msm7577 Oki Semiconductor, msm7577 Datasheet - Page 6

• Manufacturer Part Number: msm7577
• Description: Voice Signal Level Control Lsi
• Manufacturer: Oki Semiconductor

¡ Semiconductor
Analog Interface Characteristics
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
Parameter
Symbol
V
L
V
V
L
V
—
RXA
RXA
TXA
TXA
RTA
ATG
RAUD-RCV1
ATT = 0 dB
ATTE = L
RAUD-RCV1
RAUD = –20 dBV
ATTE = 0 dB
ATTE = LÆH
MIC-TAUD
MIC = –20 dBV
ATTE = LÆH
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
Condition
( Ta = –20°C to 70°C, V
Min.
–1.0
–9.5
–0.3
+14
40
40
—
Typ.
–8.5
+15
—
—
—
0
0
DD
Max.
+1.0
–7.5
+0.3
+16
—
—
= 2.7 V to 5.25 V )
8
MSM7577
Unit
dB
dB
dB
dB
dB
dB
%
6/8