LC72147V
Overview
- High-speed programmable divider - FMIN: 10 to 180 MHz: Pulse swallower type
- IF counter - HCTR: 0.4 to 25 MHz: Frequency measurement
- Crystal oscillator: One of the following 4 frequencies may be selected: 10.35, 10.25, 7.2, and 4.5 MHz Reference frequency - One of 12 frequencies may be selected (when a 7.2 or 4.5 MHz crystal is used) 100*1, 50, 30*2, 25, 12.5, 6.25, 3.125, 10, 9*2, 5, 3*2, 1 kHz Notes:
- Cannot be used when a 10.35 or 10.25 MHz crystal is used
- Cannot be used when a 10.25 MHz crystal is used
- Phase comparator - Supports dead band control - Built-in unlock detection circuit - Sub-charge pump for fast locking - Built-in deadlock clearing circuit
- Built-in MOS transistor for forming an active low-pass filter
- CCB is a trademark of SANYO ELECTRIC CO., LTD.
- I/O ports - General-purpose I/O: 5 pins - Output: n-channel: 3 pins, CMOS: 2 pins - IFBC pin (LA1783/1750 IF counter buffer control pin)
- Serial data I/O - Supports communication with the controller in the CCB format.
