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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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CS42L51 датащи(PDF) 13 Page - Cirrus Logic |
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CS42L51 датащи(HTML) 13 Page - Cirrus Logic |
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13 / 83 page  DS679A2 13 CS42L51 ANALOG INPUT CHARACTERISTICS (COMMERCIAL - CNZ) (Test Conditions (unless otherwise specified): All supplies = VA = 2.5 V and 1.8 V; Input sine wave (relative to dig- ital full-scale): 1 kHz through passive input filter; Measurement Bandwidth is 10 Hz to 20 kHz unless otherwise specified. Sample Frequency = 48 kHz) VA = 2.5V VA = 1.8V Parameter (Note 4) Min Typ Max Min Typ Max Unit Analog In to ADC (PGA bypassed) Dynamic Range A-weighted unweighted 93 90 99 96 - - 90 87 96 93 - - dB dB Total Harmonic Distortion + Noise -1 dBFS -20 dBFS -60 dBFS - - - -86 -76 -36 -80 - - - - - -84 -73 -33 -78 - - dB dB dB Analog In to PGA to ADC Dynamic Range PGA Setting: 0 dB A-weighted unweighted 92 89 98 95 - - 89 86 95 92 - - dB dB PGA Setting: +12 dB A-weighted unweighted 85 82 91 88 - - 82 79 88 85 - - dB dB Total Harmonic Distortion + Noise PGA Setting: 0 dB -1 dBFS -60 dBFS - - -88 -35 -82 - - - -86 -32 -80 - dB dB PGA Setting: +12 dB -1 dBFS - -85 -79 - -83 -77 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 -1 dBFS - -74 - - -71 - dB Other Characteristics DC Accuracy Interchannel Gain Mismatch - 0.1 - - 0.1 - dB Gain Drift - ±100 - - ±100 - ppm/° C Input Interchannel Isolation - 90 - - 90 - dB DAC Isolation (Note 5) -70 - - 70 - dB Full-scale Input Voltage (x•VA) (Note 7) 0.70•VA 0.72•VA 0.75•VA 0.70•VA 0.72•VA 0.75•VA Vpp Input Impedance (Note 6) ADC PGA MIC 18 40 50 - - - - - - 18 40 50 - - - - - - k Ω k Ω k Ω |
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