Manual

DS792F2 19
CS43L22
Confidential Draft
3/4/10
POWER CONSUMPTION
See (Note 16)
16. 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 master/slave operation.“Required Initialization Settings” on page 32 written on power up.
17. RESET
pin 25 held LO, all clocks and data lines are held LO.
18. RESET
pin 25 held HI, all clocks and data lines are held HI.
19. VL current will slightly increase in Master Mode.
Register Settings Typical Current (mA)
Operation
02h 04h
PDN[7:0]
PDN_HPB[1:0]
PDN_HPA[1:0]
PDN_SPKB[1:0] PDN_SPKA[1:0]
V
i
VHP
i
VA
i
VD
i
VL
VL=3.3V
(Note 19)
i
VP
VP=3.7V
Total
Power
(mW
rms
)
1
Off (Note 17)
x x x x x 1.8 0.00 0.00 0.00
0.00 0.00
0.00
2.5 0.00 0.00 0.00 0.00
2
Standby (Note 18)
0x9F x x x x 1.8 0.00 0.00 0.01
0.00 0.00
0.02
2.5 0.00 0.00 0.02 0.05
3
Stereo Passthrough to Headphone
0x9E 10 10 11 11 1.8 2.79 1.91 1.06
0.01 0.00
10.39
2.5 3.18 2.14 1.81 17.85
4
Mono Playback to Headphone
0x9E 10 11 11 11 1.8 1.59 1.99 2.72
0.01 0.00
11.36
2.5 2.07 2.62 4.27 22.43
5
Stereo Playback to Headphone
0x9E 10 10 11 11 1.8 2.77 2.00 2.91
0.01 0.00
13.84
2.5 3.27 2.63 4.28 25.48
6
Mono Playback to Speaker
0x9E 11 11 10 10 1.8 0.00 0.20 4.42
0.01 1.00
12.05
2.5 0.00 0.22 6.77 21.21
7
Stereo Playback to Speaker
0x9E 11 11 10 10 1.8 0.00 0.20 4.38
0.01 1.00
11.98
2.5 0.00 0.22 6.80 21.28