Table 11. powerdown pr function matrix, Table 12. power consumption by powerdown mode, Cs4297a – Cirrus Logic CS4297A User Manual
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CS4297A
34
PR Bit
ADCs
DACs
Mixer
Alternate
Line Out
Analog
Reference
AC
Link
Internal
Clock Off
PR0
•
PR1
•
PR2
•
•
•
PR3
•
•
•
•
•
PR4
•
PR5
•
•
•
•
•
•
•
PR6
•
Table 11. Powerdown PR Function Matrix
Power State
I
DVdd
(mA)
[DVdd=3.3 V]
I
DVdd
(mA)
[DVdd=5 V]
I
AVdd
(mA)
Full Power + S/PDIF
1
30.1
49.4
37.9
Full Power
24.5
43.4
37.9
ADCs off (PR0)
21.0
38.1
29.0
DACs off (PR1)
22.1
39.6
31.3
Audio off (PR2)
22.1
39.9
10.7
Vref off (PR3)
18.9
34.8
45
µA
AC-Link off (PR4)
19.3
35.5
37.9
Internal Clocks off (PR5)
11
µA
27
µA
45
µA
Alt line out off (PR6)
24.5
43.4
36.2
RESET
11
µA
27
µA
450
µA
Table 12. Power Consumption by Powerdown Mode
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
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DS318PP6
CS4297A