BU26154MUV Datasheet, PDF (51/89 Pages) Rohm – High PSRR is attained by built-in regulator

BU26154MUV
Datasheet
MICBCON [1:0]
These bits are to set the MICBIAS. Set the MICBIAS voltage less than HVDD x 0.85.
Setting
The output voltage
0x0
REGOUT / 2 x 1.67V
0x1
REGOUT / 2 x 2.22V
0x2
REGOUT / 2 x 2.78V
0x3
REGOUT / 2 x 3.33V
Analog Volume Control Register
MAPCON
INDEX
b07
b06
b05
b04
b03
b02
b01
b00
R
W
(Initial)
0x0
0x3a 0x3b
-
-
-
AVVOL
-
-
-
0
1
0
1
0
This register sets the Gain of the analog volume of Lch and Rch. The fader function of the AMP Volume Control Function
Enable register is also available.
AVOL[5:0]
AVOL[5:0]
0x3Fto0x1a
0x19
0x18
0x17
0x16
0x15
0x14
0x13
0x12
0x11
0x0f
0x0e
0x0d
0x0c
0x0b
0x0a
Gain[dB]
-
+18.0
+17.0
+16.0
+15.0
+14.0
+13.0
+12.0
+11.0
+10.0
+8.0
+7.0
+6.0
+4.0
+2.0
0.0
AVOL[5:0]
0x09
0x08
0x07
0x06
0x05
0x04
0x03
0x02
0x01
0x00
Gain[dB]
-2.0
-4.0
-6.0
-8.0
-12.0
-16.0
-20.0
-24.0
-28.0
MUTE
Playback Digital Attenuator Control Register
MAPCON
INDEX
b07
b06
b05
b04
b03
b02
b01
b00
R
W
(Initial)
0x0
0x3e 0x3f
PDATT
1
1
1
1
1
1
1
1
Playback Digital Attenuator Control Register B
MAPCON
INDEX
b07
b06
b05
b04
b03
b02
b01
b00
R
W
(Initial)
0x2
0x72 0x73
PDATTB
1
1
1
1
1
1
1
1
PDATT[7:0]/ PDATTB[7:0]/
This register sets the Gain of the digital volume
in the case of COEFSEL=0, the register level of PDATT is effective.
In the case of COEFSEL=1, the register level of PDATTB is effective.
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TSZ02201-0V1V0R501570-1-2
23.Jun.2014 Rev.001