MSM7547 데이터 시트보기 (PDF) - Oki Electric Industry
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MSM7547 Datasheet PDF : 7 Pages
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¡ Semiconductor
MSM7547
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
IDD
VIL
VIH
IIL
IIH
VIA
RIA
V01
V02
( fi = 1 kHz, Ta = –20°C to 70°C, VDD = 5 V ±5% )
Condition
Min.
Typ. Max. Unit
—
—
3.0
6.0
mA
ATT0 to ATT2
ATTE
0
—
1.5
V
ATT0 to ATT2
ATTE
3.5
—
VDD
V
VI = GND
VI = VDD
–10
—
+10
mA
RAUD, MIC
AN2, AN3
—
—
2.0
VP-P
RAUD
MIC
—
200
—
kW
RCV1, RCV2, AO3
2.0
RL = 5 kW (to SG level)
—
—
VP-P
TAUD
2.0
RL = 600 W (to SG level)
—
—
VP-P
Analog Interface Characteristics
( fi = 1 kHz, Ta = –20°C to 70°C, VDD = 5 V ±5% )
Parameter
Symbol
Condition
Min.
Typ. Max. Unit
RX-AUDIO
Path Gain
RAUD-RCV1
VRXA
ATT = 0 dB
ATTE = L
+14
+15
+16
dB
RAUD-RCV1
RX-AUDIO
Loss Level (Mute)
RAUD = –20 dBV
LRXA
ATTE = 0 dB
40
—
—
dB
ATTE = LÆH
TX-AUDIO
Loss Level
MIC-TAUD
LTXA
MIC = –20 dBV
ATTE = LÆH
40
—
—
dB
TX-AUDIO
Path Gain
MIC-TAUD
LTXA
AO3 and AN3 are connected. –1.0
0
+1.0
dB
600 W load resistance
MIC Path Gain
MIC-RCV1
VRTA
–9.5
AO3 and AN3 are connected.
–8.5
–7.5
dB
ATT
Establish Error
RAUD-RCV1
VATG
ATT0 to ATT2
–0.3
0
+0.3
dB
5/7
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