ak4367 AKM Semiconductor, Inc., ak4367 Datasheet - Page 33

• Manufacturer Part Number: ak4367
• Description: Low Power 24-bit 2ch Dac With Hp-amp & Output Mixer
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
MS0247-E-02
Addr
06H
DACL: DAC Lch output signal is added to Lch of headphone amp.
DACR: DAC Rch output signal is added to Rch of headphone amp.
LINL: Input signal to LIN pin is added to Lch of headphone amp.
RINR: Input signal to RIN pin is added to Rch of headphone amp.
MINL: Input signal to MIN pin is added to Lch of headphone amp.
MINR: Input signal to MIN pin is added to Rch of headphone amp.
Register Name
Output Select 0
LIN/RIN pin
MIN pin
Default
0: OFF (Default)
1: ON
0: OFF (Default)
1: ON
0: OFF (Default)
1: ON
0: OFF (Default)
1: ON
0: OFF (Default)
1: ON
0: OFF (Default)
1: ON
R/W
MINL/MINR bit
LINL/RINR bit
DACL/DACR
At HPM bit = “0”, gain of summation is +1.8dB for all input path.
Figure 31. Summation circuit for headphone amp output
40k(typ)
40k(typ)
RD
D7
0
0
40k(typ)
DACL/DACR bit
RD
D6
−
+
0
0
MINR
- 33 -
R/W
D5
0
R
R
MINL
R/W
D4
0
−
+
HP-Amp
1.23R
RINR
R/W
D3
0
LINL
R/W
D2
0
HPL/HPR pin
DACR
R/W
D1
0
[AK4367]
2005/10
DACL
R/W
D0
0