CS4297A
CS4297A
Alternate
Line Out
Analog
Reference
AC
Link
Internal
Clock Off
PR Bit
ADCs DACs Mixer
PR0
•
PR1
PR2
PR3
PR4
PR5
PR6
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Table 11. Powerdown PR Function Matrix
IDVdd (mA)
[DVdd=3.3 V] [DVdd=5 V]
IDVdd (mA)
I
AVdd (mA)
Power State
Full Power + S/PDIF1
Full Power
30.1
24.5
21.0
22.1
22.1
18.9
19.3
11 µA
24.5
11 µA
49.4
43.4
38.1
39.6
39.9
34.8
35.5
27 µA
43.4
27 µA
37.9
37.9
ADCs off (PR0)
DACs off (PR1)
Audio off (PR2)
Vref off (PR3)
29.0
31.3
10.7
45 µA
37.9
AC-Link off (PR4)
Internal Clocks off (PR5)
Alt line out off (PR6)
RESET
45 µA
36.2
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: IDVdd S/PDIF = IDVdd + DVdd/Rload/2
34
DS318PP6
34
CIRRUS [ CIRRUS LOGIC ]
