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ADAU1761BCPZ Datasheet(PDF) 10 Page - Analog Devices |
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ADAU1761BCPZ Datasheet(HTML) 10 Page - Analog Devices |
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10 / 93 page  ADAU1761 Rev. C | Page 9 of 92 TYPICAL POWER MANAGEMENT MEASUREMENTS Master clock = 12.288 MHz, integer PLL, input sample rate = 48 kHz, input tone = 1 kHz. Pseudo-differential input to ADCs, DACs to line output with 10 kΩ load. ADC input @ −1 dBFS, DAC input @ 0 dBFS. In Table 4, the mixer boost and power management conditions are set for MXBIAS[1:0], ADCBIAS[1:0], HPBIAS[1:0], and DACBIAS[1:0]. RBIAS[1:0] and PBIAS[1:0] do not have an extreme power saving mode and are therefore set for power saving mode in the extreme power saving rows in Table 4. Table 4. Operating Voltage Power Management Setting Mixer Boost Setting Typical AVDD Current Consumption (mA) Typical ADC THD + N (dB) Typical Line Output THD + N (dB) Normal operation 9.6 −91 −92.5 Normal (default) Boost Level 1 9.75 −91.5 −92.5 Boost Level 2 9.92 −91.5 −92.5 Boost Level 3 10.25 −91.5 −92.5 Normal operation 7.09 −84.5 −87 Extreme power saving Boost Level 1 7.19 −84.8 −87.1 Boost Level 2 7.29 −84.8 −87.1 Boost Level 3 7.49 −85 −87.1 Normal operation 7.67 −89.5 −90 Power saving Boost Level 1 7.77 −89.5 −90 Boost Level 2 7.86 −89.8 −90 Boost Level 3 8.07 −89.8 −90 Normal operation 10.55 −91 −93.5 Enhanced performance Boost Level 1 10.74 −91 −93.5 Boost Level 2 10.93 −91 −93.5 AVDD = IOVDD = 3.3 V Boost Level 3 11.33 −91 −93.5 Normal operation 8.1 −88 −91.2 Normal (default) Boost Level 1 8.26 −88 −91.2 Boost Level 2 8.41 −88 −91.2 Boost Level 3 8.73 −88 −91.2 Normal operation 5.73 −85 −86 Extreme power saving Boost Level 1 5.82 −85.4 −86 Boost Level 2 5.91 −85.5 −86 Boost Level 3 6.1 −85.5 −86 Normal operation 6.27 −86 −89.4 Power saving Boost Level 1 6.36 −86.1 −89.5 Boost Level 2 6.46 −86.3 −89.5 Boost Level 3 6.65 −86.3 −89.5 Normal operation 9.01 −88 −91.5 Enhanced performance Boost Level 1 9.2 −88 −91.5 Boost Level 2 9.38 −88 −91.5 AVDD = IOVDD = 1.8 V Boost Level 3 9.76 −88 −91.5 |
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