LC7265

Ordering number: EN 1197F CMOS IC LC7265 Received Frequency Display for Radio Receivers Features Package Dimensions unit : mm . Displays received frequency of each band of FM, MW, LW static display). . (LED Counts local oscillation frequency and displays received . frequency. Number of display digits : FM-5 digits, MW-4 digits, LW-3 . digits. Covers intermediate frequencies shown below. +10.700, +10.725, +10.750, +10.675 MHz –10.700, –10.725, –10.675, –10.650 MHz MW, LW : +450 kHz : 10 kHz step display +450 kHz : 1 kHz step display +455 kHz : 1 kHz step display +469 kHz : 1 kHz step display Contains blanking circuit to turn off display. Contains hold circuit to hold display contents. Uses crystal resonator having 7.2 MHz reference frequency. Uses LB3500 (÷8 prescaler) jointly at the time of FM reception. Supply voltage VDD : 4.5 V to 10 V FM : 3025B-DIP42S [LC7265] . . . . . SANYO : DIP42S Specifications Absolute Maximum Ratings at Ta = 25 °C, VSS = 0 V Parameter Maximum supply voltage Input voltage Output voltage Allowable power dissipation Allowable power dissipation of segment outputs Symbol VDD max VIN VO1 VO2 Pd max Pd (seg)1 Pd (seg) 2 Pd (seg) 3 Pd (seg) 4 Operating temperature Storage temperature Topr Tstg All input pins XOUT, HLD, 50 Hz, output: off Output pins other than VO1 Ta % 65 °C MHz, b&c, b&e, VDD = 4.5 to 6.5 V, IOL = 33 mA Other outputs, VDD = 4.5 to 6.5 V, IOL = 16.5 mA MHz, b&c, b&e, VDD = 6.0 to 10 V, IOL = 36 mA Other outputs, VDD = 6.0 to 10 V...