ml7074-001ga Oki Semiconductor, ml7074-001ga Datasheet - Page 12

• Manufacturer Part Number: ml7074-001ga
• Description: Speech Codec
• Manufacturer: Oki Semiconductor

(Unless otherwise specified, AV
Ta = −20 to +60°C)
AC Characteristics
CODEC (Speech CODEC in G.711 (µ µ µ µ -law) Mode)
Notes: 1 Using P-message filter
Oki Semiconductor
Transmit frequency
characteristics
Receive frequency
characteristics
Transmit signal to
noise ratio [1]
Receive signal to noise
ratio [1]
Transmit inter-level
loss error
Receive inter-level loss
error
Idle channel noise [1]
Transmit absolute level
[2]
Receive absolute level
[ 2]
Power supply noise
reject ratio
Parameter
2 0.320 Vrms = 0 dBm0 = −7.7 dBm (600Ω)
Symbol
PSRRR
PSRRT
NIDLR
NIDLT
SDR1
SDR2
SDR3
SDR4
SDR5
GTR1
GTR2
GTR3
GTR4
GTR5
SDT1
SDT2
SDT3
SDT4
SDT5
GTT1
GTT2
GTT3
GTT4
GTT5
AVR
AVT
LT1
LT2
LT3
LT4
LT5
LT6
LR2
LR3
LR4
LR5
LR6
DD
= 3.0 to 3.6 V, DV
Noise level: 50mVpp
range: 0 to 50 kHz
Frequency (Hz)
Noise frequency
300 to 3000
0 to 3000
3968.75
3968.75
0 to 60
1020
3300
3400
1020
3300
3400
1020
1020
1020
1020
1020
1020


Conditions
DD
0, 1, 2 = 3.0 to 3.6 V, AGND = DGND0, 1, 2 = 0.0 V,
Analog input =
Level (dBm0)
PCMI = ”1”
AVREF
−30
−40
−45
−30
−40
−45
−10
−40
−50
−55
−10
−40
−50
−55


0
0
3
0
3
0
3
3
0
0
0.285
0.285
−0.15
−0.15
−0.15
−0.15
Min.
−0.2
−0.2
−0.6
−1.2
−0.2
−0.2
−0.6
−1.2
25
13
13
35
35
35
28
23
35
35
35
28
23
30
30


0
0
Reference value
Reference value
Reference value
Reference value
0.320
0.320
Typ.































0.359
0.359
Max.
0.20
0.80
0.80
0.20
0.80
0.80
ML7074-001GA
−68
−72
0.2
0.2
0.6
1.2
0.2
0.2
0.6
1.2















dBm0p
dBm0p
Vrms
Vrms
Unit
dBp
dBp
dBp
dBp
dBp
dBp
dBp
dBp
dBp
dBp
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB




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