ML7012-04 Просмотр технического описания (PDF) - Oki Electric Industry
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ML7012-04 Datasheet PDF : 22 Pages
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1Semiconductor
FEDL 7012-04-01
ML7012-04
Analog Interface
Parameter
Symbol
Condition
(VDD = 2.7 to 3.6 V, Ta = –20 to +70°C)
Min. Typ.
Max. Unit
Input Resistance
Output Load Resistance
Output Load Capacitance
SG Output Voltage
SG Output Impedance
Carrier Output Level
RIN
RL1
RL2
CL
VSG
RSG
VAOM
RCI, TXAI, AIN
AOUT, RCAO, GSR
Between TXAN and TXAP
Analog output
SG
SG
AOUT, S34 = 0 dm
—
20
1080
—
1.3
—
–19.5
10
—
—
—
1.4
30
–18.0
—
—
—
100
1.65
—
–16.0
MΩ
kΩ
Ω
pF
V
kΩ
dBm
DTMF Low Group Output Level VDTL
AOUT, S35 = 0 dm
–17.0 –15.5 –13.5 dBm
DTMF High Group Output Level VDTH
AOUT, S35 = 0 dm
–16.0 –14.5 –12.5 dBm
DTMF Output Frequency
Precision
TSDF
Against a nominal
frequency
–1.5
—
+1.5
%
Answer Tone Output Level
VAOAT
AOUT, S34 = 0 dB
–20 –18.0 –15.5 dBm
Answer Tone Output Frequency
Precision
TSAF
Against 2100 Hz
–10
—
+10
Hz
VS1
4 to 8 kHz
—
—
–20 dBm
Undesired Sending Level
VS2
8 to 12 kHz
—
—
–40 dBm
TXAN,
TXAP 12 kHz or more
VS3
(each 4 kHz
—
—
–60 dBm
band)
Carrier Receive Input Level
VGSR
GSR level
–46
—
–15 dBm
Carrier Detection Level
VON
OFF→ ON –46
—
GSR level *2
VOFF
ON→ OFF —
—
—
dBm
–54 dBm
Carrier Detection Delay Time
Carrier Detection Hold Time
Answer Tone Detection/Non-
detection Level
tCDD
tCDH
ATDL
—
OFF→ ON
25
—
ON→ OFF
15
GSR level
—
–50
—
ms
—
ms
—
dBm
—
dBm
Call Progress Tone
Detection/Non-detection Level
CPDL
GSR level
—
–50
—
dBm
—
dBm
*1: The unit of the signal level (dBm) is 0 dBm = 0.775 Vrms.
*2: The values of the carrier detection level are those for QAM, PSK and FSK modulation signals.
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