OrdeOrderiring numbeng numberr : ENA0788A : ENA0788A LC72131K LC72131KMA CMOS IC PLL Frequency Synthesizer Overview The LC72131K and LC72131KMA are PLL frequency synthesizers for use in tuners in radio/cassette players. They allow high-performance AM/FM tuners to be implemented easily. Features High speed programmable dividers FMIN: 10 to 160MHz .. pulse swallower (built-in divide-by-two prescaler) AMIN: 2 to 40MHz . pulse swallower 0.5 to 10MHz .. direct division IF counter IFIN: 0.4 to 12MHz . AM/FM IF counter Reference frequencies Twelve selectable frequencies (4.5 or 7.2MHz crystal) 100, 50, 25, 15, 12.5, 6.25, 3.125, 10, 9, 5, 3, 1kHz Phase comparator Dead zone control Unlock detection circuit Deadlock clear circuit Built-in MOS transistor for forming an active low-pass filter I/O ports Dedicated output ports: 4 Input or output ports: 2 Support clock time base output Serial data I/O Support CCB format communication with the system controller. Continued on next page. CCB is ON Semiconductor s original format. All addresses are managed by ON Semiconductor for this format. CCB is a registered trademark of Semiconductor Components Industries, LLC. Semiconductor Components Industries, LLC, 2013 O3112HK 20120919-S00009/51407HKIM 20070328-S00008,S00009 No.A0788-1/22 June, 2013 LC72131K, LC72131KMA Continued from preceding page. Operating ranges Supply voltage ........................4.5 to 5.5V Operating temperature ............ -40 to +85C Packages DIP22S(300mil) / MFP20J(300mil) Specifications Absolute Maximum Ratings at Ta = 25C, V = 0V SS Parameter Symbol Pins Conditions Ratings Unit Supply voltage V max V -0.3 to +7.0 V DD DD Maximum input voltage V 1 max CE, CL, DI, AIN -0.3 to +7.0 V IN V 2 max XIN, FMIN, AMIN, IFIN -0.3 to V+0.3 V IN DD IO1 IO2 V 3 max , -0.3 to +15 V IN Maximum output voltage V 1 max DO -0.3 to +7.0 V O V 2 max XOUT, PD -0.3 to V+0.3 V O DD BO1 BO4 IO1 IO2 V 3 max to , , , AOUT -0.3 to +15 V O BO1 Maximum output current I 1 max 0 to 3.0 mA O I 2 max DO, AOUT 0 to 6.0 mA O I 3 max BO2 to BO4, IO1, IO2 0 to 10 mA O Allowable power dissipation Pd max Ta85C LC72131K 350 mW Ta85C LC72131KMA 180 mW Topr Operating temperature -40 to +85 C Tstg Storage temperature -55 to +125 C Note 1: Power pins V and V : Insert a capacitor with a capacitance of 2,000pF or higher between these pins when DD SS using the IC. Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. No.A0788-2/22