AK4645EN Datasheet, PDF (64/96 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/HP-AMP

ASAHI KASEI
AK4645
HPL pin
HPR pin
Headphone
[AK4645]
Another
HP-Amp
Figure 58. ֎෦୯ిݯϔουϑΥϯΞϯϓͱͷWired OR
ʻϔουϑΥϯग़ྗͷϛΩγϯάճ࿏ʼ
AIN3 bit = “0”ͷͱ͖ɺ֤ύεͷON/OFF͸ͦΕͧΕDACH, MINH, LINH2, RINH2, LINH4, RINH4 bitsͰઃఆ͠
·͢ɻMINͷՃࢉήΠϯ͸֎෦ೖྗ఍߅20kΩͷͱ͖−20dB(typ)@HPG bit = “0”Ͱ͢ɻ
LIN2/RIN2/LIN4/RIN4/DACͷՃࢉήΠϯ͸0dB(typ)@HPG bit = “0”Ͱ͢ɻ
LINH2 bit
LIN2 pin
0dB
LIN4 pin
MIN pin
LINH4 bit
0dB
M
MINH bit
I
−20dB
X
HPL pin
DAC Lch
DACH bit
0dB
Figure 59. HPLͷϛΩγϯάճ࿏(AIN3 bit = “0”, HPG bit = “0”)
RIN2 pin
RINH2 bit
0dB
RIN4 pin
MIN pin
RINH4 bit
0dB
M
MINH bit
I
−20dB
X
HPR pin
DAC Rch
DACH bit
0dB
Figure 60. HPRͷϛΩγϯάճ࿏(AIN3 bit = “0”, HPG bit = “0”)
MS0543-J-00
- 64 -
2006/09