ml50000 Oki Semiconductor, ml50000 Datasheet - Page 22

• Manufacturer Part Number: ml50000
• Description: Echo Canceler
• Manufacturer: Oki Semiconductor

¡ Semiconductor
APPLICATION CIRCUIT
Bidirectional Connection Example
PWDWN
Microphone input
Speaker output
RST
R4
R1 = 20 kW
R2 = 20 kW
R3 = 2.2 kW
R4 = 10 kW
R10 = 10 kW
DV
DV
C1
13
11
10
22
23
20
24
28
19
27
8
6
7
4
C1 = 1 mF
C2 = 10 mF
C3 = 0.1 mF
C4 = 0.1 mF
DV
SIN
ROUT
SYNC
SCK
SYNCO
SCKO
INT
IRLD
PWDWN
RST
MCKO
V
V
V
ML50000-001GS-K
DD
DD
DD
R1
of acoustic echo
For cancellation
+
R3
C2
C3
DV
Use the MSM7704-01GS-VK for PCM CODEC when V
The MSM7533 and MSM7704 are pin compatible.
R2
SOUT
WDT
ADP
NLP
HCL
RIN
ATT
V
V
V
HD
GC
X1
X2
SS
SS
SS
21
22
13
12
15
10
16
19
12
9
1
2
3
5
26
16
25
17
R9
18
14
15
21
4
5
6
R5 = 20 kW
R6 = 20 kW
R7 = 2.2 kW
R8 = 10 kW
R11 = 10 kW
AIN1
GSX1
AOUT1
DOUT1
DIN1
XSYNC
RSYNC
BCLK
A / m
PDN
CHP
MSM7533VGS-K
DV
DV
R10
2ch CODEC
X1
C12
C13
R11
DOUT2
AOUT2
DV
GSX2
DIN2
AIN2
SGC
DV
V
DG
AG
DD
C14
12
26
16
25
17
18
14
15
21
24
23
2
14
11
8
1
18
9
C5 = 1 mF
C6 = 10 mF
C7 = 0.1 mF
C8 = 0.1 mF
9
1
2
3
5
X1
SOUT
RIN
NLP
HCL
ADP
ATT
GC
HD
WDT
X2
V
V
V
ML50000-001GS-K
SS
SS
SS
C9
For cancellation
R6
+
of line echo
C10 C11
C6
C7
R7
(AG)
PWDWN
+
SYNCO
AV
ROUT
SYNC
SCKO
IRLD
C9 = 0.1 mF
C10 = 10 mF
C11 = 0.1 mF
SCK
RST
V
V
V
SIN
INT
DD
R5
DD
DD
DD
DV
3V.
8
13
11
10
22
23
6
7
20
24
28
4
19
27
C5
DV
R9 = 1 MW
C12 = 27 pF
C13 = 27 pF
X1 = 19.2 MHz
C14 = 5 pF
ML50000
DV
Line input
Line output
R8
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