.5 – 1.0 GHz 30 dB 1.0 – 2.5 GHz 25 dB 2.5 – 6.0 GHz 18 dB 1.0 GHz >38 dBm 2.0 GHz >38 dBm 2.5 GHz >37 dBm 6.0 GHz >33 dBm 2nd Harmonic Level 1 GHz, Pin = +35 dBm, 100% Duty Cycle <-70 dBc 3rd Harmonic Level 1 GHz, Pin = +35 dBm, 100% Duty Cycle <-70 dBc Switching speed : T rise, T fall 10% to 90% RF and 90% to 10% RF <0.3 µs T on, T off 50% control to 90% RF and 50% control to 10% RF <1.0 µs Control Current +35dBm RF input @1GHz <10 µA Insertion Loss Return Loss Isolation Input power at 0.1dB compression point Note: External DC blocking capacitors are required on all RF ports (typ: 100pF) All unused ports terminated in 50Ω. 1 Preliminary specifications subject to change without notice Filtronic Compound Semiconductors Ltd Contact Details (UK): Tel: +44 (0) 1325 301111 Fax: +44 (0) 1325 306177 Email: [email protected] Contact Details (USA): Tel: +1 (408) 850-5790 Fax: +1 (408) 850-5766 Email: [email protected] Website: www.filtronic.co.uk/semis Preliminary Data Sheet 2.2 FMS2020QFN Absolute Maximum Ratings: Parameter Symbol Absolute Maximum Max Input Power Pin +38dBm Control Voltage V ctrl +5V Operating Temperature T oper -40°C to +100°C Storage Temperature T stor -55°C to +150°C Note: Exceeding any one of these absolute maximum ratings may cause permanent damage to the device. Truth Table: Switch State VC1 VC2 ANT– RF1 ANT– RF2 (A) HIGH LOW Insertion Loss Isolation (B) LOW HIGH Isolation Insertion Loss General Test Conditions: LOW = 0V to 0.2V Bias Voltages HIGH +2.5V to +5V Port Impedances 50Ω Off arm termination 50Ω 2 Preliminary specifications subject to change without notice Filtronic Compound Semiconductors Ltd Contact Details (UK): Tel: +44 (0) 1325 301111 Fax: +44 (0) 1325 306177 Email: [email protected] Contact Details (USA): Tel: +1 (408) 850-5790 Fax: +1 (408) 850-5766 Email: [email protected] Website: www.filtronic.co.uk/semis Preliminary Data Sheet 2.2 FMS2020QFN Typical Measured Performance on Evaluation Board (De-Embedded): (Measurement Conditions VCTRL = 2.5V (high) & 0V (low), TAMBIENT = 25°C unless otherwise stated) FMS2020QFN INSERTION LOSS DC to 3 Ghz 0 -0.1 -0.2 -0.3 dB dB -0.4 -0.5 -0.6 -0.7 -0.8 -0.9 -1 0.5 1 1.5 2 Frequency (GHz) 2.5 4.5 3 6 -15 dB dB 5.5 FMS2020QFN RF1 TO RF2 ISOLATION 802 11a bands -10 -20 -25 -20 -25 -30 -30 -35 0.5 1 1.5 2 Frequency (GHz) 2.5 4.5 3 5 5.5 6 Frequency (GHz) FMS2020QFN RETURN LOSS DC to 3Ghz -10 FMS2020QFN RETURN LOSS 802 11a bands -10 -15 -15 -20 -20 dB dB 5 Frequency (GHz) FMS2020QFN RF1 TO RF2 ISOLATION DC to 3Ghz -15 FMS2020QFN INSERTION LOSS 802 11a bands 0 -0.1 -0.2 -0.3 -0.4 -0.5 -0.6 -0.7 -0.8 -0.9 -1 -1.1 -1.2 -1.3 -1.4 -1.5 -25 -25 -30 -30 -35 -35 -40 -40 0.5 1 1.5 2 Frequency (GHz) 2.5 4.5 3 5 5.5 Frequency (GHz) 3 Preliminary specifications subject to change without notice Filtronic Compound Semiconductors Ltd Contact Details (UK): Tel: +44 (0) 1325 301111 Fax: +44 (0) 1325 306177 Email: [email protected] Contact Details (USA): Tel: +1 (408) 988 1845 Fax: +1 (408) 970 9950 Email: [email protected] Website: : www.filtronic.co.uk/semis 6 Preliminary Data Sheet 2.2 FMS2020QFN Pad Layout: V1 Pin 1 12 ANT 11 V2 10 9 PADDLE 2 RF1 8 7 3 4 5 RF2 6 *View from the top of the package Pin Number Description 1 N/C 2 N/C 3 RF1 4 N/C 5 N/C 6 N/C 7 RF2 8 N/C 9 N/C 10 V2 11 ANT RF 12 V1 PADDLE GND QFN 12 Lead 3*3 Package Outline: 4 Preliminary specifications subject to change without notice Filtronic Compound Semiconductors Ltd Contact Details (UK): Tel: +44 (0) 1325 301111 Fax: +44 (0) 1325 306177 Email: [email protected] Contact Details (USA): Tel: +1 (408) 988 1845 Fax: +1 (408) 970 9950 Email: [email protected] Website: : www.filtronic.co.uk/semis Preliminary Data Sheet 2.2 FMS2020QFN Evaluation Board: BOM Label Component C3,C4 Capacitor, 470pF, 0603 C1,C2 Capacitor, 100pF, 0402 C5,C6 Capacitor, 47pF, 0402 Preferred evaluation board material is 0.25 mm thick ROGERS RT4350. All RF tracks should be 50 ohm BOARD characteristic impedance. Evaluation Board De-Embedding Data (Measured): FMS2020QFN CAL BOARD INSERTION LOSSES 0 -12.5 -0.1 -15 -0.2 -17.5 -0.3 -20 -0.4 -22.5 dB dB FMS2020QFN CAL BOARD MATCH -10 -0.5 -25 -27.5 -0.6 -30 -0.7 -32.5 -0.8 -35 -0.9 -37.5 -40 -1 0.5 1 1.5 2 2.5 3 3.5 4 Frequency (GHz) 4.5 5 5.5 0.5 6 1 1.5 2 2.5 3 3.5 4 Frequency (GHz) 4.5 5 Preliminary specifications subject to change without notice Filtronic Compound Semiconductors Ltd Contact Details (UK): Tel: +44 (0) 1325 301111 Fax: +44 (0) 1325 306177 Email: [email protected] Contact Details (USA): Tel: +1 (408) 988 1845 Fax: +1 (408) 970 9950 Email: [email protected] Website: : www.filtronic.co.uk/semis 5 5.5 6 Preliminary Data Sheet 2.2 FMS2020QFN Ordering Information: Part Number Description FMS2020-001 Packaged Die FMS2020-001-EB Packaged die mounted on evaluation board Handling Precautions: To avoid damage to the devices care should be exercised during handling. Proper Electrostatic Discharge (ESD) precautions should be observed at all stages of storage, handling, assembly, and testing. These devices should be treated as Class 1A (0-500V). Further information on ESD control measures can be found in MIL-STD-1686 and MIL-HDBK-263. Preferred Assembly Instructions: Please refer to FCSL applications note: FAN 003 (handling and assembly of Filtronic QFN devices) Disclaimers: This product is not designed for use in any space based or life sustaining/supporting equipment. 6 Preliminary specifications subject to change without notice Filtronic Compound Semiconductors Ltd Contact Details (UK): Tel: +44 (0) 1325 301111 Fax: +44 (0) 1325 306177 Email: [email protected] Contact Details (USA): Tel: +1 (408) 988 1845 Fax: +1 (408) 970 9950 Email: [email protected] Website: : www.filtronic.co.uk/semis