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LA1837M Datasheet(PDF) 2 Page - Sanyo Semicon Device |
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LA1837M Datasheet(HTML) 2 Page - Sanyo Semicon Device |
2 / 9 page LA1837M No.8271-2/9 Operating Conditions at Ta = 25 °C Parameter Symbol Conditions Ratings Unit Recommended supply voltage VCC 9 V Operating supply voltage range VCC op 7.0 to 11.0 V Electrical Characteristics at Ta = 25 °C VCC = 9.0V, in the specified circuit. Ratings Parameter Symbol Conditions min typ max Unit [FM Mono Characteristics] fc = 10.7MHz, fm = 1kHz, with the coil adjusted so that VAFC - VREG = 0V. Current drain ICCO-FM No input 18 31 44 mA Demodulator output VOFM 100dBµ, 100% mod, pin 16 output 730 1100 1460 mVrms Channel balance C.B-mono 100dBµ, 100% mod, pin 16 output / pin 17 output -1.5 0 +1.5 dB THDFM1 100dBµ, 100% mod, pin 16 output 0.3 1.3 % Total harmonic distortion (mono) THDFM2 100dBµ, 200% mod, pin 16 output 1.0 5.0 % Signal-to-noise ratio S/NFM 100dBµ, 100% mod, pin 16 output 72 80 dB AM rejection ratio AMR 100dBµ, AM 30% mod, pin 16 output 45 65 dB Input limiting voltage -3dBL.S Referenced to 100dBµ, 100% mod, the input for output is -3dB down. 26 32 38 dB µ LED on sensitivity SDON-FM 51 60 69 dB µ LED on bandwidth SDBW 100dBµ 85 120 170 kHz IF counter buffer output VIFBUFF-FM 100dBµ, pin 13 output 80 120 160 mVrms VSM FM1 0dBµ, pin 11 output 0 0.1 0.5 V S-meter output VSM FM2 100dBµ, pin 11 output 3.6 4.3 5.0 V Muting attenuation Mute Alt 100dBµ, 100% mod, the pin 16 output 75 85 dB [FM Stereo Characteristics] fc = 10.7MHz, 100dB µ, fm = 1kHz, L+R = 90%, pilot = 10% Separation: L SepL Lmod. pin 16 output / pin 17 output 30 45 dB Separation: R SepR Rmod. pin 17 output / pin 16 output 30 45 dB Stereo on level STON The pilot mod such that V7 < 0.7V 1.3 2.7 5.0 % Stereo off level STOFF The pilot mod such that V7 > 4.5V 1.5 % Total harmonic distortion (main) THD main L+R mod. Pin 16 output 0.3 1.3 % Brej-3rd fs = 113kHz, Vs = 90%, Pilot = 10% Pin 16 output, versus L-R mod. 1kHz demodulator output 40 dB Adjacent channel interference rejection ratio Brej-5th fs = 189kHz, Vs = 90%, Pilot = 10% Pin 16 output, versus L-R mod. 1kHz demodulator output 40 dB [AM Characteristics] Current drain ICCO-AM No input 15 25 35 mA VOAM1 23dBµ, 30% mod, pin 16 output 100 180 360 mVrms Output detector VOAM2 80dBµ, 30% mod, pin 16 output 200 320 500 mVrms S/N AM1 23dBµ, 30% mod, pin 16 output 18 22 dB Signal-to-noise ratio S/N AM 2 80dBµ, 30% mod, pin 16 output 49 55 dB THD AM 1 80dBµ, 30% mod, pin 16 output 0.4 1.2 % Total harmonic distortion THD AM 2 80dBµ, 80% mod, pin 16 output 1.0 4.0 % LED-ON sensitivity SDOn-AM 17 27 37 dB µ Oscillator buffer output VOSC-AM No input, pin 30 output 110 160 220 mVrms IF counter buffer output VIFBuff-AM 80dBµ, non-mod, pin 13 output 160 220 300 mVrms ST IF output VSTIF-AM 80dBµ, non-mod, pin 7 output 16 34 48 mVrms S-meter output VSM-AM 0dBµ, non-mod 0 0 0.2 V |
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Descripción similar - LA1837M |
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