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LA1776M データシート(PDF) 2 Page - Sanyo Semicon Device |
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LA1776M データシート(HTML) 2 Page - Sanyo Semicon Device |
2 / 41 page No.8085-2/41 LA1776M Recommended Operating Conditions at Ta = 25°C Parameter Symbol Conditions Ratings Unit Maximum Recommended supply voltage VCC Pins 5, 9, 40, 46, 54, 59, 60, and 61 8 V VCCST IND Pin 39 5 V Operating supply voltage range VCC op 7.5 to 8.5 V Function List FM Front End (Equivalent to the Sanyo LA1193) • Double input type double balanced mixer, base injection • Pin diode drive AGC output • MOSFET second gate drive AGC output • Keyed AGC adjustment pin • Differential IF amplifier • Wide band AGC sensitivity setting pin, and narrow band AGC sensitivity setting pin FM IF • IF limiter amplifier • S-meter output (also used for AM) 6-stage pickup • Multipath detection pin (shared FM signal meter) • Quadrature detection • AF preamplifier • AGC output • Band muting • Soft muting adjustment pin • Muting attenuation adjustment pin • IF counter buffer output (also used for AM) • SD (IF counter buffer on level) adjustment pin • SD output (active high) (also used for AM) • Time constant switching during band muting • S-meter shifter Noise Canceller • High-pass filter (first order) • Delay circuit based low-pass filter (fourth order) • Noise AGC • Pilot signal compensation circuit • Noise sensitivity setting pin • Function for disabling the noise canceller in AM mode Multiplex Functions • Adjustment-free VCO circuit • Level follower type pilot canceller circuit • HCC (high cut control) • Automatic stereo/mono switching • VCO oscillation stop function (AM mode) • Forced monaural function • SNC (stereo noise controller) Specifications Maximum Ratings at Ta = 25°C Parameter Symbol Conditions Ratings Unit Maximum supply voltage VCC1 max Pins 5, 40, and 61 9 V VCC2 max Pins 9, 46, 54, 59, and 60 12 V Allowable power dissipation Pd max Ta ≤ 85°C 950 mW Operating temperature Topr –40 to +85 °C Storage temperature Tstg –40 to +150 °C |
同様の部品番号 - LA1776M_09 |
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同様の説明 - LA1776M_09 |
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