PL502-03

PL502-03 Low Phase Noise VCXO (48MHz to 100MHz) FE AT UR E S  VCXO output for the 48MHz to 100MHz range  Low phase noise (-130 dBc @ 10kHz offset at 48MHz)  LVCMOS output  12 to 25MHz crystal input  Integrated variable capacitors  Selectable High Drive (30mA) or Standard Drive (10mA) output  Wide pull range (± 250 ppm typ)  Low period jitter: 3.5ps RMS  3.3V operation  Available in 8-Pin SOP PIN CONFIGURATION XOUT N/C VCON GND 1 2 3 4 PL502-03 8 7 6 5 SOP-8L Note: ^ denotes internal pull up XIN OE^ VDD CLK DESCRIPTION The PL502-03 is a low cost, high performance and low phase noise VCXO for the 48 to 100MHz range, providing less than -130dBc at 10kHz offset at 48MHz. The very low jitter (3.5ps RMS period jitter) makes this chip ideal for applications requiring voltage controlled frequency sources. Input crystal can range from 12 to 25MHz (fundamental resonant mode). OUTPUT RANGE MULTIPLIER FREQUENCY RANGE X4 48 - 100MHz OUTPUT BUFFER LVCMOS BLOCK DIAGRAM VCO Divider Reference Divider Phase Comparator Charge Pump XIN XOUT XTAL OSC VARICAP VCON Loop Filter VCO OE CLK Micrel Inc. 2180 Fortune Drive San Jose, CA 95131 USA tel +1(408) 944-0800 fax +1(408) 474-1000 www.micrel.com Rev 5/16/11 Page 1 PIN DESCRIPTIONS Name Number XOUT N/C VCON GND CLK VDD 1 2 3 4 5 6 OE 7 XIN 8 PL502-03 Low Phase Noise VCXO (48MHz to 100MHz) Type Description I Crystal output. See Crystal Specifications on page 4. - Not connected. I Voltage...