WM8737L Production Data
w
PD, Rev 4.4, January 2012
10
MVDD = 1.8V, AVDD = 1.8V, DBVDD = 1.8V, DCVDD = 1.5V, Normal Power Mode, no MICBIAS or mic preamps
OFF 000000000
0.000 0.000 0.007 0.011
Standby 110000000
0.698 0.004 0.069 1.367
Mono (L/R) 111101000 / 111010100
3.453 0.010 1.910 9.098
Stereo / Digital Mono Mix 111111100
6.109 0.017 1.955 13.959
Analogue mono mix
(without dc monitoring via
Right ADC)
111111000
4.574 0.010 1.910 11.116
Analogue mono mix
(with continuous dc
monitoring via Right ADC)
111111100
6.109 0.017 1.940 13.937
Using MICBIAS in 0.9 X
AVDD mode in addition to
any of the above
Set appropriate MICBIAS[1:0] bits in
power management register
+0.252 - - +0.454
Using microphone boost
preamplifiers in addition to
any of the above
Set appropriate MBCTRL[1:0] bits in
register 09h and set LMBE and/or RMBE
bits in registers 02h and 03h
+0.738 - - +1.328
MVDD = 3.3V, AVDD = 3.3V, DBVDD = 3.3V, DCVDD = 1.5V, Normal Power Mode, no MICBIAS or mic preamps
OFF 000000000
0.001 0.000 0.007 0.014
Standby 110000000
1.288 0.007 0.064 4.371
Mono (L/R) 111101000 / 111010100
4.632 0.020 1.905 18.210
Stereo / Digital Mono Mix 111111100
7.750 0.032 1.950 28.606
Analogue mono mix
(without dc monitoring via
Right ADC)
111111000
5.996 0.020 1.890 22.688
Analogue mono mix
(with continuous dc
monitoring via Right ADC)
111111100
7.750 0.033 1.960 28.624
Using MICBIAS in 0.9 X
AVDD mode in addition to
any of the above
Set appropriate MICBIAS[1:0] bits in
power management register
+0.446 - - +1.472
Using microphone boost
preamplifiers in addition to
any of the above
Set appropriate MBCTRL[1:0] bits in
register 09h and set LMBE and/or RMBE
bits in registers 02h and 03h
+1.406 - - +4.640
Table 1 Supply Current Consumption (see also “Power Management” section)
Notes:
1. T
A
= +25
o
C, Slave Mode, fs = 48kHz, MCLK = 12.288 MHz (256fs), 24-bit data
2. All figures are quiescent, with no signal.