參數(shù)資料
型號: AK4673EG
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: Stereo CODEC with MIC/HP-AMP and Touch Screen Controller
中文描述: 立體聲編解碼器麥克風(fēng)/惠普- AMP及觸摸屏控制器
文件頁數(shù): 58/107頁
文件大?。?/td> 1171K
代理商: AK4673EG
[AK4673]
MS0670-E-00
2007/09
- 58 -
Analog Mixing: Mono Input (AIN3 bit = “0”: MIN pin)
When AIN3 bit = “0”, the MIN pin is used as mono input for analog mixing. When the PMMIN bit is set to “1”, the mono
input is powered-up. When the MINH bit is set to “1”, the input signal from the MIN pin is output to Headphone-Amp.
When the MINL bit is set to “1”, the input signal from the MIN pin is output to the stereo line output amplifier. The
external resister Ri adjusts the signal level of MIN input.
Table 47
,
Table 48
and
Table 49
show the typical gain example
at R
i
= 20k
Ω.
This gain is in inverse proportion to R
i
.
MIN
Ri
LOUT/LOP pin,
ROUT/LON pin
MINL
HPL, HPR pin
MINH
Figure 7. Block Diagram of MIN pin
LOVL bit
0
1
MIN
LOUT/ROUT
0dB
+2dB
(default)
Table 47. MIN Input
LOUT/ROUT Output Gain (typ) at R
i
= 20k
Ω
LOVL bit
0
1
MIN
LOP/LON
+6dB
+8dB
(default)
Table 48. MIN Input
LOP/LON Output Gain (typ) at R
i
= 20k
Ω
HPG bit
0
1
MIN
HPL/HPR
20dB
16.4dB
(default)
Table 49. MIN Input
Headphone-Amp Output Gain (typ) at R
i
= 20k
Ω
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