SP8853
feature
. The SP8853 is specified at 1- 3GHz at 255°C to1125°C (A grade) and 240°C to185°C (B grade).
FPD-
LOCK DETECT
PD1 OUTPUT
VEE3
27 26 25 24 23
FREF- POWER DOWN VEE4 VCC4 VCC1 RF INPUT RF INPUT
Cd
5 6 7 8 9 10 11 12 13 14 15 16 17 18
PD2 OUTPUT RPD VCC3 GROUND XTAL 1 XTAL2 VEE2
22 21 20 19
DATA
CLOCK
ENABLE
F1/F2
VEE1
FEATURES s Improved Digital Phase Detector Eliminates ‘Dead Band’ Effects s Low Operating Power, Typically 175m W s 1- 3GHz Operating Frequency s plete Phase Locked Loop s High Input Sensitivity s Programmed through Three-Wire Bus s Wide Range of Reference Division Ratios s Local Storage for Two Frequency Words, giving Rapid Frequency Toggling s Programmable Phase Detector Gain s Power Down Mode ABSOLUTE MAXIMUM RATINGS
Supply voltage Storage temperature Prescaler input voltage 20- 3V to 17V 255°C to 1150°C 2- 5V p-p
VCC2
HC28
- FPD and FREF outputs are reversed by the phase detector sense bit in the F1/F2 programming...
