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SP8855E Datasheet(PDF) 8 Page - Zarlink Semiconductor Inc |
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SP8855E Datasheet(HTML) 8 Page - Zarlink Semiconductor Inc |
8 / 14 page 8 SP8855E Advance Information C-LOCK DETECT (HIGH WHEN LOCKED) 18 Vcc 50k 3k 3k V REF 4.7V 20 µA 100 µA 0V Rset 19 Vcc CHARGE PUMP CURRENT SOURCES 130 50 µA 40k 40k 5k 5k INPUT 0V Vcc Vcc LOCK DETECT OUTPUT 2k5 2k5 3k 3k 17 400 µA 100 100 1k 11 0V LOW WHEN LOCKED CHARGE PUMP OUTPUT REFERENCE Vcc 450 450 20 21 83 83 Vcc UP DOWN 2mA Figure 7a - RF and reference divider programming bits, F pd/ F ref enable, control direction and phase detector gain control inputs Figure 7b - RF inputs Figure 7c - Lock detect decouple Figure 7d - Lock detect output Figure 7e - R set pin Figure 7f - Charge pump circuit Figure 7 - Interface circuit diagrams Vcc 13 4k 325 325 14 500 500 3k 3mA 0V RF INPUT RF INPUT |
Similar Part No. - SP8855E |
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Similar Description - SP8855E |
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