MSM6882-3 データシートの表示（PDF） - Oki Electric Industry
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MSM6882-3 Datasheet PDF : 15 Pages
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¡ Semiconductor
MSM6882-3/6882-5
Analog Interface Characteristics
Transmit signal output (AO)
Parameter
Carrier Frequency
1200
bps
2400
bps
Symbol
fM1
fS1
fM2
fS2
Carrier Level
*1 VOX
Output Amplitude
*1 VOPP
Output Resistance
ROX
Output Load Resistance
RLX
Output Load Capacitance
CLX
Output DC Voltage
VOSX
(MSM6882-3: VDD = 3 V to 4 V, Ta = –25˚C to 70˚C)
(MSM6882-5: VDD = 5 V ±0.5 V, Ta = –25˚C to 70˚C)
Condition
Min. Typ. Max. Unit
FT = "1" BR = "0"
ME = "1" BR = "1"
RL ≥ 40 kW
CL £ 40 pF
SD = "1"
SD = "0"
SD = "1"
SD = "0"
FT = "1"
ME = "1"
FT = "1"
ME = "0"
1199
1799
1199
2399
–7
–3
1.4
2.2
1200
1800
1200
2400
–3
0
2.0
3.0
1201
1801 Hz
1201
2401
–1 dBm
2
*2
—
Vp-p
—
—
—
50
—
W
—
40
—
—
kW
—
—
—
40
pF
—
0.48VDD 0.50VDD 0.52VDD V
Voice signal input (TI)
Parameter
Voltage Gain
Symbol
GT
Input Signal Level *1 VTI
Input Resistance
RTI
Condition
VAO/VTI
—
FT = "1"
ME = "0"
fTI £ 4 kHz
Min.
–2
—
40
Typ.
0
—
100
Max. Unit
+2
dB
–4 dBm
0
*2
300 kW
Built-in signal ground (SG)
Parameter
Symbol
DC Voltage
VSG
Condition
Without DC Load
Min. Typ. Max. Unit
0.48VDD 0.50VDD 0.52VDD V
Receive signal input (AI)
Parameter
Input Resistance
Receive Signal Level
Symbol
RAI
VIR1
VIR2
1200 bps
Bit Error Rate
BER
2400 bps
Condition
fAI £ 4 kHz
BR = "0"
—
BR = "1"
7 dB
S/N at AI S/N
SIN = "1"
11 dB
10 dB
14 dB
Min.
40
–30
–24
—
—
—
—
Typ.
100
—
—
2 ¥ 10–3
2 ¥ 10–5
2 ¥ 10–3
2 ¥ 10–5
Max.
300
0
0
—
—
—
—
Unit
kW
dBm
*2
*1 Upper is specified for the MSM6882-3, lower for the MSM6882-5
*2 0 dBm = 0.775 Vrms
9/15
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