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GaAs SP4T 2.5V High Power Switch DC - 3 GHz Preliminary Jan 16 2002 MASWSS0020 Features * * * * * * Low Voltage Operation 2.5V Low Harmonics > 65 dBc at +34 dBm & 1 GHz Low Insertion Loss 0.6 dB at 1 GHz High Isolation 23 dB at 2 GHz Miniature FQFP 16-lead 4x4mm Package 0.5 micron GaAs pHEMT Process Functional Schematic GND PIN 16 PIN 1 V1 RF1 39 pF GND ANT 39 pF V4 RF4 39 pF Description M/A-COM's MASWSS0020 is a GaAs PHEMT MMIC single pole four throw (SP4T) high power switch in a low cost miniature FQFP 16-lead 4x4mm package. The MASWSS0020 is ideally suited for applications where high power, low control voltage, low insertion loss, high isolation, small size and low cost are required. Typical applications are for GSM and DCS handset systems that connect separate transmit and receive functions to a common antenna, as well as other handset and related applications. This part can be used in all systems operating up to 3 GHz requiring high power at low control voltage. The MASWSS0020 is fabricated using a 0.5 micron gate length GaAs PHEMT process. The process features full passivation for performance and reliability. GND GND RF3 39 pF GND RF2 39 pF GND Pin Configuration PIN No. 1 2 PIN Name V1 RF1 GND RF2 GND V2 V3 GND RF3 GND GND RF4 GND V4 GND ANT GND (paddle) Description Control 1 RF Port 1 RF Ground RF Port 2 RF Ground Control 2 Control 3 RF Ground RF Port 3 RF Ground RF Ground RF Port 4 RF Ground Control 4 RF Ground Antenna Port RF Ground Absolute Maximum Ratings Parameter Max Input Power (0.5 - 3 GHz, 2.5V Control) Operating Voltage Operating Temperature Storage Temperature 1 3 4 5 6 7 Absolute Maximum +38 dBm +8.5 volts -40 oC to +85 oC -65 C to +150 C o o 8 9 10 11 1. Exceeding any one or combination of these limits may cause permanent damage. 12 13 14 15 16 17 GND V2 V3 GaAs SP4T 2.5V High Power Switch Electrical Specifications: TA = 25C, Z0 = 50 2 Parameter Insertion Loss Test Conditions DC - 1 GHz 1 - 2 GHz 2 - 3 GHz DC - 1 GHz 1 - 2 GHz 2 - 3 GHz DC - 3 GHz Two Tone +10dBm, 5 MHz Spacing, > 50 MHz Vc = 0V/2.5V Vc = 0V/2.5V 1 GHz, PIN = +34 dBm, Vc = 0V/2.5V 1 GHz, PIN = +34 dBm, Vc = 0V/2.5V 50% control to 90% RF, and 50% control to 10% RF 50 - 350 MHz Units dB dB dB dB dB dB dB dBm dBm dBc dBc 65 65 25 21 Min. MASWSS0020 V 1.00 Typ. 0.6 0.8 1.0 29 23 18.5 20 57 38 Max. 0.8 1.0 Isolation Return Loss IP3 P1dB 2nd Harmonic 3rd Harmonic Trise, Tfall Ton, Toff Transients Gate Leakage uS uS 1 1 mV |Vc| = 2.5V uA 10 100 2. Insertion Loss can be optimized by varying the DC Blocking Capacitor value, ie. 1000 pF for 100 MHz - 500 MHz, 39 pF for 0.5 GHz - 3 GHz. Truth Table 3 V1 +2.5 to +5V 0 + 0.2V 0 + 0.2V 0 + 0.2V V2 0 + 0.2V +2.5 to +5V 0 + 0.2V 0 + 0.2V V3 0 + 0.2V 0 + 0.2V +2.5 to +5V 0 + 0.2V V4 0 + 0.2V 0 + 0.2V 0 + 0.2V +2.5 to +5V ANT- RF1 On Off Off Off ANT - RF2 Off On Off Off ANT - RF3 Off Off On Off ANT - RF4 Off Off Off On 3. External DC blocking capacitors are required on all RF ports 2 Specifications subject to change without notice. North America: Tel. (800) 366-2266, Fax (800) 618-8883 Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. GaAs SP4T 2.5V High Power Switch Typical Performance Curves Insertion Loss vs. Frequency, 25 oC, 39 pF -0.5 -0.6 -0.7 -25 MASWSS0020 V 1.00 Isolation vs. Frequency, 25 oC, 39 pF -15 -20 -0.8 -0.9 -1 0.5 1 1.5 2 Frequency (GHz) 2.5 3 -30 -35 0.5 1 1.5 2 Frequency (GHz) 2.5 3 Harmonic Rejection vs. Control Voltage, 25 oC, 39 pF -60 Pin = +34 dBm @ 1 GHz -65 -70 -75 -80 -85 2.2 2.4 2.6 Control Voltage (V) 2.8 3 3rd Harmonic 2nd Harmonic 3 Specifications subject to change without notice. North America: Tel. (800) 366-2266, Fax (800) 618-8883 Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. GaAs SP4T 2.5V High Power Switch FQFP 16-lead 4x4 mm MASWSS0020 V 1.00 4 Specifications subject to change without notice. North America: Tel. (800) 366-2266, Fax (800) 618-8883 Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. GaAs SP4T 2.5V High Power Switch Handling Procedures The following precautions should be observed to avoid damage: MASWSS0020 V 1.00 Static Sensitivity Gallium Arsenide Integrated Circuits are ESD sensitive and can be damaged by static electricity. Proper ESD techniques should be used when handling these devices. Ordering Information Part Number MASWSS0020 MASWSS0020TR MASWSS0020SMB Package FQFP-N 16-lead Plastic Package 1000 piece reel Sample Test Board 5 Specifications subject to change without notice. North America: Tel. (800) 366-2266, Fax (800) 618-8883 Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. |
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