LA7578N

Ordering number: EN 4952 Monolithic Linear IC LA7578N IF Signal Processing (Super PLL-II VIF + SIF) Circuit for TVs and VCRs Overview The LA7578N is an intercarrier-type VIF + SIF IC that supports excellent sound quality and image quality. The pin assignment of the LA7578N is identical to that of the LA7577N, allowing the LA7577N to be used for split systems while the LA7578N is used for intercarrier systems. In addition, the LA7578N suppresses Nyquist buzz interference by using a PLL detection system with a buzz canceller in order to provide the best sound quality possible. Package Dimensions unit : mm 3067-DIP24S [LA7578N] Functions . . . . . . [SIF Block] . Limiter amplifier [Mute] . Audio mute (pin 2) . IS-15 switch (pin 13) Features [VIF Block] VIF amplifier VCO APC filter B/W NC AFT IF AGC . PLL detector . Equalizer amplifier . Lock detection . RF AGC . APC detector . Buzz canceller . FM quadrature detector . AV mute (pin 4) SANYO : DIP24S . Excellent buzz and buzz-beat characteristics due to PLL system with buzz canceller. . detection Built-in APC time constant switch. . Duplicate time constant system suited for high-speed AGC. . Excellent DG and DP characteristics. . RF AGC adjustment is simple. SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN 81095HA (II)No.4952 - 1/18 LA7578N Specifications Maximum Ratings at Ta = 25 °C Parameter Maximum supply voltage Allowable power...