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TDA7303 数据表(PDF) 9 Page - STMicroelectronics |
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TDA7303 数据表(HTML) 9 Page - STMicroelectronics |
9 / 20 page TDA7303 Electrical specifications 9/21 RB Internal Feedback Resistance 44 K Ω TREBLE CONTROL (1) Gt Control Range Max. Boost/cut ±13 ±14 ±15 dB TSTEP Step Resolution 1 2 3 dB 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 75 W VOUT DC Voltage Level 4.2 4.5 4.8 V GENERAL eNO Output Noise(2) BW = 20-20KHz, flat output muted all gains = 0dB 2.5 5 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 0.01 % AV = 20dB, VIN = 1Vrms 0.09 0.3 % AV = 20dB, VIN = 1Vrms 0.04 % Sc Channel Separation left/right 80 103 dB Total Tracking error AV = 0 to -20dB 0 1 dB -20 to -60 dB 0 2 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 1. Bass and Treble response see attached diagram (fig.22). 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 2.2µF capacitor. Table 4. Electrical Characteristcs (continued) (Tamb = 25°C, VS = 9V, RL = 10KΩ, RG = 600Ω, all control flat (G=0), f = 1KHz unless otherwise specified) Symbol Parameter Test Condition Min. Typ. Max. Unit |
类似零件编号 - TDA7303 |
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类似说明 - TDA7303 |
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