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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STA1080 датащи(PDF) 63 Page - STMicroelectronics |
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STA1080 датащи(HTML) 63 Page - STMicroelectronics |
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63 / 127 page  DS13319 Rev 2 63/127 STA108x, STA109x Electrical Characteristics 126 4.8 Sound Subsystem 4.8.1 ADC1: Microphone ADC Electrical Characteristics Table 28. MICADC electrical characteristics Symbol Parameter Limit values Unit Min Typ Max VASupply SR Analog Supply 3.0 3.3 3.6 V Vin S Differential Analog Input - 5.6(1) 2.0(1) - Vp-p Vrms Vin SR Single ended Analog Input - 2.8(1) 1.0(1) - Vp-p Vrms Vcom P DC coupled Input common mode AC coupled input common mode 1.5 0 1.65 1.65 1.8 3.3 V SNR V Differential mode Signal to Noise ratio (A-weighted, Output rate 48 kHz, BW = 20 kHz) 86 - - dB SNR V Differential mode Signal to Noise ratio (Unweighted, Output rate 48 kHz, BW = 3.2 kHz) 88 - - dB SNR V Single ended mode Signal to Noise ratio (A-weighted, Output rate 48 kHz, BW = 20 kHz) 80 - - dB SNR V Single ended mode Signal to Noise ratio (Unweighted, Output rate 48 kHz, BW = 3.2 kHz) 81 - - dB THD + N V Differential mode Total harmonic distortion + Noise -80 -85 - dB THD + N V Single ended mode Total harmonic distortion + Noise -74 -79 - dB VMIC_BIAS P MIC_BIAS - 2.5(2) -V IMIC_BIAS V Current through MIC_BIAS - - 2 mA IDD_AMICADC C Analog current consumption - 6.5 - mA 1. Max possible tolerable variation +/-5 %. 2. Max variation due to process mismatch +/- 5 %. |
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