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TDA7240AV 数据表(PDF) 3 Page - STMicroelectronics |
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TDA7240AV 数据表(HTML) 3 Page - STMicroelectronics |
3 / 8 page ELECTRICAL CHARACTERISTICS (refer to the circuit of fig. 1, Tamb =25 °C, Rth (heatsink)= 4°C/W, Vs = 14.4V) Symbol Parameter Test Conditions Min. Typ. Max. Unit Vs Supply Voltage 18 V Vos Output Offset Voltage 150 mV Id Total Quiescent Current RL =4 Ω 65 120 mA Po Output Power f = 1kHz; d = 10% RL =4 Ω RL =8 Ω 18 10 20 12 W W d Distortion RL =4 Ω f = 1kHz Po = 50mW to 12W 0.1 0.5 % RL =8 Ω f = 1kHz Po = 50mW to 12W 0.05 0.5 % GV Voltage Gain f = 1KHz 39.5 40 40.5 dB SVR Supply Voltage Rejection f = 100Hz Rg = 10K Ω 35 40 dB EN Total Input Noise Rg = 10K Ω (*) (**) 2 310 µV µV η Efficiency RL =4 Ω f = 1KHz 65 % Isb Stand-by Current 200 µA Ri Input Resistance f = 1kHz 70 k Ω Vi Input Sensitivity f = 1kHz; Po = 2W; RL =4 Ω 28 mV fL Low Frequency Roll Off (–3dB) Po = 15W; RL =4 Ω 30 Hz fH High Frequency Roll Off (–3dB) Po = 15W; RL = 4 Ω 25 kHz As Stand-by Attenuation Vo = 2Vrms 70 90 dB VTH (pin2) Stand-by Threshold 1 V (*) B= Curve A (**) B = 22Hz to 22 KHz Figure2: P.C. Board and Components layout of the Circuit of Fig. 1.(1:1scale) TDA7240A 3/8 |
类似零件编号 - TDA7240AV |
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类似说明 - TDA7240AV |
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