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3503-51 Datasheet(PDF) 2 Page - Peregrine Semiconductor Corp. |
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3503-51 Datasheet(HTML) 2 Page - Peregrine Semiconductor Corp. |
2 / 7 page Product Specification PE3503 Page 2 of 7 ©2005 Peregrine Semiconductor Corp. All rights reserved. Document No. 70-0050-04 │ UltraCMOS™ RFIC Solutions Table 2. Pin Descriptions Table 3. Absolute Maximum Ratings Electrostatic Discharge (ESD) Precautions When handling this UltraCMOS™ device, observe the same precautions that you would use with other ESD-sensitive devices. Although this device contains circuitry to protect it from damage due to ESD, precautions should be taken to avoid exceeding the rating specified in Table 3. Latch-Up Avoidance Unlike conventional CMOS devices, UltraCMOS™ devices are immune to latch-up. Figure 3. Pin Configuration (Top View) Device Functional Considerations The PE3503 takes an input signal frequency from 1500 MHz to 3500 MHz and produces an output signal frequency one-eighth that of the supplied input. In order for the prescaler to work properly, several conditions need to be adhered to. It is crucial that pin 3 be supplied with a bypass capacitor to ground. In addition, the input and output signals (pins 2 & 7, respectively) need to be AC coupled via an external capacitor as shown in the test circuit in Figure 7. The ground pattern on the board should be made as wide as possible to minimize ground impedance. Absolute Maximum Ratings are those values listed in the above table. Exceeding these values may cause permanent device damage. Exposure to absolute maximum ratings for extended periods may affect device reliability. 3503 1 2 3 4 8 7 6 5 IN GND DEC GND OUT VDD GND GND Pin No. Pin Name Description 1 VDD Power supply pin. Bypassing is required. 2 IN Input signal pin. Should be coupled with a capacitor (eg 15 pF) 3 DEC Power supply decoupling pin. Place a capacitor as close as possible and connect directly to the ground plane (eg 10 nF and 10 pF). 4 GND Ground pin. Ground pattern on the board should be as wide as possible to reduce ground impedance. 5 GND Ground pin. 6 GND Ground pin. 7 OUT Divided frequency output pin. This pin should be coupled with a capacitor (eg 100 pF). 8 GND Ground pin. Symbol Parameter/Conditions Min Max Units VDD Supply voltage 4.0 V TST Storage temperature range -65 150 °C TOP Operating temperature range -40 85 °C VESD ESD voltage (Human Body Model) 250 V PINMAX Maximum input power 10 dBm |
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