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參數(shù)資料
| 型號： | ML50000 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | Echo Canceler(回聲消除器) |
| 中文描述： | 回聲消除器（回聲消除器） |
| 文件頁數(shù)： | 11/26頁 |
| 文件大?。?/td> | 287K |
| 代理商： | ML50000 |
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Semiconductor
ML50000
11/26
Condition
Min.
4.2
0
—
10
–10
–100
—
Typ.
—
—
0.1
100
–0.1
–50
0.1
Max.
V
DD
0.4
10
200
—
–10
10
Unit
V
V
m
A
m
A
m
A
m
A
m
A
Parameter
Symbol
V
OH
Output Load Capacitance
Input Capacitance
Input Capacitance
Power Supply Current (Operating)
I
DDO
I
DDS
C
I
C
LOAD
—
—
—
PWDWN
= "L"
—
—
—
—
30
10
—
—
45
50
15
20
mA
m
A
pF
pF
(V
DD
= 4.5 V to 5.5 V, Ta = –40C to +85C)
High Level Output Voltage
Low Level Output Voltage
High Level Input Current
Low Level Input Current
High Level Output Leakage Current
I
OZL
Low Level Output Leakage Current
PD15 to PD0
with pull-up
Input other than
the above
V
OL
= V
SS
–100
–10
–50
–0.1
–10
—
m
A
m
A
I
OZH
I
IL
I
IH
V
OL
V
OH
= V
DD
SF1
,
SF2
with pull-up
V
IL
= V
SS
MS with pull-down
V
IH
= V
DD
I
OL
= 1.6 mA
I
OH
= 40
m
A
Echo Canceler Characteristics (Refer to Characteristics Diagram)
Cancelable Echo Delay Time for a
Slave Chip in a Cascade
Cancelable Echo Delay Time for a
Single Chip or a Master Chip in a
Cascade
Echo Attenuation
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
—
30
—
dB
L
RES
R
IN
= –10 dBm0
(5 kHz band white noise)
E. R. L. (echo return loss)
= 6 dB
T
D
= 20 ms
ATT, GC, NLP: OFF
T
D
T
DS
—
—
21
ms
—
—
31
ms
R
IN
= –10 dBm0
(5 kHz band white noise)
E. R. L. = 6 dB
ATT, GC, NLP: OFF
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