參數(shù)資料
型號(hào): MSM7547
廠商: OKI SEMICONDUCTOR CO., LTD.
英文描述: Voice Signal Level Control LSI(音頻信號(hào)電平控制LSI)
中文描述: 語音信號(hào)電平控制大規(guī)模集成電路(音頻信號(hào)電平控制大規(guī)模集成電路)
文件頁數(shù): 5/7頁
文件大?。?/td> 70K
代理商: MSM7547
MSM7547
Semiconductor
5/7
Analog Interface Characteristics
ELECTRICAL CHARACTERISTICS
DC Characteristics
Parameter
Power Supply Current
Low Level Input
Voltage
High Level Input
Voltage
Digital Input Leakage
Current
Analog Input
Voltage Level
Analog Input
Resistance
Analog Output
Level Range1
Analog Output
Level Range2
Symbol
I
DD
Condition
ATT0 to ATT2
ATTE
ATT0 to ATT2
ATTE
V
I
= GND
V
I
= V
DD
RAUD, MIC
AN2, AN3
RAUD
MIC
RCV1, RCV2, AO3
R
L
= 5 k
W
(to SG level)
TAUD
R
L
= 600
W
(to SG level)
Min.
Typ.
3.0
Max.
6.0
Unit
mA
V
IL
0
1.5
V
V
IH
3.5
V
DD
V
I
IL
I
IH
–10
+10
m
A
V
IA
2.0
V
P-P
R
IA
200
k
W
V
01
2.0
V
P-P
V
02
2.0
V
P-P
( fi = 1 kHz, Ta = –20°C to 70°C, V
DD
= 5 V ±5% )
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
RX-AUDIO
Path Gain
V
RXA
+14
+15
+16
dB
RAUD-RCV1
ATT = 0 dB
ATTE = L
RAUD-RCV1
RAUD = –20 dBV
ATTE = 0 dB
ATTE = L
H
MIC-TAUD
MIC = –20 dBV
ATTE = L
H
MIC-TAUD
AO3 and AN3 are connected.
600
W
load resistance
RX-AUDIO
Loss Level (Mute)
L
RXA
40
dB
MIC Path Gain
V
RTA
–9.5
–8.5
–7.5
dB
MIC-RCV1
AO3 and AN3 are connected.
RAUD-RCV1
ATT0 to ATT2
( fi = 1 kHz, Ta = –20°C to 70°C, V
DD
= 5 V ±5% )
TX-AUDIO
Loss Level
L
TXA
40
dB
TX-AUDIO
Path Gain
L
TXA
–1.0
0
+1.0
dB
ATT
Establish Error
V
ATG
–0.3
0
+0.3
dB
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