(China (Mainland))
Product Summary
The NE568AD is a monolithic phase-locked loop (PLL) which operates from 1Hz to frequencies in excess of 150MHz and features an extended supply voltage range and a lower temperature coefficient of the VCO center frequency in comparison with its predecessor, the NE 568. The NE568AD is function and pin-compatible with the NE568, requiring only minor changes in peripheral circuitry. The design of the NE568AD is particularly well-suited for demodulation of FM signals with extremely large deviation in systems which require a highly linear output. In satellite receiver applications with a 70MHz IF, the NE568AD will demodulate ±20% deviations with less than 1.0% typical non-linearity. In addition to high linearity, the circuit has a loop filter which can be configured with series or shunt elements to optimize loop dynamic performance. The NE568AD is available in 20-pin dual in-line and 20-pin SO (surface mounted) plastic packages.
Parametrics
NE568AD absolute maximum ratings: (1)VCC Supply voltage: 6 V; (2)TJ Junction temperature: +150 ℃; (3)TSTG Storage temperature range: -65 to +150 ℃; (4)PDMAX Maximum power dissipation: 400 mW; (5)qJA Thermal resistance: 80 ℃/W.
Features
NE568AD features: (1)Operation to 150MHz; (2)High linearity buffered output.
Diagrams
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