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LA4919N Datenblatt(PDF) 1 Page - Sanyo Semicon Device |
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LA4919N Datenblatt(HTML) 1 Page - Sanyo Semicon Device |
1 / 6 page N1506 MS PC B8-7776, B8-7179 No.A0323-1/6 Any and all SANYO Semiconductor 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 Semiconductor representative nearest you before using any SANYO Semiconductor products described or contained herein in such applications. SANYO Semiconductor 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 Semiconductor products described or contained herein. LA4919N Overview The LA4919N is a 2-channel 10W BTL high-efficiency power amplifier. By using a signal following switching system for the power supply to the amplifier output stage and by including a nonlinear amplifier in the signal system, the LA4919N holds the number of external components to a minimum and reduces the power consumption (thermal loss) in the operating range to one half that of earlier class B power amplifiers. The use of a DIP-28H package obviates the need for a separate heat sink and can contribute to internal space savings in end products. Features • High-efficiency 2-channel × 10W BTL power amplifier (VCC = 15V, RL = 8Ω) • Provided in a DIP-28H package (no heat sink is required) • The number of required signal-following switching circuits has been held to a single circuit, thus reducing even further the number of external components required. • The output is a fully analog signal, and no switching noise appears on the output lines. • Built-in standby switch (amplifier block/headphone block) • Built-in headphone amplifier : 2 inputs/2 outputs (VG = 6dB, PO = 60mW) • Built-in protection circuits (overvoltage and thermal protection circuits) Specifications Maximum Ratings at Ta = 25 °C Parameter Symbol Conditions Ratings Unit Maximum supply voltage VCC max No signal 24 V Allowable power dissipation Pd max With a infinity large heat sink 15 W Thermal resistance θj-c 3 °C/W Maximum junction temperature Tj max 150 °C Operating temperature Topr -25 to +75 °C Storage temperature Tstg -40 to +150 °C Monolithic Linear IC Two-Channel 10W BTL High-Efficiency TV Audio Output Power Amplifier Ordering number : ENA0323 |
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Ähnliche Beschreibung - LA4919N |
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