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ADAU1781BCPZ Datasheet(PDF) 8 Page - Analog Devices |
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ADAU1781BCPZ Datasheet(HTML) 8 Page - Analog Devices |
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8 / 93 page  ADAU1781 Rev. B| Page 7 of 92 Parameter Test Conditions/Comments Min Typ Max Unit Dynamic Range −60 dB input With A-Weighted Filter (RMS) AVDD = 1.8 V 99 dB AVDD = 3.3 V 94 103 dB No Filter (RMS) AVDD = 1.8 V 97 dB AVDD = 3.3 V 92 100 dB Total Harmonic Distortion + Noise −3 dBFS dB AVDD = 1.8 V −88 dB AVDD = 3.3 V −88 dB Signal-to-Noise Ratio With A-Weighted Filter (RMS) AVDD = 1.8 V 99 dB AVDD = 3.3 V 103 dB No Filter (RMS) AVDD = 1.8 V 97 dB AVDD = 3.3 V 100 dB Power Supply Rejection Ratio CM capacitor = 10 μF AVDD = 3.3 V, 100 mV p-p at 217 Hz −55 dB AVDD = 3.3 V, 100 mV p-p at 1 kHz −63 dB Gain Error AVDD = 3.3 V −1 dB Interchannel Gain Mismatch AVDD = 3.3 V 50 mdB Offset Error AVDD = 3.3 V 10 mV DAC TO SPEAKER OUTPUT PATH P O = output power Differential Full-Scale Output Voltage (0 dB) Scales linearly with AVDD AVDD/1.65 V rms AVDD = 1.8 V 1.1 (3.12) V rms (V p-p) AVDD = 3.3 V 2.0 (5.66) V rms (V p-p) Total Harmonic Distortion + Noise 4 Ω Load AVDD = 1.8 V, P O = 50 mW −60 dB AVDD = 3.3 V, P O = 175 mW −60 dB 8 Ω Load AVDD = 1.8 V, P O = 50 mW −60 dB AVDD = 3.3 V, P O = 175 mW −60 dB AVDD = 3.3 V, P O = 330 mW −60 dB AVDD = 3.3 V, P O = 440 mW −16 dB Dynamic Range −60 dB input With A-Weighted Filter (RMS) AVDD = 1.8 V 100 dB AVDD = 3.3 V 94 105 dB No Filter (RMS) AVDD = 1.8 V 98 dB AVDD = 3.3 V 92 103 dB Signal-to-Noise Ratio With A-Weighted Filter (RMS) AVDD = 1.8 V 100 dB AVDD = 3.3 V 105 dB No Filter (RMS) AVDD = 1.8 V 98 dB AVDD = 3.3 V 103 dB Power Supply Rejection Ratio CM capacitor = 10 μF AVDD = 3.3 V,100 mV p-p at 217 Hz −55 dB AVDD = 3.3 V, 100 mV p-p at 1 kHz −55 dB Differential Offset Error AVDD = 3.3 V 2 mV Mono Mixer Mute Attenuation, DAC to Mixer Path Muted Mute set by Register 0x401F, Bit 0 −90 dB BEEP TO SPEAKER OUTPUT PATH P O = output power Differential Full-Scale Output Voltage (0 dB) Scales linearly with AVDD AVDD/1.65 V rms AVDD = 1.8 V 1.1 (3.12) V rms (V p-p) AVDD = 3.3 V 2.0 (5.66) V rms (V p-p) |
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