MSM7540L Ver la hoja de datos (PDF) - Oki Electric Industry
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MSM7540L Datasheet PDF : 15 Pages
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¡ Semiconductor
MSM7540L/7560L
AC Characteristics (Continued)
(VDD = 2.7 V to 3.6 V, Ta = –25°C to +70°C)
Condition
Parameter
Symbol Freq.
(Hz)
Level
(dBm0)
Min.
Others
Typ.
Max. Unit
Idle Channel Noise
NIDLT
—
NIDLR
—
AIN = SG (*1) —
(*1)
—
—
(*2)
–68
—
(–75.7) dBm0p
–72 (dBmp)
—
(–79.7)
Absolute Signal
Amplitude
AVT
1020
AVR
0.320
GSX2 0.285
0.359 Vrms
(*3)
0
0.320
VFRO 0.285
0.359 Vrms
(*3)
Power Supply Noise
PSRRT Noise Freq. Noise Level
—
30
—
—
dB
Rejection Ratio
PSRRR : 0 to 50 kHz : 50 mVPP
30
—
—
dB
tSDX
50
—
200 ns
Digital Output
Delay Time
tSDR
1 LSTTL + 100 pF,
50
—
200 ns
tXD1
—
—
50
Pull-up: 500 W
—
200 ns
tXD2
50
—
200 ns
tXD3
50
—
200 ns
*1 Use the P-message weighted filter
*2 PCMRI input code "11010101"(MSM7540L)
"11111111"(MSM7560L)
*3 0.320 Vrms = 0 dBm0 = –7.7 dBm
Note: All ADPCM coder and decoder characteristics comply with ITU-T Recommendation
G.721.
11/15
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