FEDL7204-001DIGEST-01
OKI Semiconductor
ML7204-001
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)
Parameter
Transmit/receive gain
setting accuracy
Symbol
GAC
Condition
Min.
Typ.
Max.
1.0
Unit
dB
For all gain set values
–1.0
—
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
Frequency deviation
Output level
Symbol
fDFT
oLEV
Condition
Min.
–1.5
–2.0
Typ.
—
Max.
1.5
2.0
Unit
%
dB
For all frequency set values
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
Detection level accuracy
Symbol
dLAC
Condition
Min.
–2.5
Typ.
—
Max.
2.5
Unit
dB
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
Echo attenuation
Erasable echo delay time
Symbol
eRES
tECT
Condition
Min.
—
Typ.
35
Max.
—
32
Unit
dB
ms
—
—
—
—
Measuring method
Echo Canceler
ATT
Sin
Sout
Level Meter
E.R.L
(echo return loss)
LPF
Delay
Echo delay time
Rout
Rin
5kHz
White noise generator
14/42
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