Product Overview MC100EL1648: Voltage Controlled Oscillator, ECL, 5.0 V For complete documentation, see the data sheet Product Description The MC100EL1648 requires an external parallel tank circuit consisting of the inductor (L) and capacitor (C). A varactor diode may be incorporated into the tank circuit to provide a voltage variable input for the oscillator (VCO). This device may also be used in many other applications requiring a fixed frequency clock. The MC100EL1648 is ideal in applications requiring a local oscillator. Systems include electronic test equipment and digital high-speed telecommunications. The MC100EL1648 is based on the VCO circuit topology of the MC1648. The MC100EL1648 uses advanced bipolar process technology which results in a design which can operate at an extended frequency range. The ECL output circuitry of the MC100EL1648 is not a traditional open emitter output structure and instead has an on-chip termination resistor with a nominal value of 510 ohms. This facilitates direct ac-coupling of the output signal into a transmission line. Because of this output configuration, an external pull-down resistor is not required to provide the output with a dc current path. This output is intended to drive one ECL load. If the user needs to fanout the signal, an ECL buffer such as the MC10EL16 Line Receiver/Driver should be used NOTE: The MC100EL1648 is NOT useable as a crystal oscillator. Features • • • • • • • • • • Typical Operating Frequency Up to 1100 MHz Low-Power 19 mA at 5.0 Vdc Power Supply Phase Noise -90 dBc/Hz at 25 kHz Typical ESD Protection: >2 KV HBM, >100 V MM PECL Mode Operating Range: VCC= 5.0 V with VEE= 0 V NECL Mode Operating Range: VCC= 0 V with VEE= -5.2 V Input Capacitance= 6.0 pF (TYP) Meets or Exceeds JEDEC Spec EIA/JESD78 IC Latchup Test Maximum Series Resistance for L (External Inductance)= 50 <FONT FACE=SYMBOL>W</FONT> (TYP) Moisture Sensitivity Level 1. For Additional Information, see Application Note AND8003/D For more features, see the data sheet Part Electrical Specifications Product Compliance Status Input Level Output Level fMax Typ (MHz) VCC Typ (V) Duty Cycle (%) Package Type MC100EL1648DG Pb-free Active ECL ECL 1100 5.5 50 SOIC-8 Pb-free Active ECL ECL 1100 5.5 50 TSSOP-8 Active ECL ECL 1100 5.5 50 TSSOP-8 MC100EL1648DTG Halide free MC100EL1648DTR2G Pb-free Halide free For more information please contact your local sales support at www.onsemi.com Created on: 6/30/2016