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TDA1220B Folha de dados(PDF) 3 Page - STMicroelectronics |
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TDA1220B Folha de dados(HTML) 3 Page - STMicroelectronics |
3 / 18 page Symbol Parameter Test conditions Min. Typ. Max. Unit Vs Supply voltage 3 16 V Id Drain current FM 10 15 mA AM 14 20 mA AM SECTION (fo = 1 MHz; fm = KHz) Vi Input sensitivity S/N = 26 dB m = 0.3 12 25 µV S/N Vi = 10 mV m = 0.3 45 52 dB Vi AGC range ∆Vout = 10 dB m = 0.8 94 100 dB Vo Recovered audio signal (pin 9) Vi = 1 mV m = 0.3 80 130 200 mV d Distortion Vi = 1 mV m = 0.3 0.4 1 % m = 0.8 1.2 % VH Max input signal handling capability m = 0.8 d < 10% 1 V Ri Input resistance between pins 2 and 4 m = 0 7.5 K Ω Ci Input capacitance between pins 2 and 4 m = 0 18 pF Ro Output resistance (pin 9) 4.5 7 9.5 K Ω Tweet 2 IF m = 0.3 Vi = 1 mV 40 dB Tweet 3 IF 55 dB FM SECTION (fo = 10.8 MHz; fm = 1 KHz) Vi Input limiting voltage -3 dB limiting point 22 36 µV AMR Amplitude modulation rejection ∆f = ±22.5 KHz Vi = 3 mV m = 0.3 40 50 dB S/N Ultimate quieting ∆f = ±22.5 KHz Vi = 1 mV 55 65 dB d Distortion ∆f = ±75 KHz Vi = 1 mV 0.7 1.5 % d Distortion ∆f = ±22.5 KHz Vi = 1 mV 0.25 0.5 % d Distortion (double tuned) 0.1 % Vo Recovered audio signal (pin 9) ∆f = ±22.5 KHz Vi = 1 mV 80 110 140 mV Ri Input resistance between pin 16 and ground 6.5 K Ω Ci Input capacitance between pin 16 and ground 14 pF Ro Output resistance (pin 9) 4.5 7 9.5 K Ω ELECTRICAL CHARACTERISTICS ( Tamb = 25 °C, Vs = 9V unless otherwise specified, refer to test circuit) 3/18 TDA1220B |
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Descrição semelhante - TDA1220B |
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