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CS53L21 датащи(PDF) 12 Page - Cirrus Logic |
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CS53L21 датащи(HTML) 12 Page - Cirrus Logic |
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12 / 66 page ![]() 12 DS700PP1 CS53L21 ANALOG CHARACTERISTICS (COMMERCIAL - CNZ) (Test Conditions (unless otherwise specified): Input sine wave (relative to digital full scale): 1 kHz through passive input filter; Measurement Bandwidth is 10 Hz to 20 kHz unless otherwise specified. Sample Frequency = 48 kHz) VA = 2.5 V (nominal) VA = 1.8 V (nominal) 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 -81 - - - -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 -0.2 - - 0.2- dB Gain Drift - ±100 - - ±100 - ppm/°C Offset Error SDOUT Code with HPF On - 352 - - 352 - LSB Input Interchannel Isolation -90 - - 90- dB Full-scale Input Voltage ADC PGA (0 dB) MIC (+16 dB) MIC (+32 dB) 0.74•VA 0.75•VA 0.78•VA 0.794•VA 0.129•VA 0.022•VA 0.82•VA 0.83•VA 0.74•VA 0.75•VA 0.78•VA 0.794•VA 0.129•VA 0.022•VA 0.82•VA 0.83•VA Vpp Vpp Vpp Vpp Input Impedance (Note 5) ADC PGA MIC - - - 20 39 50 - - - - - - 20 39 50 - - - k Ω k Ω k Ω |
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