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TDA7405 Scheda tecnica(PDF) 8 Page - STMicroelectronics |
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TDA7405 Scheda tecnica(HTML) 8 Page - STMicroelectronics |
8 / 56 page TDA7405 8/56 MONO VOICE BANDPASS fHP Highpass corner frequency fHP1 81 90 99 Hz fHP2 120 135 150 Hz fHP3 162 180 198 Hz fHP4 193 215 237 Hz fHP5 270 300 330 Hz fHP6 405 450 495 Hz fHP7 540 600 660 Hz fHP8 675 750 825 Hz fLP Lowpass corner frequency fLP1 2.7 3 3.3 kHz fLP2 5.4 6 6.6 kHz COMPANDER GMAX max. Compander Gain Vi < -46dB 19 dB Vi < -46dB, Anti-Clip=On 29 dB tAtt Attack time tAtt1 6ms tAtt2 12 ms tAtt3 24 ms tAtt4 49 ms tRel Release time tRel1 390 ms tRel2 780 ms tRel3 1.17 s tRel4 1.56 s VREF Compander Reference Input- Level (equals 0dB) VREF1 0.5 VRMS VREF2 1.0 VRMS VREF3 2.0 VRMS CF Compression Factor Output Signal / Input Signal 0.5 AUDIO OUTPUTS VCLIP Clipping Level d = 0.3% 2.2 2.6 VRMS RL Output Load Resistance 2 k Ω CL Output Load Capacitance 10 nF ROUT Output Impedance 30 120 Ω VDC DC Voltage Level 4.3 4.5 4.7 V GENERAL eNO Output Noise BW = 20Hz - 20kHz;output muted 3 15 µV BW = 20Hz - 20kHz all gains = 0dB single ended inputs 10 20 µV Table 1. ELECTRICAL CHARACTERISTICS (continued) (VS=9V; Tamb=25°C; RL=10kΩ; all gains=0dB; f=1kHz; unless otherwise specified) Symbol Parameter Test Condition Min. Typ. Max. Unit |
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