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TDA7438 Scheda tecnica(PDF) 4 Page - STMicroelectronics |
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TDA7438 Scheda tecnica(HTML) 4 Page - STMicroelectronics |
4 / 19 page TDA7438 4/19 SPEAKER ATTENUATORS CRANGE Control Range 76 dB SSTEP Step Resolution 0.5 1 1.5 dB EA Attenuation Set Error AV = 0 to -20dB -1.5 0 1.5 dB AV = -20 to -56dB -2 0 2 dB ET Tracking Error AV = 0 to -24dB 0 1 dB AV = -24 to -47dB 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 W VDC DC Voltage Level 3.8 V GENERAL (Gain, Bass, Treble, Middle Controls Flat) ENO Output Noise All gains = 0dB; BW = 20Hz to 20KHz flat 515 µV Et Total Tracking Error (Volume + Speaker Attenuator) AV = 0 to -24dB 0 1 dB AV= -24 to -47dB 0 2 dB AV = -47 to -79dB 0 3 dB S/N Signal to Noise Ratio All gains 0dB; VO = 1VRMS ;90 106 dB SC Channel Separation Left/Right 80 100 dB dDistortion AV = 0; VI = 1VRMS ; 0.01 0.08 % BUS INPUT VIL Input Low Voltage 1V VIH Input High Voltage 3 V IIN Input Current VIN = 0.4V -5 5 µA Symbol Parameter Test Condition Min. Typ. Max. Unit Table 5 (continued) |
Codice articolo simile - TDA7438_04 |
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Descrizione simile - TDA7438_04 |
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