Ordering number: EN742G Monolithic Linear IC LA41822.3 W 2-Channel AF Power AmplifierFeaturesPackage Dimensions . unit : mm Built-in 2 channels enabling use in stereo and bridge amplifier applications. . 3022A-DIP12F High output: 2.3 W/channel, VCC = 9 V, RL = 4 Ω, and 4.7 W/bridge, RL = 8 Ω. [LA4182] Minimum number of external parts required : 9 pcs. min. 12 7 (Stereo/bridge). Small pop noise at the time of power supply ON/OFF due to built-in muting circuit. 7.62 6.45 . Good ripple rejection ratio due to built-in ripple filter. 0.4 . Soft tone at the time of output saturation. 1 6 . 5.12 Good channel separation. 19.4 . Voltage gain fixed at 45 dB (Bridge: 51 dB). Variable voltage gain available with external resistor added. 3.46 . 4.26max Easy to design radiator fin. 3.5 0.51min 3.6 1.3 0.5 0.81 2.54 SANYO : DIP12F Note) In general applications, heat generated in this package can be radiated through the Cu-foiled area of the printed circuit board, but since power dissipation Pd may be increased depending on the supply voltage and load conditions, it is recommended to use a fin additionally. SpecificationsMaximum Ratings at Ta = 25°C Parameter Symbol Conditions Ratings Unit With signal 11 V Maximum supply voltage VCC max Quiescent 15 V With printed circuit board Allowable power dissipation Pd max 4 W (Refer to Pd-Ta characteristics) Operating temperature Topr –20 to +75 °C Storage temperature Tstg –55 to +150 °C Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft’s control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications. SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO products described or contained herein. SANYO Electric Co.,Ltd. Semiconductor Company TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN 41596HA(II)/O207KI/2146KI/4025KI/O291KI,TS No.742-1/10