LC75106V SANYO [Sanyo Semicon Device], LC75106V Datasheet - Page 9

• Manufacturer Part Number: LC75106V
• Description: Digital Echo LSI with Built-in Mic Amplifier
• Manufacturer: SANYO [Sanyo Semicon Device]

Mic2 input
Mic1 input
Mic2 input
Mic1 input
Sample Application Circuit (Mic-Gain = +38dB)
Stereo signal internal connection modes
Stereo signal outside connection modes
0.1uF 16V
0.1uF 16V
0.1uF 16V
0.1uF 16V
+
+
MICIN2
MICIN1
MICNF1 MICOUT1
+
+
MICNF2 MICOUT2
MICIN2
MICIN1
36
1
3
680pF 50V
34
36
1
680pF 50V
ALC2
ALC1
+
35
56000pF 16V
2
4
ALC2
ALC1
+
+ +
33
35
56000pF 16V
2
+
I2C Control
MICNF2 MICOUT2
MICNF1 MICOUT1
I2C Control
IN1
34
MICNF2 MICOUT2
MICNF1 MICOUT1
3
5
680pF 50V
680pF 50V
IN2
32
34
3
680pF50V
680pF50V
33
4
33
56000pF 16V
56000pF 16V
4
IN2
IN1
32
5
50k_ohm
IN2
IN1
32
5
50k_ohm
ALCDETV
VREF
ALCDETV
31
6
VREF
+
+
31
6
+
+
Vdd (9.0V)
(SELOUT)
SUMOUT SUMIN
VDD
(SELOUT)
SUMOUT SUMIN
30
7
0.1uF 16V
+
VDD
+
Key Control
30
7
+
Vdd (9.0V)
(FILTER)
+
(SELIN)
LSI
N.C
29
(FILTER)
8
(SELIN)
+
N.C
LC75106V
29
8
(RCHOUT)
LC75106
AAF3
OUT
+
(RCHOUT)
28
9
LC75106
AAF3
OUT
+
28
9
(LCHOUT)
FEEDIN
AAF2
+
(LCHOUT)
27
10
Echo output
FEEDIN
680pF 50V
AAF2
+
27
10
680pF 50V
ECHOIN ECHOOUT
AAF1
+
26
11
ECHOIN ECHOOUT
AAF1
26
11
Lch output
Rch output
0.1uF 16V
+
NF
25
12
1000pF
NF
25
12
I2C Control
(LCHOUT)
1000pF
FEEDIN
LPF1
A/D
+
24
13
10
LPF1
A/D
24
13
ECHOIN ECHOOUT
DC3V
LPF2
+
23
14
11
+
DC3V
LPF2
23
14
+
OSC
D/A
22
15
12
1000pF
OSC
D/A
22
15
TEST4
GND
LPF1
(CS)
21
16
13
TEST4
GND
(CS)
21
16
(RCHIN)
TEST3
(SCL)
N.C
20
17
(LCHIN)
TEST3
(SCL)
+
N.C
20
17
(LCHIN)
(SDA)
N.C
N.C
19
18
(RCHIN)
(SDA)
N.C
N.C
+
19
18
Analog Gnd
Analog Gnd
DC Power (3.3V)
Non I2C Control = 33k_ohm
No. A2153-9/15
3.3V
(Pull Down)
Rch input
Lch input
SCL(I2C)
SDA(I2C)
SCL
SDA