Descriptions
The CXA1787N is a frequency synthesizer PLL IC developed for use in mobile communication systems. This IC has low current consumption, small package and is suitable for portable sets of cellular telephone and others.

Features
• Low current consumption
    Icc = 8.0mA (typ.)
    0.3mA (typ.) in power saving mode
• Maximum operating frequency
    1.8GHz guaranteed
• Operating supply voltage range 2.7 to 5.5V
• Ultra small 20-pin SSOP package
• Two types of phase comparator output:
    For external charge pump φR φP
    Two internal charge pumps DO1 DO2

Applications
    1.1GHz-band mobile communication equipment such as cellular telephones