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STA1080 Datasheet(PDF) 64 Page - STMicroelectronics |
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STA1080 Datasheet(HTML) 64 Page - STMicroelectronics |
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64 / 127 page  Electrical Characteristics STA108x, STA109x 64/127 DS13319 Rev 2 Figure 6. MICADC Input Equivalent Circuit 4.8.2 ADC0: Audio ADC Electrical Characteristics R = 20 kOhm R = 20 kOhm R = 20 kOhm R = 20 kOhm R = 50 kOhm ADC0_1_AVDD R = 10 kOhm R = 10 kOhm R = 50 kOhm ADC0_1_AGND ADC1_AIN1_P ADC1_MICIN_P ADC1_AIN1_N ADC1_MICIN_N ADC0_1_VCM Table 29. Audio ADC Electrical Characteristics Symbol Parameter Limit values Unit Min Typ Max VASupply SR Analog Supply 3.0 3.3 3.6 V 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 Signal to Noise ratio (A-weighted, 1kHz, 0 dBFs, BW = 20 kHz) 91 94 - dB THD + N V Total harmonic distortion + Noise -85 -87 - dB IDD_ASDADC C Analog current consumption - 12.5 - mA 1. Max possible tolerable variation +/-5 %. |
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