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TDA7462D Datasheet(PDF) 6 Page - STMicroelectronics |
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TDA7462D Datasheet(HTML) 6 Page - STMicroelectronics |
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6 / 25 page  ELECTRICAL CHARACTERISTICS (continued) Symbol Parameter Test Condition Min. Typ. Max. Unit FADER 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 30 100 Ω VDC DC Voltage Level 4.3 4.5 4.7 V PAUSE DETECTOR VTH Zero Crossing Threshold Window 1 20 mV Window 2 40 mV Window 3 80 mV Window 4 160 mV IDELAY Pull-Up Current 15 25 35 µA VTHP Pause Threshold 3.0 V VOICE BANDPASS fHP Highpass corner frequency fHP1 81 90 99 Hz fHP2 162 180 198 Hz fHP3 117 130 143 Hz fHP4 234 260 286 Hz fLP Lowpass corner frequency fLP1 2.7 3 3.3 kHz fLP2 5.4 6 6.6 kHz SUBWOOFER ATTENUATORS CRANGE Control Range -53 -50 -47 dB ASTEP Step Resolution 2 0.5 1 1.5 dB AMUTE Output Mute Attenuation 80 90 dB EE Attenuation Set Error 2 dB VDC DC Steps Adjacent Attenuation Steps 1 5 mV DIFFERENTIAL OUTPUTS RL Load resistance at each output 1VRMS; AC coupled; THD = 1% 1 k Ω 2VRMS; AC coupled; THD = 1% 2 k Ω RDL Load resistance differential 1VRMS; AC coupled; THD = 1% 2 k Ω 2VRMS; AC coupled; THD = 1% 4 k Ω CL Capacitive load at each output CLMIN at each Output to Ground 470 pF CLMAX Capacitive load at each output CLMAX at each Output to Ground 10 nF CDLMAX Capacitive load differential CLMAX between Output terminals 5nF VOffset DC Offset at pins Output muted -10 10 ROUT Output Impedance 30 100 Ω VDC DC Voltage Level 4.3 4.5 4.7 V eNO Output Noise Output muted 6 15 µV COMPANDER GMAX Max. Compander Gain Vi < -40dB 19 dB 23 dB tATT Attack time tAtt1 6ms tAtt2 12 ms tAtt3 24 ms tAtt4 49 ms tRel Release time tRel1 195 ms tRel2 390 ms tRel3 780 ms tRel4 1.56 s VREF Compander Reference Input- Level (equals 0dB) 1kHz sine-wave 0.5 VRMS CF Compression Factor Output Signal/Input Signal 0.5 2) Steps are increasing if the attenuation is higher than 24dB. TDA7462 6/25 |
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