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ADAU1373BCBZ-R7 数据表(PDF) 7 Page - Analog Devices |
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ADAU1373BCBZ-R7 数据表(HTML) 7 Page - Analog Devices |
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7 / 296 page  ADAU1373 Rev. 0 | Page 7 of 296 SPECIFICATIONS POWER SUPPLIES Table 1. Parameter Symbol Min Typ Max Unit SUPPLY VOLTAGE RANGES Analog AVDD 1.62 1.8 1.98 V Digital DVDD1 1.08 1.2 1.98 V Input/Output IOVDD 1.62 1.8 3.6 V Charge Pump HPVDD 1.62 1.8 1.98 V Speaker Amplifier SPKVDD 2.5 5.5 V 1 For applications using DVDD = 1.8 V, IOVDDx ≥ DVDD. AUDIO PERFORMANCE fS = 48 kHz/24 bits, I2S format, AVDD = HPVDD = IOVDDx = 1.8 V, DVDD = 1.2 V, SPKVDD = 3.6 V, 1 kHz sine wave signal, 20 Hz to 20 kHz measurement bandwidth, TA = 25°C, unless otherwise noted. Table 2. Parameter Test Conditions/Comments Min Typ Max Unit INPUT PROGRAMMABLE GAIN AMPLIFIERS Input Resistance Single-Ended PGA Mode +18 dB gain 6.8 kΩ 0 dB gain 30 kΩ −12 dB gain 48 kΩ Single-Ended Boost Mode +29 dB gain 20 kΩ +9 dB gain 20 kΩ 0 dB gain 20 kΩ Differential PGA Mode +18 dB gain 6.8 kΩ 0 dB gain 30 kΩ −12 dB gain 48 kΩ Differential Boost Mode +20 dB gain 20 kΩ +9 dB gain 20 kΩ 0 dB gain 20 kΩ Gain Range PGA Mode Minimum position −12 dB Maximum position +18 dB Boost Mode 0 dB position 0 dB +9 dB position +9 dB +20 dB position +20 dB Gain Step Size PGA mode +1 dB Maximum Input Level Single-Ended PGA Mode 0 dB gain 0.545 V rms Single-Ended Boost Mode 0 dB gain 0.545 V rms Differential PGA Mode 0 dB gain 1.09 V rms Differential Boost Mode 0 dB gain 1.09 V rms Equivalent Input Noise Single-Ended PGA Mode 0 dB gain, unweighted 20 Hz to 20 kHz 7 μV rms +18 dB gain, unweighted 20 Hz to 20 kHz 28 μV rms Single-Ended Boost Mode 0 dB gain, unweighted 20 Hz to 20 kHz 7 μV rms +20 dB gain, unweighted 20 Hz to 20 kHz 35 μV rms Common-Mode Rejection Ratio Differential PGA Mode 0 dB gain at 217 Hz 50 dB Mute Attenuation Measured at line output reference to full scale (0 dB gain at 1 kHz) 80 dB |
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