FMS2017QFN Preliminary Data Sheet 2.1 2.4GHz DPDT GaAs Single-Band WLAN Switch Features: Functional Schematic V4 ♦ ♦ 3x3x0.9mm Packaged pHEMT Switch Suitable for Single-band WLAN 802.11b/g Applications ♦ Excellent low control voltage performance ♦ Very low Insertion loss typ. 0.6dB at 2.5GHz ♦ High isolation typ. 23dB at 2.5GHz ♦ Filtronic Advanced GaAs pHEMT Technology TX / RF1 V3 ANT2 RF4 ANT1 RF3 V1 RX / RF2 V2 Description and Applications: The FMS2017QFN is a low loss, single band Gallium Arsenide antenna diversity switch designed for use in Wireless LAN applications. The die is fabricated using the Filtronic FL05 0.5µm switch process technology that offers leading edge performance, optimised for switch applications. The FMS2017QFN is designed for use in 802.11b/g WLAN modules. Electrical Specifications: (TAMBIENT = 25°C,Vctrl = 0V/(2.4V,+3.3V), ZIN = ZOUT = 50Ω) Parameter Conditions Insertion Loss (All Paths) 2.5GHz, Small Signal 0.6 dB Isolation (All Paths) 2.5GHz, Small Signal 23 dB Return Loss 2.5GHz, Small Signal 20 dB P0.1dB 2.5GHz Control Voltage 3.0V >33 dBm 2nd Harmonic Level 2.4GHz, Pin = 32dBm, Vctrl =2.4V -65 dBc 3rd Harmonic Level 2.4GHz, Pin = 32dBm, Vctrl =2.4V -65 dBc Switching speed Vctrl=2.4V, Pin=20dBm 20 nS Note: Min Typ Max External DC blocking capacitors are required on all RF ports (typ: 47pF) 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 Units FMS2017QFN Preliminary Data Sheet 2.1 Absolute Maximum Ratings: Parameter Symbol Absolute Maximum Max Input Power Pin +38dBm Control Voltage Vctrl +5V Operating Temperature Toper -40°C to +100°C Storage Temperature Tstor -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 V1 V2 V3 V4 RX ANT1 RX ANT2 TX ANT2 TX ANT1 1 High Low Low Low Insertion Loss Isolation Isolation Isolation 2 Low High Low Low Isolation Insertion Loss Isolation Isolation 3 Low Low High Low Isolation Isolation Insertion Loss Isolation 4 Low Low Low High Isolation Isolation Isolation Insertion Loss 5 Low High Low High Isolation Insertion Loss Isolation Insertion Loss 6 High Low High Low Insertion Loss Isolation Insertion Loss Isolation General Test Conditions: LOW = 0V to 0.2V Bias Voltages HIGH +2.4V to +3.3V 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 FMS2017QFN Preliminary Data Sheet 2.1 Typical Measured Performance on Evaluation Board (De-Embedded): (Measurement Conditions VCTRL=3V, TAMBIENT = 25°C unless otherwise stated) FMS2017QFN DE EMBEDDED INSERTION LOSS 0 -0.1 -0.2 -0.3 dB -0.4 -0.5 -0.6 -0.7 -0.8 -0.9 -1 0.5 1 1.5 2 Frequency (GHz) 2.5 3 FMS2017QFN ISOLATION -15 -17.5 -20 -22.5 dB -25 -27.5 -30 -32.5 -35 -37.5 -40 0.5 1 1.5 2 Frequency (GHz) 2.5 3 2.5 3 FMS2017QFN RETURN LOSS -10 -12.5 -15 -17.5 -20 dB -22.5 -25 -27.5 -30 -32.5 -35 -37.5 -40 0.5 1 1.5 2 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) 850 5790 Fax: +1 (408) 850 5766 Email: [email protected] Website: www.filtronic.co.uk/semis FMS2017QFN Preliminary Data Sheet 2.1 Pad Layout: TX V4 Pin 1 RF1 12 11 V3 10 9 ANT1 RF3 ANT2 RF4 PADDLE 2 7 3 4 V1 5 RX RF2 6 V2 Pin Number Description 1 N/C 2 ANT1 / RF3 3 N/C 4 V1 5 RX / RF2 6 V2 7 N/C 8 ANT2 / RF4 9 N/C 10 V3 11 Tx / RF1 12 V4 PADDLE GND *View from the top of the package 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) 850 5790 Fax: +1 (408) 850 5766 Email: [email protected] Website: www.filtronic.co.uk/semis FMS2017QFN Preliminary Data Sheet 2.1 Evaluation Board: V4, GND, V3 BOM RF1/TX C1 C1 C2 C2 RF3/ANT1 C1 Capacitor, 100pF, 0603 C2 Capacitor, 47pF, 0402 Preferred evaluation board material is 0.25 mm thick ROGERS RT4350. All RF tracks should be 50 ohm characteristic C2 C2 Component BOARD C2 C2 Label impedance. C2 RF4/ANT2 C2 Absolute placement of surface mount de-coupling capacitors is not critical. C1 C1 RF2/RX V1, GND, V2 Evaluation Board De-Embedding Data (Measured): FMS2017QFN CAL BOARDS INSERTION LOSS 0 -17.5 -0.1 -20 -0.2 -22.5 -0.3 -25 -0.4 -27.5 -0.5 dB dB FMS2017QFN CAL BOARDS RETURN LOSS -15 -30 -32.5 -0.6 -35 -0.7 -37.5 -0.8 -40 -0.9 -42.5 -1 -45 0.5 1 1.5 2 Frequency (GHz) 2.5 3 0.5 1 1.5 2 Frequency (GHz) 2.5 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) 850 5790 Fax: +1 (408) 850 5766 Email: [email protected] Website: www.filtronic.co.uk/semis 3 Preliminary Data Sheet 2.1 FMS2017QFN Ordering Information: Part Number Description FMS2017-001 Packaged Die FMS2017-001-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) 850 5790 Fax: +1 (408) 850 5766 Email: [email protected] Website: www.filtronic.co.uk/semis