wm8940gefl-v Wolfson Microelectronics plc, wm8940gefl-v Datasheet - Page 12

• Manufacturer Part Number: wm8940gefl-v
• Description: Mono Codec With Speaker Driver
• Manufacturer: Wolfson Microelectronics plc

WM8940
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POWER CONSUMPTION
Typical current consumption for various scenarios is shown below.
Table 1 Power Consumption
Note: Power consumption figures include any power dissipated in the load (e.g. in the headphone or speaker)
Power OFF (No Clocks)
Sleep (VMID maintained, No Clocks)
Mono Record (MIC input, +20dB gain, 8kHz,
quiescent) SLAVE
Mono Record (MIC input, +20dB gain, 44.1kHz,
PLL, quiescent) MASTER
Mono 16Ω Headphone Playback (0.1mW, 1kHz
sine wave, ac coupled) SLAVE
Mono 8Ω BTL speaker Playback (44.1kHz,
200mW, 1kHz sine wave) SLAVE
Mono 8Ω BTL speaker Playback (44.1kHz,
PLL, quiescent) MASTER
MODE
(3V3)
0.038
0.190
AVDD
4.1
5.3
2.8
2.8
3.9
MA
(3V3)
SPKVDD
1.5
1.5
62
0
0
0
0
MA
DCVDD
(1.8V)
0.3
1.9
1.6
1.6
1.8
MA
0
0
DBVDD
(1.8V)
115
0.2
0.2
3.7
3.8
11
81
UA
POWER
PD, Rev 4.2, April 2008
TOTAL
0.126
0.627
216.8
14.3
21.0
17.1
21.1
(MW)
Production Data
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