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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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WM8993 датащи(PDF) 20 Page - Wolfson Microelectronics plc |
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WM8993 датащи(HTML) 20 Page - Wolfson Microelectronics plc |
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20 / 229 page  WM8993 Production Data w PD, November 2010, Rev 4.0 20 Test Conditions DCVDD = 1.2V, AVDD2 = DBVDD = CPVDD = 1.8V, AVDD1 = 3.0V, SPKVDD = 5V, DGND=AGND=CPGND=SPKGND=0V, TA = +25 oC, 1kHz sinusoidal signal, fs = 48kHz, PGA gain = 0dB, 24-bit audio data unless otherwise stated. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Bypass Path Performance F1 Input PGA to Differential Line Out (10k Ω / 50pF) SNR (A-weighted) 92 102 dB THD (0dB output) -94 -84 dB THD+N (0dB output) -92 -82 dB PSRR (all other supplies 217Hz) 100mVpk-pk -45 dB F2 VRXP or VRXN to Headphone via MIXOUTL or MIXOUTR (RL=16 Ω) SNR (A-weighted) 101 dB THD (PO=20mW) -85 dB THD+N (PO=20mW) -83 dB THD (PO=5mW) -83 dB THD+N (PO=5mW) -81 dB PSRR (all other supplies 217Hz) 100mVpk-pk -49 dB F3 Input PGA to Headphone via MIXOUTL or MIXOUTR (RL=16 Ω) SNR (A-weighted) 100 dB THD (PO=20mW) -85 dB THD+N (PO=20mW) -83 dB THD (PO=5mW) -83 dB THD+N (PO=5mW) -81 dB PSRR (all other supplies 217Hz) 100mVpk-pk -49 dB Crosstalk (L/R) -95 dB F4 Line Input to Headphone via MIXOUTL and MIXOUTR (RL=16 Ω) SNR (A-weighted) 92 100 dB THD (PO=20mW) -85 -75 dB THD+N (PO=20mW) -83 -73 dB THD (PO=5mW) -83 dB THD+N (PO=5mW) -81 dB PSRR (all other supplies 217Hz) 100mVpk-pk -49 dB Crosstalk (L/R) -95 dB F5 VRXP-VRXN Direct Voice Path to Earpiece Driver (RL=16 Ω BTL) SNR (A-weighted) 90 104 dB THD (PO=50mW) -69 -60 dB THD+N (PO=50mW) -67 -58 dB PSRR (all other supplies 217Hz) 100mVpk-pk -91 dB DC Offset at Load 5 mV |
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