Cirrus-logic CS43L21 Manuel d'utilisateur télécharger pdf (Page 21)

DS723F1 21

CS43L21

POWER CONSUMPTION

See (Note 20)

20. Unless otherwise noted, test conditions are as follows: All zeros input, slave mode, sample rate =

48 kHz; No load. Digital (VD) and logic (VL) supply current will vary depending on speed mode and mas-

ter/slave operation.

21. RESET

pin 25 held LO, all clocks and data lines are held LO.

22. RESET

pin 25 held HI, all clocks and data lines are held HI.

23. VL current will slightly increase in master mode.

Power Control Registers Typical Current (mA)

Operation

02h 03h

PDN_DACB

PDN_DACA

BIT 4

BIT 3

BIT 2

BIT 1

PDN

BIT 3

BIT 2

BIT 1

VA_HP

(Note

23)

Total

Power

(mW

rms

)

Off

(Note 21)

xxxxxxxxxx

1.8 0 0 0 0 0

2.5 0 0 0 0 0

2 Standby (Note 22)

xxxxxx1xxx

1.8 0 0.01 0.02 0 0.05

2.5 0 0.01 0.03 0 0.10

5 Mono Playback 1011110111

1.8 1.66 1.40 2.35 0.01 9.74

2.5 2.03 1.71 3.48 0.02 18.08

6 Stereo Playback

0011110111

1.8 2.77 2.05 2.35 0.01 12.93

2.5 3.21 2.50 3.49 0.02 23.02

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 63 64

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Cirrus-logic CS43L21 Manuel d'utilisateur Page 21

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