參數(shù)資料
型號: MSM7577
廠商: OKI SEMICONDUCTOR CO., LTD.
英文描述: Voice Signal Level Control LSI
中文描述: 語音信號電平控制大規(guī)模集成電路
文件頁數(shù): 6/8頁
文件大小: 73K
代理商: MSM7577
MSM7577
Semiconductor
6/8
Analog Interface Characteristics
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
MIC = –7.45 dBV
fi = 1 kHz
600
W
load resistance
( Ta = –20°C to 70°C, V
DD
= 2.7 V to 5.25 V )
TX-AUDIO
Loss Level
L
TXA
40
dB
TX-AUDIO
Path Gain
V
TXA
–1.0
0
+1.0
dB
ATT
Establish Error
V
ATG
–0.3
0
+0.3
dB
TX-AUDIO
Distortion
8
%
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