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WM8944BECS/R 数据表(PDF) 15 Page - Cirrus Logic

部件名 WM8944BECS/R
功能描述  Mono Low-Power CODEC with Video Buffer
PDF  165 Pages
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制造商  CIRRUS [Cirrus Logic]
网页  http://www.cirrus.com
标志 CIRRUS - Cirrus Logic

WM8944BECS/R 数据表(HTML) 15 Page - Cirrus Logic

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WM8944B
Rev 4.3
15
TYPICAL POWER CONSUMPTION
DCVDD
DBVDD
LDOVDD
SPKVDD
Total
(mA)
Power
(mW)
(mA)
(mA)
(mA)
(mA)
Condition
1.8
3.3
3.3
3.3
Powerdown
Supplies are all off except SPKVDD
--
--
--
5.776E-05
--
0.000
Powerdown (register settings are default value, no
MCLK, THERR_ACT=0, CIFMODE/GPIO2
configured as an input)
0.0016
0.007
0.00717
0.00133
0.017
0.054
Powerdown (register settings are default value,
MCLK=12.288MHz, THERR_ACT=0,
CIFMODE/GPIO2 configured as an input)
0.113
0.012
0.00679
0.00138
0.133
0.270
Powerdown (register settings are default value,
MCLK=24.576MHz, THERR_ACT=0,
CIFMODE/GPIO2 configured as an input)
0.245
0.017
0.00717
0.00133
0.271
0.525
Playback
Playback to Lineout (SE_CONFIG=DSP playback,
no data)
2.55
0.127
1.5
0.00146
4.18
9.964
Playback to Speaker 8ohm BTL (SE_CONFIG=DSP
playback, no data)
2.55
0.127
1.64
5.48
9.80
28.505
Playback (Low VMID)
Playback to Speaker 8ohm BTL with Low VMID
(SE_CONFIG=DSP playback, no data)
2.55
0.127
1.99
5.32
9.99
29.132
Record
IN1 to Record (SE_CONFIG=DSP record, no data)
2.85
0.127
3.87
0.00134
8.7
18.325
Record and Playback
IN1 to Record + Playback to Lineout + Speaker
8ohm BTL + MICBIAS (SE_CONFIG=DSP playback
/ record, no data)
4.01 /
5.03
0.126
6.22
5.48
15.8
46.2 /
48.1
IN1 to Record + Playback to Lineout + Speaker
8ohm BTL + MICBIAS + FLL (SE_CONFIG=DSP
playback / record, no data)
5.32 /
6.29
0.265
6.22
5.48
17.3
49.1 /
50.8
IN1 to Record + Playback to Lineout + Speaker
8ohm BTL + MICBIAS + FLL + Video Buffer
(SE_CONFIG=DSP playback / record, no data)
5.32 /
6.29
0.264
7.21
5.48
18.3
52.3 /
54.1
Record and Playback (Low VMID)
IN1 to Record + Playback to Lineout + Speaker
8ohm BTL with Low VMID + MICBIAS + FLL + Video
Buffer (SE_CONFIG=DSP playback / record, no
data)
5.32 /
6.27
0.264
7.56
5.32
18.5
53.0 /
54.7
IN1 to Record + Playback to Lineout + Speaker
8ohm BTL with Low VMID + MICBIAS + FLL + Video
Buffer + Bandgap (SE_CONFIG=DSP playback /
record, no data)
5.30 /
6.27
0.265
7.5
5.31
18.4
52.7 /
54.4



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