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| SPDT High Isolation Terminated Switch 0.5 - 3.0 GHz SW-475 Features n Positive Voltage Control (0 / +5 V) n High Isolation (53 dB typ. @ 0.9 GHz, Functional Schematic 16 15 14 13 50 dB typ @ 1.9 GHz) n 50-Ohm Internal Terminations n Low Insertion Loss (0.6 dB typ. @ 0.9 GHz, 0.7 dB typ. @ 1.9 GHz) n 4 mm FQFP-N 16-Lead Package RF2 1 2 3 RFC 4 V1 V2 5 6 RF1 12 11 10 9 Description The M/A-COM SW-475 GaAs monolithic switch provides high isolation in a low-cost, plastic surface mount package. The SW -475 is ideal for applications across a broad range of frequencies including synthesizer switching, transmit / receive switching, switch matrices and filter banks in systems such as radio and cellular equipment, PCS, GPS, and fiber optic modules. M/A-COM fabricates the SW-475 using an 0.5-micron gate length MESFET process. The process features full chip passivation for performance and reliability. 7 8 PIN Configuration Pin Function Description Pin Function Description 17 GND RF ground -- -- -- 1 2 3 4 5 6 7 8 RF2 GND GND V1 V2 GND RFC GND RF port RF ground RF ground Control 1 Control 2 RF ground RF port RF ground (pad) 16 15 14 13 12 11 10 9 GND GND GND GND RF1 GND GND GND RF ground RF ground RF ground RF ground RF port RF ground RF ground RF ground Handling Procedures The following precautions should be observed to avoid damage: Static Sensitivity Gallium arsenide integrated circuits are ESD sensitive and can be damaged by static electricity. Use proper ESD precautions when handling these devices. Truth Table Mode (Control) Positive1 Negative2 V1 0 1 V2 1 0 RFC RF1 ON OFF RFC RF2 OFF ON Logic Level V LO "0" = V HIGH 1" = Voltage Level 0 0.2 V V C 0.2 V 1. External DC blocking capacitors required on all RF ports. We recommend 47 pF. 2. 3.0 V < VC < 8.0 V. SPDT High Isolation, Terminated Switch, 0.5 - 3.0 GHz Electrical Specifications: Parameter Insertion Loss 0.5- 1 GHz 1.0 - 2.0 GHz 2.0 - 3.0 GHz Isolation 0.5 - 1 GHz 1.0 - 2.0 GHz 2.0 - 3.0 GHz Return Loss 0.5 - 1 GHz 1.0 - 2.0 GHz 2.0 - 3.0 GHz Input IP2 Input IP3 TRISE, TFALL TON, TOFF Transients 2-Tone 900 MHz, 5 MHz spacing (V C = 5.0 V) 2-Tone 900 MHz, 5 MHz spacing (V C = 5.0 V) 10% to 90% RF & 90% to 10% RF 50% of V C to 10 % / 90% RF V C = 5.0 V square wave, in-band SW-475 V 1.00 TA = 25 C, VCTL = 0, 5.0 V (unless otherwise specified) Units dB dB dB dB dB dB dB dB dB dBm dBm nS nS mV 51 48 45 15 15 15 Min. Typ. 0.6 0.7 0.75 54 52 50 20 20 20 83 43 24 15 12 Max. 0.7 0.8 0.9 Test Conditions 1. DC blocking capacitors requires on all RF ports. Absolute Maximum Ratings 1 Parameter Max Input Power (0.5 - 3.0 GHz) 3 V Control 5 V Control Operating Voltage Operating Temperature Storage Temperature Absolute Maximum +30 dBm +33 dBm +8.5 volts -40 C to +85 C -65 C to +150 C 1. Exceeding any one or combination of these limits may cause permanent damage. Specifications subject to change without notice. n North America: Tel. (800) 366-2266, Fax (800) 618-8883 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. 2 SPDT High Isolation, Terminated Switch, 0.5 - 3.0 GHz Typical Performance Curves SW-475 V 1.00 Return Loss Vs. Frequency 30 Insertion Loss Vs. Temperature 0.8 +85 C 25 OUTPUT RETURN LOSS ("OFF" STATE) 0.7 +25 C 20 INPUT RETURN LOSS ("ON" STATE) 0.6 -40 C 15 0.5 10 0.5 1.0 1.5 2.0 2.5 3.0 0.4 0.5 1.0 1.5 2.0 2.5 3.0 FREQUENCY (GHz) FREQUENCY (GHz) Isolation Vs. Frequency Over Temperature 65 60 +25 C 55 +85 C -40 C 50 0.5 1.0 1.5 2.0 2.5 3.0 FREQUENCY (GHz) Specifications subject to change without notice. n North America: Tel. (800) 366-2266, Fax (800) 618-8883 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. 3 SPDT High Isolation, Terminated Switch, 0.5 - 3.0 GHz 4-mm FQFP-N, 16-Lead (MLP) Package A A2 Dim SW-475 V 1.00 D D1 1 6 A3 A1 A A1 A2 A3 Min. 0.80 0 0.70 Measurement (mm) Nom. Max. 0.90 1.00 0.02 0.65 0.20 ref. 0.284.00 basic 3.75 basic 0.05 1.00 1 E E1 2 3 b D D1 0.23 - 0.35 - 16 x b D2 e 4xe E2 D2 e E E1 0.75 - 1.70 0.65 basic 4.00 basic 3.75 basic 2.25 - E2 L 0.75 0.50 typ. 1.70 0.60 typ. 2.25 0.75 typ. L e 4xe Note: See JEDEC MO-220A VGGC for additional dimensional and tolerance information. Ordering Information Part Number SW-475 PIN SW-475TR SW-475TR-3000 SW-475SMB Package 4-mm FQFP 16-lead Plastic -N Package Forward tape and reel1 3000 tape and reel1 Sample board 1. If you need a specific reel size, please consult the factory for part number. Specifications subject to change without notice. n North America: Tel. (800) 366-2266, Fax (800) 618-8883 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. 4 |
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