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SW-485SMB Datasheet(PDF) 1 Page - Tyco Electronics |
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SW-485SMB Datasheet(HTML) 1 Page - Tyco Electronics |
1 / 3 page Functional Schematic Features • Low Insertion Loss 0.3 dB Typ. @ 2.4 GHz • Moderate Isolation 21 dB @ 2.4 GHz • Low Power Consumption <5 µA @ +2.3V • Low Cost Plastic SOT-363 Package Description M/A-COM’s SW -485 is a GaAs PHEMT MMIC SPDT switch in a low cost SC-70 (SOT-363) surface mount plas- tic package. The SW-485 is ideally suited for applications where very small size and low cost are required. Typical applications are dual band systems where switching b e- tween small signal components is required such as filter banks, single-band LNAs, converters, etc. This part can be used for low power, low loss requirements in the all sys- tems operating up to 3 GHz, including PCS, GSM, DCS, Blue Tooth, and other Rx chain applications. The SW -485 is fabricated using a 0.5 micron gate length GaAs PHEMT process. The process features full passiv a- tion for performance and reliability. 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. Proper ESD tech- niques should be used when handling these devices. GaAs SPDT Switch 0.05 - 3.0 GHz RF1 GND RF2 V1 RFC V2 PIN 1 C=39pF C=39pF C=39pF Pin No. Function Description 1 RF1 RF Port 1 2 GND Ground 3 RF2 RF Port 2 4 V2 Control 2 5 RFC RF Input 6 V1 Control 1 Pin Configuration Truth Table 2 Mode (Control) Control V1 Control V2 RFC- RF1 RFC-RF2 Positive 1 0 ± 0.2V +2.3 to +5V +2.3 to +5V 0 ± 0.2V On Off Off On 2. External DC blocking capacitors are required on all RF ports. Parameter Absolute Maximum Max Input Power (0.5 - 3.0 GHz) 3 V Control +32 dBm 5 V Control +34 dBm Operating Voltage +8.5 volts Operating Temperature -40 °C to +85 °C Storage Temperature -65 °C to +150 °C 1. Exceeding any one or combination of these limits may cause permanent damage. Absolute Maximum Ratings 1 |
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