ml7074-001ga Oki Semiconductor, ml7074-001ga Datasheet - Page 13

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

(Unless otherwise specified, AV
(Unless otherwise specified, AV
Ta = −20 to +60°C)
(Unless otherwise specified, AV
Ta = −20 to +60°C)
(Unless otherwise specified, AV
Ta = −20 to +60°C)
Measurement Method
Gain Setting (Speech CODEC in G.711 (µ µ µ µ -law) Mode)
Tone Output (Speech CODEC in G.711 (µ µ µ µ -law) Mode)
DTMF Detector, Other Detectors (Speech CODEC in G.711 (µ µ µ µ -law) Mode)
Echo Canceller
Ta = −20 to +60°C)
Oki Semiconductor
Transmit and receive
gain setting accuracy
Frequency deviation
Output level
Detect level accuracy
Echo attenuation
Erasable echo delay
time
Parameter
Parameter
Parameter
Parameter
(echo return loss)
Echo delay time
Symbol
E.R.L
Delay
Symbol
Symbol
ATT
GAC
oLEV
dLAC
fDFT
Symbol
eRES
tECT
DD
DD
DD
DD
= 3.0 to 3.6 V, DV
= 3.0 to 3.6 V, DV
= 3.0 to 3.6 V, DV
= 3.0 to 3.6 V, DV
In the PCM I/F (16-bit linear) mode
In the PCM I/F (G.711) mode
Relative to set detect level
Rout
Relative to set frequency
Sin
Echo Canceller
In the analog I/F mode
Relative to set gain
Conditions
Conditions
Conditions
DD
DD
DD
DD
Conditions
0, 1, 2 = 3.0 to 3.6 V, AGND = DGND0, 1, 2 = 0.0 V,
0, 1, 2 = 3.0 to 3.6 V, AGND = DGND0, 1, 2 = 0.0 V,
0, 1, 2 = 3.0 to 3.6 V, AGND = DGND0, 1, 2 = 0.0 V,
0, 1, 2 = 3.0 to 3.6 V, AGND = DGND0, 1, 2 = 0.0 V,


Sout
Rin
5 kHz
LPF
Level Meter
Min.
Min.
Min.
Min.
−1.0
−1.5
−2.0
−2.5


White noise generator
Typ.
Typ.
Typ.
Typ.
35
30





Max.
Max.
Max.
Max.
ML7074-001GA
1.0
1.5
2.0
2.5
32

Unit
Unit
Unit
Unit
dB
dB
dB
ms
dB
%
9