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TDA7312 数据表(PDF) 5 Page - STMicroelectronics |
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TDA7312 数据表(HTML) 5 Page - STMicroelectronics |
5 / 13 page ELECTRICAL CHARACTERISTICS (continued) Symbol Parameter Test Condition Min. Typ. Max. Unit AUDIO OUTPUTS VOCL Clipping Level d = 0.3% 2 2.5 Vrms RL Output Load Resistance 2 K Ω CL Output Load Capacitance 10 nF ROUT Output resistance 30 75 120 Ω VOUT DC Voltage Level 4.2 4.5 4.8 V GENERAL eNO Output Noise BW = 20-20KHz, flat output muted all gains = 0dB 2.5 515 µV µV A curve all gains = 0dB 3 µV S/N Signal to Noise Ratio all gains = 0dB; VO = 1Vrms 106 dB d Distortion AV =0,VIN = 1Vrms AV = -20dB VIN = 1Vrms VIN = 0.3Vrms 0.01 0.09 0.04 0.1 0.3 % % % Sc Channel Separation left/right 80 103 dB Total Tracking error AV = 0 to -20dB -20 to -60 dB 0 0 1 2 dB dB BUS INPUTS VIL Input Low Voltage 1V VIH Input High Voltage 3 V IIN Input Current -5 +5 µA VO Output Voltage SDA Acknowledge IO = 1.6mA 0.4 V ADDRESS PIN (Internal 50K Ω pull down resistor). Notes: SDA, SCL, DIG OUT 1, DIG OUT 2 Pins are high impedance when VS =0 (1) Bass and Treble response see attached diagram (fig.16). The center frequency and quality of the resonance behaviour can be choosen by the external circuitry. A standard first order bass response can be realized by a standard feedback network (2) The selected input is grounded thru the 2.2 µF capacitor. Figure 2: Signal to Noise Ratio vs. Volume Setting Figure 1: Noise vs. Volume/Gain Settings TDA7312 5/13 |
类似零件编号 - TDA7312 |
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类似说明 - TDA7312 |
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