Power consumption – Cirrus Logic CS42L52 User Manual
Page 23
DS680F2
23
CS42L52
3/1/13
POWER CONSUMPTION
.
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 master/slave operation.
“Required Initialization Settings” on page 37
written on power up.
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 Ctl. Registers
Typical Current (mA)
Operation
02h
03h
04h
PDN_PG
AB
PDN_PG
AA
PDN_ADCB
PDN_ADCA
PDN
PDN_MICB
PDN_MICA
PDN_MICBIAS
PDN_HPB[1:0]
PDN_HP
A[1:0]
PDN_SPK
B[1:
0]
PDN_SPK
A[1:
0]
V
i
VHP
i
VA
i
VD
i
VL
VL=3.3V
i
VP
VP=3.7V
Total
Power
(mW
rms
)
1
Off
x
x
x
x
x
x
x
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
x
x
x
x
1 x
x
x
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
Mono Record
ADC 1 1 1 0 0 1 1 1 11
11
11
11
1.8 0.00
1.67
2.32
0.03
0.00
7.24
2.5
0.00
1.87
3.72
14.05
PGA to ADC 1 0 1 0 0 1 1 1 11
11
11
11
1.8 0.00
2.1
2.31
0.03
0.00
7.99
2.5 0.00
2.3
3.72
15.13
MIC to PGA to ADC
(with Bias)
1 0 1 0 0 1 0 0 11
11
11
11
1.8 0.00
3.48
2.32
0.03
0.00
10.49
2.5 0.00
3.71
3.72
18.65
MIC to PGA to ADC
(no Bias)
1 0 1 0 0 1 0 1 11
11
11
11
1.8 0.00
3.15
2.32
0.03
0.00
9.90
2.5
0.00
3.37
3.73
17.83
4
Stereo Record
ADC 1 1 0 0 0 1 1 1 11
11
11
11
1.8 0.00
2.31
2.37
0.03
0.00
8.48
2.5
0.00
2.53
3.82
15.95
PGA to ADC 0 0 0 0 0 1 1 1 11
11
11
11
1.8 0.00
3.18
2.37
0.03
0.00
10.04
2.5
0.00
3.42
3.81
18.15
MIC to PGA to ADC
(no Bias)
0 0 0 0 0 0 0 1 11
11
11
11
1.8 0.00
5.32
2.37
0.03
0.00
13.90
2.5 0.00
5.57
3.81
23.53
5
Mono Playback to Headphone
1 1 1 1 0 1 1 1 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
6
Mono Playback to Speaker
1 1 1 1 0 1 1 1 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 Headphone
1 1 1 1 0 1 1 1 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
8
Stereo Playback to Speaker
1 1 1 1 0 1 1 1 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
9
Stereo Passthrough to Head-
phone
1 1 1 1 0 1 1 1 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
10
Mono Record and Playback
PGA in (no MIC) to Mono HP
1 0 1 0 0 1 1 1 11
10 11
11
1.8 1.77
3.95
4.28
0.03
0.00
18.05
2.5
2.13
4.77
6.63
33.90
11
Phone Monitor
MIC (w/bias) in to Mono Out
1 0 1 0 0 1 0 0 11
10 11
11
1.8 1.76
5.33
4.28
0.03
0.00
20.52
2.5
2.15
6.19
6.69
37.65
12
Stereo Record and Playback
PGA in (no MIC) to St. HP Out
0 0 0 0 0 1 1 1 10 10 11
11
1.8 2.76
5.05
4.64
0.03
0.00
22.46
2.5
3.21
5.90
7.17
40.78
13
Stereo Rec. and Full Playback
PGA (no MIC) to St. HP and SPK
0 0 0 0 0 1 1 1 10 10 10 10
1.8 3.49
5.24
7.20
0.03
1.00
32.47
2.5
3.95
6.10
10.46
55.07