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TDA7286 数据表(PDF) 3 Page - STMicroelectronics |
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TDA7286 数据表(HTML) 3 Page - STMicroelectronics |
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3 / 6 page ![]() ELECTRICAL CHARACTERISTICS (VS = 6V, Tamb =25 °C; f = 1KHz; RL = 4.7kΩ;Rg = 2.2kΩ, unless otherwise specified.) Symbol Parameter Test Condition Min. Typ. Max. Unit VS Supply Voltage 4 12 V Id Quiescent Current 7 15 mA PLAYBACK AMPLIFIER GVO Open Loop Gain 80 dB VCD Output DC Voltage 1.2 1.5 1.7 V VO Output AC Voltage THD = 1% 700 950 mVrms SVR Supply Voltage Rejection f = 100Hz 35 45 dB CT Cross Talk 60 dB EN Total Output Noise Rg = 0, BW = 22 to 22kHz 300 µV RE Internal Feedback Res 180 k Ω RECORDING AMPLIFIER GVO Open Loop Gain 80 dB Ri Input resistance 30 50 70 k Ω VDC Output DC Voltage 2.0 2.4 2.8 V VO Output AC Voltage THD = 1% ALC = OFF ALC = ON 1 0.75 1.4 1 1.25 Vrms Vrms THD Total Harmonic Distortion VO = 0.5Vrms; ALC = OFF 0.2 0.5 % ALC Range ∆VO = 3dB 48 dB CB Channel Balance ALC = ON 0 2 dB SVR Supply Voltage Rejection f = 100Hz 28 32 dB CT Cross Talk f = 1KHz 60 dB HEAD SELECT INPUT Input LOW Level chB selected 0.6 V Input HIGH level chA seleced 1.4 V TDA7286 3/6 |
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