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SM5878 Folha de dados(PDF) 10 Page - Nippon Precision Circuits Inc |
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SM5878 Folha de dados(HTML) 10 Page - Nippon Precision Circuits Inc |
10 / 16 page SM5878AM/AV NIPPON PRECISION CIRCUITS—10 AC Analog Characteristics Normal-voltage: DVSS = AVSS = XVSS = 0 V, DVDD = AVDD = XVDD = 5 V, AVDD = AVDDL = AVDDR, DS = 0 V, DEEM = 0 V, crystal oscillator frequency fOSC = 16.9344 MHz, Ta = 25 °C Measurement Circuit and Conditions Measurement circuit block diagram Measurement conditions Parameter Symbol Condition Rating Unit min typ max Total harmonic distortion THD + N 1 kHz, 0 dB – 0.003 0.006 % LSI output level Vout1 1 kHz, 0 dB 1.2 1.3 1.4 Vrms Evaluation board output level Vout2 1 kHz, 0 dB – 1.3 – Vrms Dynamic range D.R 1 kHz, −60 dB 92 98 – dB Signal-to-noise ratio1 1. Signal-to-noise is measured following a device reset, with DATA = 0 (DI = LOW). Under these conditions, the signal-to-noise ratio includes noise-shaper noise. S/N 1 kHz, 0/ −∞ dB 94 100 – dB Channel separation Ch. Sep 1 kHz, −∞/0 dB 91 97 – dB Parameter1 1. Pins LO and RO should have an output load of 10 k Ω (min). Symbol 3346A left/right-channel selector switch AD725C distortion analyzer with built-in filter Total harmonic distortion THD + N THRU 20 kHz lowpass filter ON 400 Hz highpass filter OFF Output level Vout Dynamic range DR D-RANGE Signal-to-noise ratio S/N THRU 20 kHz lowpass filter ON 400 Hz highpass filter OFF JIS A filter ON Channel separation Ch. Sep THRU 20 kHz lowpass filter ON 400 Hz highpass filter OFF Distortion analyzer Left/Right channel selector Evaluation board Signal generator CKO (384fs) BCK LRCK (fs) DATA Left channel Right channel fs = 44.1 kHz DATA = 16 bits NF Corporation 3346A. 10 k input impedance Shibasoku AD725C. RMS measurement |
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