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BU7893GU Fiches technique(PDF) 4 Page - Rohm |
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BU7893GU Fiches technique(HTML) 4 Page - Rohm |
4 / 25 page 4/24 ・ Audio Path(MIX) Unless otherwise specified、Ta=25℃、AVDD=2.8V、reference input level=-6dBV、f=1kHz、A-weighted 、 path gain =0dB Parameter Symbol Min Typ Max Unit Condition ANAL_V Volume Setting GDACL -11 - +3 dB 1dB step ANAR_V Volume Setting GDACR -11 - +3 dB 1dB step ・ Audio Path (SP PREamp) Unless otherwise specified、Ta=25℃、AVDD=2.8V、reference input level =-6dBV、f=1kHz、A-weighted、path gain =0dB、 RL=33kΩ Parameter Symbol Min Typ Max Unit Condition THD+N THDSP - -70 -60 dB 20kHz LPF Output Noise Voltage VNOSP - -90 -80 dBV At no a signal Mute Level MLSP - -90 -80 dB 1kHz BPF ・ Audio Path (HP amp) Unless otherwise specified、Ta=25℃、AVDD=2.8V、reference input level =-6dBV、f=1kHz、A-weighted、path gain =0dB、 RL=16Ω Parameter Symbol Min Typ Max Unit Condition THD+N THDHP - -65 -55 dB 20kHz LPF Output Noise Voltage VNOHP - -90 -80 dBV At no signal The Maximum Output Power POHP 10 - - mW THD=10%,16Ω load Channel Separation CSHP - -80 -70 dB Vo=-14dBV,1kHz BPF Mute Level MLHP - -90 -80 dB 1kHz BPF HPL_V Volume Setting 1 GA1HPL -48 - 0 dB 2dB step HPL_V Volume Setting 2 GA2HPL -42 - +6 dB 2dB step HPR_V Volume Setting 1 GA1HPR -48 - 0 dB 2dB step HPR_V Volume Setting 2 GA2HPR -42 - +6 dB 2dB step ・ 3D Surround, Equalizer, and Audio DAC Unless otherwise specified、Ta=25℃、AVDD=2.8V、BCLK=64fs、LRCLK=256fs、f=1kHz、 path gain=0dB、SPOL/SPOR output、SPOL/SPOR= no load、output=0dBFS Parameter Symbol Min Typ Max Unit Condition Full-scale Amplitude VMAX 1.40 1.68 2.00 VP-P 0.6×AVDD S/N1 (A-Weighted) DACsn1 70 75 - dB THD+N1 (20kHz LPF) DACthd1 - -70 -60 dB fs=8,11.025kHz THD+N2 (20kHz LPF) DACthd2 - -75 -65 dB fs=16,22.05,32,44.1,48kHz ・ Audio I/F Format Unless otherwise specified、Ta=25℃、DVDD_IO=1.62~3.3V、DVDD_CORE=1.62~1.98V Parameter Symbol Min Typ Max Unit Condition BCLK Output Frequency FBCKO 0.512 - 3.072 MHz 64fs LRCLK Output Frequency FLRCKO 8 - 48 kHz SDI Set-up Time tSDSU 100 - - nsec SDI Hold Time tSDH 100 - - nsec ・ PLL Unless otherwise specified、Ta=25℃、AVDD=2.8V、BCLK = no load Parameter Symbol Min Typ Max Unit Condition PLL Lock-up Time Tlock1 - - 10 msec PLL Jitter Tjitter1 - 200 - psec BCLK terminal,fVCO=65.536MHz |
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