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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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WM8595 датащи(PDF) 8 Page - Wolfson Microelectronics plc |
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WM8595 датащи(HTML) 8 Page - Wolfson Microelectronics plc |
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8 / 82 page  WM8595 Production Data w PD, Rev 4.2, January 2011 8 ELECTRICAL CHARACTERISTICS Test Conditions AVDD2=9V, AVDD1=DVDD=3.3V, AGND1=AGND2=0V, DGND=0V, TA=+25˚C, 1kHz signal, fs=48kHz, MCLK=256fs unless otherwise stated PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Digital logic levels Input low level VIL 0.3xDVDD V Input high level VIH 0.7xDVDD V Output low level VOL 0.1 x DVDD V Output high level VOH 0.9 x DVDD V Digital input leakage current ±0.2 μA Digital input capacitance 5 pF Analogue Reference Levels ADC Midrail Voltage VMID1C AVDD1/2 V ADC Buffered Positive Reference Voltage VREF1C VMID1C V DAC Midrail Voltage VMID2C VREF2VDD/2 V Potential divider resistance AVDD1 to VMID1C VMID1C to AGND1 100 kΩ VREF2VDD to VMID2C VMID2C to VREF2GND VMID_SEL[1:0] = 01 19 (Note 2) kΩ Analogue Line Outputs Output signal level (0dB) -10% 2.0x AVDD1/3.3 +10% Vrms Maximum capacitance load 11 nF Minimum resistance load 1 kΩ Analogue Inputs Input signal level (0dB) 2.0 x AVDD1/3.3 Vrms Input impedance 48 k Ω Input capacitance 5 pF DAC Performance (DAC1 to LINEOUT1L/R, DAC2 to LINEOUT2L/R) Signal to Noise Ratio1,5 SNR A-weighted @ fs = 48kHz 90 100 dB A-weighted @ fs = 96kHz 100 dB A-weighted @ fs = 192kHz 100 dB Dynamic Range2,5 DNR A-weighted, -60dB full scale input 90 100 dB Total Harmonic Distortion3,5 THD 1kHz, 0dBFS @ fs = 48kHz -87 -80 dB 1kHz, 0dBFS @ fs = 96kHz -86 dB 1kHz, 0dBFS @ fs = 192kHz -85 dB Channel Separation4,5 1kHz 110 dB Channel Level Matching 0.1 dB Channel Phase Deviation 1kHz 0.01 Degree Power supply rejection ratio PSRR 1kHz, 100mVpp 50 dB 20Hz to 20kHz, 100mVpp 45 dB |
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