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ADAU1373BCBZ-R7 数据表(PDF) 8 Page - Analog Devices |
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ADAU1373BCBZ-R7 数据表(HTML) 8 Page - Analog Devices |
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8 / 296 page  ADAU1373 Rev. 0 | Page 8 of 296 Parameter Test Conditions/Comments Min Typ Max Unit MICROPHONE BIAS Output Voltage Register 0x21, Bits[5:4] (MICB2GAIN); Bits[3:2] (MICB1GAIN) Setting 00 = 2.9 V 1.71 1.8 V Setting 01 = 2.2 V 2.09 2.2 V Setting 10 = 2.6 V 2.47 2.6 V Setting 11 = 1.8 V 2.75 2.9 V Output Current 6 mA Output Noise Unweighted 20 Hz to 20 kHz 7 μV rms PSRR AVDD at 217 Hz = 100 mV p-p 100 dB DVDD at 217 Hz = 100 mV p-p 100 dB HPVDD at 217 Hz = 100 mV p-p 100 dB SPKVDD at 217 Hz = 400 mV p-p 85 dB Bias Current Detect Threshold Register 0x22 and Register 0x23, Bits[1:0] (MICBxCURD) Setting 00 = 150 μA 150 μA Setting 01 = 330 μA 330 μA Setting 10 = 510 μA 510 μA Setting 11 = 700 μA 700 μA Bias Short-Circuit Detect Threshold Register 0x22 and Register 0x23, Bits[3:2] (MICBxSHT) Setting 00 = 330 μA 330 μA Setting 01 = 700 μA 700 μA Setting 10 = 1000 μA 1000 μA Setting 11 = 1400 μA 1400 μA MIXER BLOCK Mixer ADC Mute Attenuation 90 dB Mixer Line Output Mute Attenuation 90 dB Mixer Headphone Output Mute Attenuation 90 dB Mixer Speaker Output Mute Attenuation 90 dB Mixer Earpiece Output Mute Attenuation 90 dB LINE OUTPUT AMPLIFIER Gain 0 dB Volume Control Step Size Variable from mute to 0 dB in 32 steps Mute 0 dB Mute Attenuation 90 dB Maximum Output Level Single-Ended Mode Load = 10 kΩ 0.545 V rms Differential Mode Load = 10 kΩ 1.09 V rms Output Resistance At each output pin: LOUT1L, LOUT1R, LOUT2L, and LOUT2R 0.3 Ω Common-Mode Voltage VCM at LOUT1L, LOUT1R, LOUT2L, and LOUT2R AVDD/2 V DC Offset Differential mode between LOUTLP and LOUTLN, LOUTRP and LOUTRN 1 mV Ground-Loop Rejection Ratio Measured by injecting 1000 Hz sine wave,100 mV rms at LNxFBIN; referenced to full-scale output voltage 56 dB Input Resistance into LNxFBIN Pin 120 kΩ |
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