![AKM AsahiKASEI AK4675 Скачать руководство пользователя страница 91](http://html1.mh-extra.com/html/akm/asahikasei-ak4675/asahikasei-ak4675_manual_2886255091.webp)
[AK4675]
MS0963-E-00
2008/05
- 91 -
L1G1 bit
L1G0 bit
Gain
0 0
0dB
(default)
0 1
+6dB
1 0
−
6dB
1 1
N/A
Table 60. LIN1/RIN1 (or IN1+/
−
) Mixing Gain (typ) (N/A: Not available)
L2G1 bit
L2G0 bit
Gain
0 0
0dB
(default)
0 1
+6dB
1 0
−
6dB
1 1
N/A
Table 61. LIN2/RIN2 (or IN2+/
−
) Mixing Gain (typ) (N/A: Not available)
L3G1 bit
L3G0 bit
Gain
0 0
0dB
(default)
0 1
+6dB
1 0
−
6dB
1 1
N/A
Table 62. LIN3/RIN3 (or IN3+/
−
) Mixing Gain (typ) (N/A: Not available)
L4G1 bit
L4G0 bit
Gain
0 0
0dB
(default)
0 1
+6dB
1 0
−
6dB
1 1
N/A
Table 63. LIN4/RIN4 (or IN4+/
−
) Mixing Gain (typ) (N/A: Not available)
LPG1 bit
LPG0 bit
Gain
0 0
0dB
(default)
0 1
+6dB
1 0
−
6dB
1 1
N/A
Table 64. MIC-Amp Mixing Gain (typ) (N/A: Not available)
ミ
Analog Mixing: Full-differential Input (IN1+/IN1
−
/IN2+/IN2
−
/IN3+/IN3
−
/IN4+/IN4
−
pins)
When MDIF1, MDIF2, MDIF3 and MDIF4 bits are “1”, LIN1/RIN1, LIN2/RIN2, LIN3/RIN3 and LIN4/RIN4 pins
become IN1+/
−
, IN2+/
−
, IN3+/
−
and IN4+/
−
pins, respectively, and analog mixing is available.
When the analog mixing is used, A/D converter is also available if PMADL or PMADR bit is “1”. When
PMAINL1=PMAINR1=PMAINL2=PMAINR2=PMAINL3=PMAINR3=PMAINL4=PMAINR4=PMMICL=PMMICR
bits = “1”, the input resistance of IN1+/
−
, IN2+/
−
, IN3+/
−
and IN4+/
−
pins becomes 25k
Ω
(typ) at MGNL/R0 bits = “0”
and 20k
Ω
(typ) at MGNL/R0 bits = “1”, respectively.
L1G1-0, L2G1-0, L3G1-0, L4G1-0 and LPG1-0 bits adjust the gain for each path (
,
).