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Part Name
Description
MSM7577 View Datasheet(PDF) - Oki Electric Industry
Part Name
Description
Manufacturer
MSM7577
Voice Signal Level Control LSI
Oki Electric Industry
MSM7577 Datasheet PDF : 8 Pages
1
2
3
4
5
6
7
8
¡ Semiconductor
MSM7577
Analog Interface Characteristics
Parameter
RX-AUDIO
Path Gain
RX-AUDIO
Loss Level (Mute)
TX-AUDIO
Loss Level
TX-AUDIO
Path Gain
MIC Path Gain
ATT
Establish Error
TX-AUDIO
Distortion
Symbol
V
RXA
L
RXA
L
TXA
V
TXA
V
RTA
V
ATG
—
Condition
RAUD-RCV1
ATT = 0 dB
ATTE = L
RAUD-RCV1
RAUD = –20 dBV
ATTE = 0 dB
ATTE = L
Æ
H
MIC-TAUD
MIC = –20 dBV
ATTE = L
Æ
H
MIC-TAUD
AO3 and AN3 are connected
600
W
load resistance
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 )
Min.
Typ. Max. Unit
+14
+15
+16
dB
40
—
—
dB
40
—
—
dB
–1.0
0
+1.0
dB
–9.5
–8.5
–7.5
dB
–0.3
0
+0.3
dB
—
—
8
%
6/8
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