參數(shù)資料
型號(hào)： FEDL7204-001DIGEST-01
廠商： OKI SEMICONDUCTOR CO., LTD.
元件分類： Codec
英文描述： The ML7204-001 is a speech CODEC for VoIP.
中文描述： 在ML7204 - 001是一種VoIP語音編解碼器。
文件頁數(shù)： 14/42頁
文件大小： 792K
代理商： FEDL7204-001DIGEST-01
FEDL7204-001DIGEST-01
OKI Semiconductor
ML7204-001
14/42
AC Characteristics (Gain Setting) in Speech CODEC = G.711 (
μ
-law) mode
(AVDD = 3.0 to 3.6 V, DVDD0, 1, 2 = 3.0 to 3.6 V, AGND = DGND0, 1, 2
= 0.0 V, Ta = –20 to 60
°
C unless otherwise specified)
Condition
Parameter
Symbol
Min.
Typ.
Max.
Unit
Transmit/receive gain
setting accuracy
GAC
For all gain set values
–1.0
—
1.0
dB
AC Characteristics (Tone Output) in Speech CODEC = G.711 (
μ
-law) Mode
(AVDD = 3.0 to 3.6 V, DVDD0, 1, 2 = 3.0 to 3.6 V, AGND = DGND0, 1, 2
= 0.0 V, Ta = –20 to 60
°
C unless otherwise specified)
Parameter
Symbol
Condition
Frequency deviation
fDFT
For all frequency set values
Output level
oLEV
For all gain set values
AC characteristics (DTMF Detector and Other Detectors) in Speech CODEC = G.711 (
μ
-law) Mode
(AVDD = 3.0 to 3.6 V, DVDD0, 1, 2 = 3.0 to 3.6 V, AGND = DGND0, 1, 2
= 0.0 V, Ta = –20 to 60
°
C unless otherwise specified)
Parameter
Symbol
Condition
Detection level accuracy
dLAC
For all detection level set values
AC characteristics (Echo Canceler)
(AVDD = 3.0 to 3.6 V, DVDD0, 1, 2 = 3.0 to 3.6 V, AGND = DGND0, 1, 2
= 0.0 V, Ta = –20 to 60
°
C unless otherwise specified)
Parameter
Symbol
Condition
Echo attenuation
eRES
Erasable echo delay time
tECT
Measuring method
Min.
–1.5
–2.0
Typ.
—
—
Max.
1.5
2.0
Unit
%
dB
Min.
–2.5
Typ.
—
Max.
2.5
Unit
dB
Min.
—
—
Typ.
35
—
Max.
—
32
Unit
dB
ms
—
—
Sin
Sout
Delay
White noise generator
Rout
Rin
ATT
E.R.L
(echo return loss)
Echo delay time
Echo Canceler
LPF
5kHz
Level Meter
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