CS4201 Datasheet, PDF (47/68 Pages) Cirrus Logic – CrystalClear Audio Codec 97 with headphone Amplifier

CS4201
PR Bit
PR0
PR1
PR2
PR3
PR4
PR5
PR6
ADCs
DACs
Mixer
Analog
Reference
AC
Link
•
•
•
•
•
•
•
•
•
•
•
•
Internal
Clock Off
•
Table 15. Powerdown PR Function Matrix for the CS4201
Headphone
•
•
•
Power State
I_DVdd (mA)
[DVdd=3.3 V]
Full Power + SRC’s
27.1
Full Power + S/PDIF¹
31.9
Full Power + HP²
26.3
Full Power
26.3
ADCs off (PR0)
23.4
DACs off (PR1)
24.5
Audio off (PR2)
21.5
Vref off (PR3)
21.2
HP amp off (PR6)
26.3
AC-Link off (PR4)
20.9
Internal Clocks off (PR5)
3.8
Digital off (PR4+PR5)
14 µA
PR3+PR4+PR5
14 µA
RESET
1.5 µA
I_DVdd (mA)
[DVdd=5 V]
44.3
48.7
42.7
42.7
38.1
39.3
34.1
34.1
42.7
35.2
6.4
28 µA
28 µA
8 µA
I_AVdd1 (mA)
34.9
34.9
34.9
34.9
26.0
28.3
2.9
2.8
33.1
34.9
19.8
19.8
2.3
2.9
I_AVdd2 (mA)
5.6
5.6
40.6
5.6
5.6
5.6
0.8 µA
0.8 µA
27 µA
5.6
5.6
5.6
0.5 µA
0.8 µA
Table 16. Power Consumption by Powerdown Mode for the CS4201
1 _{Assuming standard resistive load for transformer coupled coaxial S/PDIF output (Rload = 292 Ohm, DVdd}
= 3.3 V) (Rload = 415 Ohm, DVdd = 5 V). General: I_{DVdd S/PDIF} = I_DVdd + DVdd/Rload/2
2 _{HP_OUT_L, HP_OUT_R driving 4 Vpp into 32 Ohm resistive load.}
DS483PP3
47