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PE9309-01 Datasheet(PDF) 2 Page - Peregrine Semiconductor Corp. |
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PE9309-01 Datasheet(HTML) 2 Page - Peregrine Semiconductor Corp. |
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2 / 6 page  Preliminary Specification PE9309 Page 2 of 6 ©2007-2009 Peregrine Semiconductor Corp. All rights reserved. Document No. 70-0241-04 │ UltraCMOS™ RFIC Solutions 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 specified rating. Latch-Up Avoidance Unlike conventional CMOS devices, UltraCMOS™ devices are immune to latch-up. Figure 3. Pin Configuration (Top View) Table 2. Pin Descriptions Pin No. Pin Name Description 1 VBYPS Prescaler Supply Bypass 2 VBYPS Prescaler Supply Bypass 3 IN RF Input 4 GND Ground 5 NC Not Connected 6 OUT RF Output. 7 VDD Supply Voltage 8 RBIAS Frequency-Selecting Bias Resistor GND GND Bottom of the package is Ground. Connecting the bottom of the package to ground is required Table 4. Absolute Maximum Ratings Symbol Parameter/Conditions Min Max Units VDD DC Supply voltage 3.0 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 14 dBm Device Functional Considerations The PE9309 divides a 3.0 GHz to 13.5 GHz input signal by four, producing a 750 MHz to 3.375 GHz output signal. In order for the prescaler to work properly, several conditions need to be adhered to. It is crucial that pins 1, 2 and 7 be supplied with bypass capacitors to ground. In addition, the output signal (pins 6) needs to be ac coupled via an external capacitor as shown in the test circuit in Figure 5. The input frequency range is selected by the value of RBIAS according to Figure 4. The ground pattern on the board should be made as wide as possible to minimize ground impedance. The bottom of the package is the primary ground connection and it needs to be soldered to the PCB ground. Exceeding absolute maximum ratings may cause permanent damage. Operation should be restricted to the limits in the Operating Ranges table. Operation between operating range maximum and absolute maximum for extended periods may reduce reliability. 9309 1 2 3 4 RF IN GND VBYPS 8 7 6 5 RBIAS VDD RF OUT NC VBYPS Top View Side View GND Parameter Min Typ Max Units Supply Voltage (VDD) 2.45 2.6 2.75 V Supply Current (IDD) 6 23 mA Table 3. Operating Ranges Figure 4. Frequency versus RBIAS 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 5 10 15 20 25 30 35 40 45 50 55 60 RBIAS (KOhm) Lower Freq Lim Optimal Freq Lim Upper Freq Lim |
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