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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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CS42L52 датащи(PDF) 13 Page - Cirrus Logic |
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CS42L52 датащи(HTML) 13 Page - Cirrus Logic |
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13 / 82 page  DS680A1 13 CS42L52 ANALOG INPUT CHARACTERISTICS (AUTOMOTIVE - DNZ) (Test Conditions (unless otherwise specified): Input sine wave (relative to full-scale): 1 kHz through passive input filter; VL = VD = VHP = 1.8 V; TA = -40 to +85°C; Measurement Bandwidth is 10 Hz to 20 kHz unless otherwise specified. Sample Frequency = 48 kHz) VA = 2.37 - 2.63 V VA = 1.65 - 1.89 V Parameters Min Typ Max Min Typ Max Unit Analog In to ADC Dynamic Range A-weighted unweighted 91 88 99 96 - - 88 85 96 93 - - dB dB Total Harmonic Distortion + Noise -1 dBFS -20 dBFS -60 dBFS - - - -86 -76 -36 -78 - -28 - - - -84 -73 -33 -76 - -25 dB dB dB Analog In to PGA to ADC Dynamic Range PGA Setting: 0 dB A-weighted unweighted 90 87 98 95 - - 87 84 95 92 - - dB dB PGA Setting: +12 dB A-weighted unweighted 83 80 91 88 - - 80 77 88 85 - - dB dB Total Harmonic Distortion + Noise PGA Setting: 0 dB -1 dBFS -60 dBFS - - -88 -35 -80 -27 - - -86 -32 -78 -24 dB dB PGA Setting: +12 dB -1 dBFS - -85 -77 - -83 -75 dB Analog In to MIC Pre-Amp (+16 dB) to PGA to ADC Dynamic Range PGA Setting: 0 dB A-weighted unweighted - - 86 83 - - - - 83 80 - - dB dB Total Harmonic Distortion + Noise PGA Setting: 0 dB -1 dBFS - -76 - - -74 - dB Analog In to MIC Pre-Amp (+32 dB) to PGA to ADC Dynamic Range PGA Setting: 0 dB A-weighted unweighted - - 78 74 - - - - 75 71 - - dB dB Total Harmonic Distortion + Noise PGA Setting: 0 dB -2 dBFS - -74 - - -71 - dB Other Characteristics DC Accuracy Interchannel Gain Mismatch - 0.1 - - 0.1 - dB Gain Drift - ±100 - - ±100 - ppm/°C Offset Error SDOUT Code with HPF On - 352 - - 352 - LSB Input Interchannel Isolation - 90 - - 90 - dB HP Amp to Analog Input Isolation RL = 10 kΩ (Note 3) RL = 16 Ω - - 100 70 - - - - 100 70 - - dB dB Speaker Amp to Analog Input Isolation - 60 - - 60 - dB Full-scale Input Voltage ADC PGA (0 dB) PGA (+12 dB) MIC (+16 dB) MIC (+32 dB) 0.73•VA 0.73•VA 0.769•VA 0.770•VA 0.194•VA 0.115•VA 0.019•VA 0.83•VA 0.83•VA 0.73•VA 0.73•VA 0.769•VA 0.770•VA 0.194•VA 0.115•VA 0.019•VA 0.83•VA 0.83•VA Vpp Vpp Vpp Vpp Input Impedance (Note 4) ADC PGA MIC 18 40 50 - - - - - - 18 40 50 - - - - - - k Ω k Ω k Ω |
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