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LA1845NM Datenblatt(PDF) 2 Page - Sanyo Semicon Device |
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LA1845NM Datenblatt(HTML) 2 Page - Sanyo Semicon Device |
2 / 10 page Specifications Maximum Ratings at Ta = 25°C Operating Conditions at Ta = 25°C Operating Characteristics at Ta = 25°C, VCC = 8 V, in the specified test circuit. No. 5888-2/10 LA1845N, 1845NM Parameter Symbol Conditions Ratings Unit Maximum supply voltage VCC max 9 V Pd max Ta ≤ 45°C 400 mW Allowable power dissipation Pd max Ta = 80°C (DIP) 400 mW Pd max Ta = 80°C (MFP) 260 mw Operating temperature Topr –20 to +80 °C Storage temperature Tstg –40 to +125 °C Parameter Symbol Conditions Ratings Unit Recommended supply voltage VCC 8 V Operating supply voltage range VCCop Ta = 80°C 4.3 to 8.5 V Parameter Symbol Conditions Ratings Unit min typ max [FM Mono Characteristics] fc = 10.7 MHz, Vi = 100 dBµ, fm = 1 kHz, Mod = 75 kHz Current drain ICCO-FM With no input signal 20 30 40 mA Demodulator output VOFM 100 dBµ, 100% modulation, fm = 1 kHz 230 360 460 mVrms Total harmonic distortion THDFM 100 dBµ, 100% modulation, fm = 1 kHz 0.35 1.5 % Signal-to-noise ratio S/NFM 100 dBµ, 100% modulation, fm = 1 kHz 73 80 dB AM rejection ratio AMR 100 dBµ, AM 30% modulation, fm = 1 kHz 47 65 dB 3 dB sensitivity 100 dBµ, 100% modulation, fm = 1 kHz, -3 dB input 32 40 dBµ SD sensitivity 0% modulation 38 47 56 dBµ IF counter buffer output VIFBuff-FM 100 dBµ, the pin 13 output 80 120 160 mVrms Mute attenuation Mute-Att 100 dBµ, 100% modulation, fm = 1 kHz 75 85 dB [FM Stereo Characteristics] fc = 10.7 MHz, Vi = 100 dBµ, fm = 1 kHz, L + R = 90%, Pilot = 10% Separation SepL Left channel modulated. The pin 16 output/the pin 17 output 30 42 dB Stereo on level STON The pilot modulation such that V7 falls under 0.7 V 1.5 3.5 5.5 % Total harmonic distortion THD-main Left + right modulation. The pin 16 output. 0.45 1.5 % fs = 113 kHz, Vs = 90%, pilot = 10% Adjacent channel rejection ratio 1 Brej-3rd The left - right modulation, demodulated output 36 dB fs = 189 kHz, Vs = 90%, pilot = 10% Adjacent channel rejection ratio 2 Brej-5th The left - right modulation, demodulated output 41 dB Carrier leak L + R = 90%, pilot = 10% reference, pilot = 10% output 38 44 dB [AM Characteristics] fc = 1000 kHz, Vi = 80 dBµ, fm = 1 kHz, Mod = 30% Current drain ICCO-AM With no input signal 13 27 39 mA Detector output 1 VOAM1 23 dBµ, 30% modulation, fm = 1 kHz 40 80 160 mVrms Detector output 2 VOAM2 80 dBµ, 30% modulation, fm = 1 kHz 90 160 230 mVrms Signal-to-noise ratio 1 S/NAM1 23 dBµ, 30% modulation, fm = 1 kHz 17 23 dB Signal-to-noise ratio 2 S/NAM2 80 dBµ, 30% modulation, fm = 1 kHz 46 52 dB Total harmonic distortion 1 THDAM1 80 dBµ, 30% modulation, fm = 1 kHz 0.4 1.1 % Total harmonic distortion 2 THDAM2 107 dBµ, 30% modulation, fm = 1 kHz 0.5 1.3 % SD sensitivity 0% modulation 11 20 29 dBµ Local oscillator buffer output VOSC-AM With no input signal 100 140 200 mVrms IF counter buffer output VIFBuff-AM 23 dBµ 140 285 400 mVrms |
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