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SM6453AB Fiches technique(PDF) 7 Page - Nippon Precision Circuits Inc |
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SM6453AB Fiches technique(HTML) 7 Page - Nippon Precision Circuits Inc |
7 / 12 page SM6453AB NIPPON PRECISION CIRCUITS—7 AC Analog Characteristics VDD1 = VDD2 = 2.0V, analog input amplitude = 0.022Vrms, input frequency = 1kHz, Ta = 25°C, Measurement circuit, unless otherwise noted. Analog input characteristics (LIN1, RIN1, LIN2, RIN2) Analog output characteristics (LOUT, ROUT) Analog output characteristics (BEEPLO, BEEPRO) Parameter Symbol Condition Rating Unit min typ max Reference input amplitude VAI ATT = 0dB 0.022 Vrms Input resistance RIN 45 51 57 k Ω Input clipping voltage VCLP ATT = 0dB 0.14 0.168 Vrms Parameter Symbol Condition Rating Unit min typ max Residual noise voltage VNS ATT = 0dB 20 30 µVrms Total harmonic distortion + noise THD + NPO = 0.5mW + 0.5mW 0.3 0.8 % Maximum output voltage POMAX ATT = 0dB, THD = 10% 15 20 mW Bass boost response1 1. Bass boost control bit D9 = HIGH, 55Hz, VO = – 30dBv BBST + 13.5 dB AGC detection level VAGC 0.55+ 0.5VDD1 V Gain control range RCNT − 68 12 dB Step size STEP 0.8 1.0 1.8 dB Attenuation error (1kHz to 20kHz) ERR1 @ 12dB to − 48dB TBD 0.2 TBD dB ERR2 @ − 49dB to − 68dB TBD 0.5 TBD dB Absolute attenuation (1kHz) AT0 ATT = 0dB + 12.0 dB AT2 ATT = − 20dB − 8.0 dB AT4 ATT = − 40dB − 28.0 dB AT6 ATT = − 60dB − 48.1 dB AT8 ATT = − 80dB − 68.2 dB Mute factor (1kHz) MUTE ATT = MUTE, MUTEN = LOW − 84.0 − 90.0 dB Channel crosstalk2 2. ATT = 0dB, leakage output on one channel with analog input on the other channel only. CT1 − 84.0 − 90.0 dB Channel crosstalk3 3. Bass boost control bit D9 = HIGH, ATT = 0dB, leakage output on one channel with analog input on the other channel only. CT2 − 24.0 − 40.0 dB Ripple rejection PSRR Supply ripple on AVDD1, AVDD2, AVDD3 69.0 75.0 dB Parameter Symbol Condition Rating Unit min typ max BEEP output current IBO 400Hz rectangular wave, input level = 1.5V to VDD2 0.3 0.36 0.4 mA BEEP output voltage VBO − 56 − 51.3 − 46 dBv |
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