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TDA7439 Folha de dados(PDF) 6 Page - STMicroelectronics |
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TDA7439 Folha de dados(HTML) 6 Page - STMicroelectronics |
6 / 23 page Electrical specifications TDA7439 6/23 Speaker attenuators Crange Control range 70 76 82 dB Sstep Step resolution 0.5 1 1.5 dB EA Attenuation set error AV = 0 to -20 dB -1.5 0 1.5 dB AV = -20 to -56 dB -2 0 2 dB VDC DC step Adjacent attenuation steps 0 3 mV Amute Mute attenuation 80 100 dB Audio outputs VCLIP Clipping level d = 0.3% 2.1 2.6 Vrms RL Output load resistance 2 k Ω RO Output impedance 10 40 70 Ω VOUTDC DC voltage level 3.5 3.8 4.1 V General ENO Output noise All gains = 0 dB; BW = 20 Hz to 20 kHz flat 515 µV Et Total tracking error AV = 0 to -24 dB 0 1 dB AV = -24 to -47 dB 0 2 dB S/N Signal to noise ratio All gains 0 dB, VO = 1 V RMS 95 106 dB SC Channel separation, left/right 80 100 dB dDistortion AV = 0, VI = 1 V RMS 0.01 0.08 % Bus input VIL Input low voltage 1 V VIH Input high voltage 3 V IIN Input current VIN = 0.4 V -5 0 5 µA VO Output voltage SDA acknowledge IO = 1.6 mA 0.4 0.8 V 1. For bass, mid-range and treble response: the center frequency and the response quality can be set by the external circuitry. Table 5. Electrical characteristics (continued) Symbol Parameter Test condition Min Typ Max Unit |
Nº de peça semelhante - TDA7439 |
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Descrição semelhante - TDA7439 |
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