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SP8854DIGHCAR Datasheet(PDF) 6 Page - Zarlink Semiconductor Inc |
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SP8854DIGHCAR Datasheet(HTML) 6 Page - Zarlink Semiconductor Inc |
6 / 14 page SP8854D 8 40k 40k 5k 5k VCC INPUT 50 mA 0V 4k 325 325 VCC 3mA 0V RF INPUT RF INPUT 13 14 3k 500 500 Fig.7a 16 bit input bus, Fpd/Fref enable, control direction, reference divider inputs and strobe Fig. 7b RF inputs Fig. 7c Lock detect decouple VCC 100 mA C–LOCK DETECT (HIGH WHEN LOCKED) 18 3k 50k 3k VREF 4.7V 20 mA 0V 2k5 2k5 3k 3k LOW WHEN LOCKED LOCK DETECT OUTPUT 17 400 mA 100 100 0V Fig. 7d Lock detect output 1k 11 VCC VCC Rset 19 130 CHARGE PUMP CURRENT SOURCES Fig. 7e Rset pin. VCC VCC 20 21 450 83 83 2mA UP DOWN REFERENCE CHARGE PUMP OUTPUT 450 Fig. 7f Charge pump circuit Fig. 7 Interface circuit diagrams |
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Similar Description - SP8854DIGHCAR |
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