ADAU1461WBCPZ-R7 datasheet(8/89 Pages) AD

8 / 89 page

ADAU1461

Rev. 0 | Page 7 of 88

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

Interchannel Gain Mismatch

−0.3

+0.3

Offset Error

−22

+22

Gain Error

−10

+10

DAC TO HEADPHONE/EARPIECE

OUTPUT

LOUTx, ROUTx, LHP, RHP in headphone

output mode; PO = output power per

channel

Total Harmonic Distortion + Noise

Capless Headphone Mode

−2 dBFS, 16 Ω load

−61

−2 dBFS, 32 Ω load

−63

Headphone Output Mode

0 dBFS, 10 kΩ load

−76

REFERENCE

Common-Mode Reference Output

CM pin

1.47

1.83

POWER SUPPLY SPECIFICATIONS

Master clock = 12.288 MHz, input sample rate = 48 kHz, input tone = 1 kHz, ADC input @ −1 dBFS, DAC input @ 0 dBFS,

−40°C < TA < +105°C, IOVDD = 3.3 V ± 10%. For total power consumption, add the IOVDD current listed in Table 3.

Table 3.

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

SUPPLIES

Voltage

DVDDOUT

1.56

AVDD

2.97

3.3

3.65

IOVDD

2.97

3.3

3.65

Digital I/O Current (IOVDD)

20 pF capacitive load on all digital pins

Slave Mode

fS = 48 kHz

0.48

fS = 96 kHz

0.9

fS = 8 kHz

0.13

Master Mode

fS = 48 kHz

1.51

fS = 96 kHz

fS = 8 kHz

0.27

Analog Current (AVDD)

Record Stereo Differential to ADC

PLL bypass

5.24

Integer PLL

6.57

DAC Stereo Playback to Line Output

10 kΩ load

PLL bypass

5.55

Integer PLL

6.90

DAC Stereo Playback to Headphone

32 Ω load

PLL bypass

30.9

Integer PLL

32.25

DAC Stereo Playback to Capless Headphone

32 Ω load

PLL bypass

56.75

Integer PLL

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