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ADAU1761BCPZ-RL Arkusz danych(PDF) 6 Page - Analog Devices |
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ADAU1761BCPZ-RL Arkusz danych(HTML) 6 Page - Analog Devices |
6 / 92 page ADAU1761 Rev. C | Page 6 of 92 Parameter Test Conditions/Comments Min Typ Max Unit Interchannel Isolation 83 dB Common-Mode Rejection Ratio 100 mV rms, 1 kHz 65 dB 100 mV rms, 20 kHz 65 dB MICROPHONE BIAS MBIEN = 1 Bias Voltage 0.65 × AVDD AVDD = 1.8 V, MBI = 1 1.17 V AVDD = 3.3 V, MBI = 1 2.145 V 0.90 × AVDD AVDD = 1.8 V, MBI = 0 1.62 V AVDD = 3.3 V, MBI = 0 2.97 V Bias Current Source AVDD = 3.3 V, MBI = 0, MPERF = 1 3 mA Noise in the Signal Bandwidth AVDD = 3.3 V, 1 kHz to 20 kHz MBI = 0, MPERF = 0 42 nV/√Hz MBI = 0, MPERF = 1 85 nV/√Hz MBI = 1, MPERF = 0 25 nV/√Hz MBI = 1, MPERF = 1 37 nV/√Hz DIGITAL-TO-ANALOG CONVERTERS DAC performance excludes mixers and headphone amplifier DAC Resolution All DACs 24 Bits Digital Attenuation Step 0.375 dB Digital Attenuation Range 95 dB DAC TO LINE OUTPUT Full-Scale Output Voltage (0 dB) Scales linearly with AVDD AVDD/3.3 V rms AVDD = 1.8 V 0.50 (1.41) V rms (V p-p) AVDD = 3.3 V 0.92 (2.60) V rms (V p-p) Analog Volume Control Step Line output volume control 0.75 dB Analog Volume Control Range Line output volume control −57 1 +6 dB Mute Attenuation −87 dB Dynamic Range 20 Hz to 20 kHz, −60 dB input, line output mode With A-Weighted Filter (RMS) AVDD = 1.8 V 96 dB AVDD = 3.3 V 101 dB No Filter (RMS) AVDD = 1.8 V 93.5 dB AVDD = 3.3 V 98 dB Total Harmonic Distortion + Noise −1 dBFS, line output mode dB AVDD = 1.8 V −90 dB AVDD = 3.3 V −92 dB Signal-to-Noise Ratio Line output mode With A-Weighted Filter (RMS) AVDD = 1.8 V 96 dB AVDD = 3.3 V 101 dB No Filter (RMS) AVDD = 1.8 V 93.5 dB AVDD = 3.3 V 98 dB Power Supply Rejection Ratio CM capacitor = 20 μF 100 mV p-p @ 217 Hz 56 dB 100 mV p-p @ 1 kHz 70 dB Gain Error 3 % Interchannel Gain Mismatch 0.005 dB Offset Error 0 mV Interchannel Isolation 1 kHz, 0 dBFS input signal 100 dB |
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