WM8737L
Production Data
MVDD = 1.8V, AVDD = 1.8V, DBVDD = 1.8V, DCVDD = 1.5V, Normal Power Mode, no MICBIAS or mic preamps
0.000
0.698
3.453
6.109
4.574
0.000
0.004
0.010
0.017
0.010
0.007
0.069
1.910
1.955
1.910
0.011
1.367
OFF
000000000
Standby
110000000
9.098
Mono (L/R)
111101000 / 111010100
111111100
13.959
11.116
Stereo / Digital Mono Mix
Analogue mono mix
111111000
111111100
(without dc monitoring via
Right ADC)
6.109
0.017
1.940
13.937
Analogue mono mix
(with continuous dc
monitoring via Right ADC)
+0.252
+0.738
-
-
-
-
+0.454
+1.328
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
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
MVDD = 3.3V, AVDD = 3.3V, DBVDD = 3.3V, DCVDD = 1.5V, Normal Power Mode, no MICBIAS or mic preamps
0.001
1.288
4.632
7.750
5.996
0.000
0.007
0.020
0.032
0.020
0.007
0.064
1.905
1.950
1.890
0.014
4.371
OFF
000000000
Standby
110000000
18.210
28.606
22.688
Mono (L/R)
111101000 / 111010100
111111100
Stereo / Digital Mono Mix
Analogue mono mix
111111000
111111100
(without dc monitoring via
Right ADC)
7.750
0.033
1.960
28.624
Analogue mono mix
(with continuous dc
monitoring via Right ADC)
+0.446
+1.406
-
-
-
-
+1.472
+4.640
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
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
Table 1 Supply Current Consumption (see also “Power Management” section)
Notes:
1. TA = +25oC, Slave Mode, fs = 48kHz, MCLK = 12.288 MHz (256fs), 24-bit data
2. All figures are quiescent, with no signal.
PD, Rev 4.4, January 2012
10
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
