MSM6895 Ver la hoja de datos (PDF) - Oki Electric Industry
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MSM6895 Datasheet PDF : 43 Pages
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¡ Semiconductor
MSM6895/6896
AC Characteristics 1 (CODEC) (Continued)
(VDD = 5 V ±5%, Ta = –10°C to +70°C)
Parameter
Idle Channel Noise
Absolute Amplitude
Absolute Delay Time
Symbol Freq. Level Condition
(Hz) (dBm0)
Nidle T —
—
AIN = SG
*1
*2
Nidle R — —
*1
*3
AV T
Transmit CODEC
1020 0
AV R
Receive CODEC
Td 1020 0
A to A
CK64 = 64 kHz
Min.
—
—
0.5671
0.5671
—
Typ.
–73.5
–71
–77.8
0.6007
0.6007
0.58
Transmit Group Delay
Receive Group Delay
tgd T1 500
tgd T2 600
tgd T3 1000 0
tgd T4 2600
tgd T5 2800
tgd R1 500
tgd R2 600
tgd R3 1000 0
tgd R4 2600
tgd R5 2800
—
—
*4
—
—
—
—
—
*4
—
—
—
Crosstalk Attenuation
CR T
CR R
1020
Transmit Æ Receive 66
0
Receive Æ Transmit 70
Discrimination
DIS
4.6 kHz to
72 kHz
–25
0 to 4000 Hz
30
Out-of-band Signal
Spurious
S
300 to
3400
0
4.6 kHz to 100 kHz
—
Intermodulation Distortion
IMD
fa = 470
fb = 320
–4
2fa–fb
—
Power Supply Noise
Rejection Ratio
PSR T 0 to 50 100
PSR R kHz mVpp
*5
—
0.19
0.12
0.02
0.05
0.08
0.0
0.0
0.0
0.09
0.12
86
78
32.0
–37.5
–52
30
Notes:
*1 Psophometric filter is used
*2 Upper is specified for the MSM6895, lower for the MSM6896
*3 PCM data for MSM6895: All "1"
PCM data for MSM6896: "11010101"
*4 Minimum value of the group delay distortion
*5 The measurement under idle channel noise
Max. Unit
–70
–69
dBmOp
–74
0.6363
Vrms
0.6363
0.60 ms
0.75
0.35
0.125 ms
0.125
0.75
0.75
0.35
0.125 ms
0.125
0.75
—
dB
—
— dB
–35 dBmO
–35 dBmO
— dB
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