OBSOLETE PRODUCT — ADL5571:  2.5 GHz TO 2.7 GHz WiMAX Power Amplifier

Newer Alternatives:

  • ADL5606  2.5 GHz TO 2.7 GHz WiMAX Power Amplifier

The ADL5571 is a high linearity 2.5 GHz to 2.7 GHz power amplifier designed for WiMAX mobile terminals and CPEs using TDD operation at a duty cycle of 50% or lower. With a gain of 29 dB and an output compression point of 31 dBm, it can operate at an output power level up to 27 dBm while maintaining an EVM of ≤3% with a supply voltage of 5 V. PAE is 21% at POUT = 25 dBm with a 3.3 V supply voltage.

The ADL5571 RF input is matched to provide an input return loss of better than 10 dB. The open-collector output is externally matched with a microstrip line and an external shunt capacitor.

The ADL5571 operates over a supply voltage range from 3.2 V to 5 V with a current of 450 mA burst rms when delivering 25 dBm (3.3 V supply). A standby mode is available that reduces the quiescent current to 9 mA, which is useful when a TDD terminal is receiving data.

The ADL5571 is fabricated in a GaAs HBT process and is packaged in a 4 mm × 4 mm, 16-lead, Pb-free, RoHS-compliant LFCSP that uses an exposed paddle for excellent thermal impedance. It operates from −40°C to +85°C.

Applications

  • WiMAX mobile terminals and CPEs
  • ADL5571:  2.5 GHz TO 2.7 GHz WiMAX Power Amplifier

    Product Description

    The ADL5571 is a high linearity 2.5 GHz to 2.7 GHz power amplifier designed for WiMAX mobile terminals and CPEs using TDD operation at a duty cycle of 50% or lower. With a gain of 29 dB and an output compression point of 31 dBm, it can operate at an output power level up to 27 dBm while maintaining an EVM of ≤3% with a supply voltage of 5 V. PAE is 21% at POUT = 25 dBm with a 3.3 V supply voltage.

    The ADL5571 RF input is matched to provide an input return loss of better than 10 dB. The open-collector output is externally matched with a microstrip line and an external shunt capacitor.

    The ADL5571 operates over a supply voltage range from 3.2 V to 5 V with a current of 450 mA burst rms when delivering 25 dBm (3.3 V supply). A standby mode is available that reduces the quiescent current to 9 mA, which is useful when a TDD terminal is receiving data.

    The ADL5571 is fabricated in a GaAs HBT process and is packaged in a 4 mm × 4 mm, 16-lead, Pb-free, RoHS-compliant LFCSP that uses an exposed paddle for excellent thermal impedance. It operates from −40°C to +85°C.

    Applications

  • WiMAX mobile terminals and CPEs
  • DATA SHEET

    REPLACEMENT PARTS

    Rochester Electronics is the only authorized source of Analog Devices' products that have previously been discontinued or have become obsolete. Product availability should be checked directly with Rochester Electronics.



    Specifications

    1 dB Comp Point (dBm) 31dBm
    Isupply Pos (max) 135mA
    Specs @ (MHz) 2600MHz
    Frequency Range (MHz) 2500 to 2700
    Gain (dB) 29dB
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