BU26156RFS Datasheet, PDF (22/95 Pages) Rohm – Monoraul MIC Input with ALC

BU26156RFS
Analog Block Gain Diagram
Datasheet
MINP
MINM
LIN1L
LIN2L
LIN3L
LIN1R
LIN2R
LIN3R
＜Mic input＞
MALCMXGAIN (0xbe/0xbf)
0～+35.25dB / 0.75dB step
MALC
ON/OFF ： MALCEN (0xba/0xbb)
Limit Level ： 0dBV ( =1Vrms)Fixed
→ ADC input full scale level
Σ
ADC
(Analog) (Digital)
0dBV → 0dBFS
Σ
ADC
DAC
(Digital) (Analog)
0dBFS → 0dBV
DAC
＜Line input＞
LALCMXGAIN (0xc8/0xc9)
-9.0～+6.0dB / 0.75dB step
LALC
ON/OFF ： LALCEN (0xc4/0xc5)
Limit Level ： 0dBV ( =1Vrms)Fixed
→ ADC input full scale level
Serial Audio Interface
＜BEEP input＞
0dB
＜Mixvol＞
SPVOL (0x3a/0x3b)
-56～+6.0dB
＜Speaker output＞
SPMIXG(0x52/0x53)
0 / +6 / +12 / +18dB
Σ
VOL
VOL
Σ
Σ VOL
VOL
Σ
AB/D
AB/D
SPLP
SPLM
SPRP
SPRM
Σ
VOL
Σ
VOL
＜Line output＞
HPVOL
([mapcon1]0x36/0x37)
-6 / 0 / +3 / +6dB
HP
HPOUTL
HP
HPOUTR
Figure 23.
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TSZ22111・15・001
22/92
TSZ02201-0V1V0E502570-1-2
Jul.1.2014 Rev.001