ak4644 AKM Semiconductor, Inc., ak4644 Datasheet - Page 56
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ak4644
Manufacturer Part Number
ak4644
Description
Stereo Codec With Mic/hp/rcv-amp
Manufacturer
AKM Semiconductor, Inc.
Datasheet
1.AK4644.pdf
(96 pages)
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Part Number
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Quantity
Price
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Manufacturer:
AKM
Quantity:
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Part Number:
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Manufacturer:
AKM
Quantity:
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Company:
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ASAHI KASEI
<Analog Mixing Circuit for Stereo Line Output>
When AIN3 bit = “0”, DACL, MINL, LINL2 and RINR2 bits controls each path switch.
MIN path mixing gain is 0dB(typ)@LOVL bit = “0” when the external input resistance is 20kΩ.
LIN2, RIN2 and DAC pathes mixing gain is 0dB(typ)@LOVL bit = “0”.
When AIN3 bit = “1”, DACL, LINL2, RINR2, LINL3, RINR3, MICL3 and MICR3 bits controls each path switch. All
pathes mixing gain is 0dB(typ)@LOVL bit = “0”.
MS0477-E-01
LIN1 pin
RIN1 pin
LIN2 pin
LIN3 pin
RIN2 pin
RIN3 pin
LIN2 pin
MIN pin
RIN2 pin
MIN pin
Figure 47. LOUT Mixing Circuit (AIN3 bit = “0”, LOVL bit = “0”)
Figure 48. ROUT Mixing Circuit (AIN3 bit = “0”, LOVL bit = “0”)
Figure 49. LOUT Mixing Circuit (AIN3 bit = “1”, LOVL bit = “0”)
Figure 50. ROUT Mixing Circuit (AIN3 bit = “1”, LOVL bit = “0”)
DAC Rch
DAC Lch
MIC-Amp Lch
MIC-Amp Rch
DAC Lch
DAC Lch
MICR3 bit
MICL3 bit
0dB
0dB
0dB
0dB
0dB
0dB
- 56 -
*These blocks are not
available at PLL mode.
*These blocks are not
available at PLL mode.
0dB
0dB
0dB
0dB
0dB
0dB
RINR2 bit
LINL2 bit
DACL bit
DACL bit
MINL bit
MINL bit
RINR2 bit
RINR3 bit
LINL2 bit
LINL3 bit
DACL bit
DACL bit
M
M
X
X
I
I
M
M
X
X
I
I
LOUT pin
ROUT pin
LOUT pin
ROUT pin
[AK4644]
2006/10