WM9711LGEFL/V Wolfson Microelectronics, WM9711LGEFL/V Datasheet - Page 11

• Manufacturer Part Number: WM9711LGEFL/V
• Description: Audio CODECs Stereo AC'97 CODEC with H/P
• Manufacturer: Wolfson Microelectronics

Specifications of WM9711LGEFL/V

• Number Of Adc Inputs: 1
• Number Of Dac Outputs: 1
• Interface Type: AC97
• Resolution: 12 bit
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN EP
• Minimum Operating Temperature: - 25 C
• Number Of Channels: 2 ADC/2 DAC
• Audio Codec Type: Stereo
• No. Of Adcs: 2
• No. Of Dacs: 3
• No. Of Input Channels: 9
• No. Of Output Channels: 4
• Adc / Dac Resolution: 12bit
• Adcs / Dacs Signal To Noise Ratio: 94dB
• Sampling Rate: 48kHz
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Production Data
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POWER CONSUMPTION
The power consumption of the WM9711L depends on the following factors.
•
•
Table 1 Supply Current Consumption (Simulation)
Notes:
1.
2.
Mode Description
OFF (lowest possible power)
Clocks stopped
LPS (Low Power Standby)
VREF maintained using 1MOhm string
Standby Mode (ready to playback)
VREF maintained using 50kOhm string
"Idle" Mode
VREF maintained using 50kOhm string
use LPS mode instead, if possible
Phone Call - using headphone / ear speaker 0110011 0111100010101100 0Eh, bit 7 = 1
HPOUTL, HPOUTR and OUT3 active
AC-Link stopped
Phone Call - using loudspeaker
AC-Link stopped
Record from mono microphone
with MICBIAS
all analogue outputs disabled
Record phone call
both sides mixed to mono
call using headphone / ear speaker
DAC Playback - using loudspeaker
DAC Playback - using headphone
DAC Playback - to Line-out
Maximum Power (everything on)
Supply voltages: Reducing the supply voltages also reduces digital supply currents, and therefore results in significant
power savings especially in the digital sections of the WM9711L.
Operating mode: Significant power savings can be achieved by always disabling parts of the WM9711L that are not
used (e.g. audio ADC, DAC, AUXDAC, speaker driver, etc.)
All figures are at T
The power dissipated in the headphone and speaker is not included in the above table.
A
= +25
o
C, audio sample rate fs = 48kHz, with zero signal (quiescent).
0000000 0000000010001000 0Eh, bit 7 = 1
0000000 0000000000000000 0Eh, bit 7 = 1
26h 14:8
1111111 0111111111111111 58h, SVD = 1
1111111 0111111111111111
1110111 0111111111111111
1100111 0111111111111111
1110011 0111101100110100 0Eh, bit 7 = 1
1000110 0110101111111111 0Eh, bit 7 = 1
1000001 0001111101110111
0000001 0001110011101111
0000001 0001110011110111
24h 15:0
Other Settings
(mic gain boost)
(mic gain boost)
(mic gain boost)
(mic gain boost)
(mic gain boost)
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
V
AVDD
0.0005
0.0004
0.0003
I (mA)
0.005
0.004
0.003
0.241
0.508
1.838
1.218
2.385
1.837
1.218
1.838
9.461
5.318
2.549
1.738
1.748
1.748
9.593
5.388
0.56
0.37
0.76
2.36
3.27
2.66
7.46
3.45
3.62
2.71
3.62
2.71
7.37
1.1
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
V
DCVDD
I (mA)
11.21
12.22
8.552
5.799
9.884
6.755
4.606
4.606
4.606
12.26
8.563
7.78
5.21
6.78
6.78
9.8
9.8
5.8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
3.3
2.5
1.8
V
DBVDD
PD Rev 4.3 August 2006
I (mA)
2.13
1.41
2.62
1.48
1.41
1.47
1.41
2.62
2.12
1.48
2.6
2.1
2.6
2.1
2.6
2.1
2.6
2.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
WM9711L
Total Power
0.00165
0.00054
15.2244
80.1933
22.6746
52.5822
13.9572
14.0832
13.9752
80.7609
45.1325
22.8024
0.0165
0.0054
0.4338
0.9144
2.1924
7.8705
4.5925
2.1924
56.364
31.425
52.866
28.975
52.866
28.975
1.848
7.788
(mW)
0.001
0.925
4.595
45.28
28.51
0.01
3.63
1.9
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