ADAU1361BCPZ-R7 datasheet(7/78 Pages) AD

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Data Sheet

ADAU1361

SPECIFICATIONS

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Rev. E | 7 of 78

TYPICAL CURRENT CONSUMPTION

Main clock = 12.288 MHz, input sample rate = 48 kHz, input tone = 1 kHz, normal power management settings, ADC input @ −1 dBFS, DAC

input @ 0 dBFS. For total power consumption, add the IOVDD current listed in Table 2.

Table 3.

Operating Voltage

Audio Path

Clock Generation

Typical AVDD Current

Consumption (mA)

AVDD = IOVDD = 3.3 V

Record stereo differential to ADC

Direct MCLK

5.24

Integer PLL

6.57

DAC stereo playback to line output (10 kΩ)

Direct MCLK

5.55

Integer PLL

6.90

DAC stereo playback to headphone (16 Ω)

Direct MCLK

55.5

Integer PLL

56.8

DAC stereo playback to headphone (32 Ω)

Direct MCLK

30.9

Integer PLL

32.25

DAC stereo playback to capless headphone (32 Ω)

Direct MCLK

56.75

Integer PLL

Record aux stereo bypass to line output (10 kΩ)

Direct MCLK

1.9

Integer PLL

3.3

AVDD = IOVDD = 1.8 V

Record stereo differential to ADC

Direct MCLK

4.25

Integer PLL

5.55

DAC stereo playback to line output (10 kΩ)

Direct MCLK

4.7

Integer PLL

5.7

DAC stereo playback to headphone (16 Ω)

Direct MCLK

30.81

Integer PLL

DAC stereo playback to headphone (32 Ω)

Direct MCLK

18.3

Integer PLL

19.5

DAC stereo playback to capless headphone (32 Ω)

Direct MCLK

32.6

Integer PLL

33.7

Record aux stereo bypass to line output (10 kΩ)

Direct MCLK

1.9

Integer PLL

3.07

TYPICAL POWER MANAGEMENT MEASUREMENTS

Main 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)

AVDD = IOVDD = 3.3 V

Normal (default)

Normal operation

9.6

−91

−92.5

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

Extreme power saving

Normal operation

7.09

−84.5

−87

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

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