LC72148V Datasheet | SANYO

Ordering number : ENN6974A CMOS IC Electronic Tuning PLL Frequency Synthesizer for Car Stereo Systems Overview The LC72148V is a 3 V version of the LC72146 PLL frequency synthesizer that can easily implement a variety of 3 V power supply tuners, including in-car navigation system receivers based on the VICS FM multiplex system. Functions - High-speed programmable divider - FMIN: 10 to 180 MHz ... Pulse swallower technique - AMIN: 2 to 40 MHz ... Pulse swallower technique 0.5 to 10 MHz ... Direct division technique - IF counters - HCTR: 0.4 to 25 MHz ... Frequency measurement - LCTR: 10 to 500 k Hz ... Frequency measurement 1.0 to 20 × 103 Hz ... Period measurement - Reference frequency - One of 12 reference frequencies can be selected (Crystal resonator: 7.2 or 4.5 MHz) 1, 3, 5, 9, 10, 3.125, 6.25, 12.5, 25, 30, 50, and 100 k Hz - Phase parator - Provides dead zone control - Built-in unlock detection circuit - Built-in deadlock clear circuit - Sub-charge pump for high-speed locking - Built-in MOS transistor for implementing an active lowpass filter - I/O ports: Five general-purpose I/O ports. - Input: 7 pins (maximum) - Output: 7 pins (maximum. N-channel: 4 pins, CMOS: 3 pins) - A clock time base signal (8 Hz) can be output. - Serial data I/O - Supports munication with a controller in the CCB format. - Uses the same serial data as the LC72146. - Operating ranges - Supply voltage: 2.7 to 3.6 V - Operating...