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TDA7342 Scheda tecnica(PDF) 9 Page - STMicroelectronics |
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TDA7342 Scheda tecnica(HTML) 9 Page - STMicroelectronics |
9 / 20 page TDA7342 Electrical specifications 9/20 Audio output Vclip Clipping Level d = 0.3% 2.1 2.6 Vrms RL Output Load Resistance 2 K Ω RO Output Impedance 30 100 Ω VDC DC Voltage Level 3.5 3.8 4.1 V General VCC Supply Voltage 6 9 10.2 V ICC Supply Current 5 10 15 mA PSRR Power Supply Rejection Ratio f = 1KHz 60 80 dB B = 20 to 20kHz "A" weighted 65 dB eNO Output Noise Output muted (B = 20 to 20kHz flat) 2.5 μV All gains 0dB (B = 20 to 20kHz flat) 5 15 μV Et Total Tracking Error AV= 0 to -20dB 0 1 dB AV= -20 to -60dB 0 2 dB S/N Signal to Noise Ratio All Gains = 0dB; VO= 1Vrms 106 dB SC Channel Separation 80 100 dB d Distortion VIN =1V 0.01 0.08 % Bus inputs VIL Input Low Voltage 1 V VlN Input High Voltage 3 V IlN Input Current VIN = 0.4V -5 5 μA VO Output Voltage SDA Acknowledge IO= 1.6mA 0.4 0.8 V 1. WIN represents the MUTE programming bit pair D6, D5 for the zero crossing window threshold 2. Internal pull-up resistor to Vs/2; LOW = softmute active Table 4. Electrical characteristics (continued) (VS = 9V; RL = 10KΩ; Rg = 50Ω; Tamb = 25°C; all gains = 0dB; f = 1KHz. Refer to the test circuit, unless otherwise specified.) Symbol Parameter Test condition Min. Typ. Max. Unit |
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