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ADAU1772BCPZ-R7 数据表(PDF) 7 Page - Analog Devices |
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ADAU1772BCPZ-R7 数据表(HTML) 7 Page - Analog Devices |
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7 / 117 page  ADAU1772 Data Sheet Rev. C | Page 6 of 116 Parameter Test Conditions/Comments Min Typ Max Unit Interchannel Gain Mismatch Line output mode 20 mdB Total Harmonic Distortion + Noise Line output mode, 20 Hz to 20 kHz, −1 dBFS dB AVDD = 1.8 V −93 dB AVDD = 3.3 V −94 dB Gain Error Line output mode ±0.1 dB Dynamic Range1 Headphone mode, 20 Hz to 20 kHz, −60 dB input With A-Weighted Filter (RMS) AVDD = 1.8 V 100 dB AVDD = 3.3 V 104 dB With Flat 20 Hz to 20 kHz Filter AVDD = 1.8 V 97 dB AVDD = 3.3 V 101 dB Signal-to-Noise Ratio2 Headphone mode, 20 Hz to 20 kHz With A-Weighted Filter (RMS) AVDD = 1.8 V 100 dB AVDD = 3.3 V 104 dB With Flat 20 Hz to 20 kHz Filter AVDD = 1.8 V 98 dB AVDD = 3.3 V 102 dB Interchannel Gain Mismatch Headphone mode 50 mdB Total Harmonic Distortion + Noise Headphone mode, 20 Hz to 20 kHz, −1 dBFS 32 Ω load AVDD = 1.8 V, PO = 6.7 mW −77 dB AVDD = 3.3 V, PO = 22.4 mW −80 dB 24 Ω load AVDD = 1.8 V, PO = 8.9 mW −76 dB AVDD = 3.3 V, PO = 30 mW −79 dB 16 Ω load AVDD = 1.8 V, PO = 13 mW −74 dB AVDD = 3.3 V, PO = 44 mW −77 dB Headphone Output Power 32 Ω Load AVDD = 1.8 V, <0.1% THD + N 8.4 mW AVDD = 3.3 V, <0.1% THD + N 28.1 mW 24 Ω Load AVDD = 1.8 V, <0.1% THD + N 11.2 mW AVDD = 3.3 V, <0.1% THD + N 37.4 mW 16 Ω Load AVDD = 1.8 V, <0.1% THD + N 16.25 mW AVDD = 3.3 V, <0.1% THD + N 55.8 mW Gain Error Headphone mode ±0.1 dB Offset Error ±0.1 mV Interchannel Isolation 1 kHz, 0 dBFS input signal 100 dB Power Supply Rejection Ratio CM capacitor = 22 μF, 100 mV p-p at 1 kHz 70 dB DAC DIFFERENTIAL OUTPUT Differential operation Full-Scale Output Voltage Scales linearly with AVDD AVDD/1.8 V rms AVDD = 1.8 V 1.0 V rms AVDD = 1.8 V, 0 dBFS 2.58 V p-p AVDD = 3.3 V 1.83 V rms AVDD = 3.3 V, 0 dBFS 5.49 V p-p Mute Attenuation −72 dB Dynamic Range1 Line output mode, 20 Hz to 20 kHz, −60 dB input With A-Weighted Filter (RMS) AVDD = 1.8 V 104 dB AVDD = 3.3 V 107 dB With Flat 20 Hz to 20 kHz Filter AVDD = 1.8 V 101 dB AVDD = 3.3 V 105 dB Signal-to-Noise Ratio2 Line output mode, 20 Hz to 20 kHz With A-Weighted Filter (RMS) AVDD = 1.8 V 105 dB AVDD = 3.3 V 108 dB With Flat 20 Hz to 20 kHz Filter AVDD = 1.8 V 102 dB AVDD = 3.3 V 105 dB Interchannel Gain Mismatch Line output mode 20 mdB Total Harmonic Distortion + Noise Line output mode, 20 Hz to 20 kHz, −1 dBFS dB AVDD = 1.8 V −96 dB AVDD = 3.3 V −96 dB Gain Error Line output mode % |
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