KA2425AD Просмотр технического описания (PDF) - Samsung
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KA2425AD Datasheet PDF : 6 Pages
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KA2425A
SPEECH NETWORK WITH DIALER INTERFACE
ELECTRICAL CHARACTERISTICS (Continued)
Characteristic
DIALING INTERFACE
MT Input Resistance
MT Input High Voltage
MT Input Low Voltage
MS Input Resistance
MS Input High Voltage
MS Input Low Voltage
TI Input Resistance
DTMF Gain
LINE INTERFACE
V+ Current (Pin 12 Grounded)
Speech Mode
Speech/Pulse Modes
Tone Mode
V+ Voltage
Speech/Pulse Mode
Speech/Pulse Mode
Speech/Pulse Mode
Tone Mode
Tone Mode
LR Level Shift
Speech/Pulse Mode
Tone Mode
LC Terminal Resistance
VOLTAGE REGULATORS
VR Voltage
Load Regulation
Line Regulation
VDD Voltage
Load Regulation (Dialing Mode)
Line Regulation (All Modes)
Max. Output Current
Max. Output Current
VDD Leakage Current
Symbol
R1 (MT)
VIH (MT)
VIL (MT)
RI (MS)
VIH (MS)
VIL MS)
RI (T1)
GV (MF)
1+
V+
∆ VLR
RLC
VR
∆ VO
∆ VO
VDD
∆ VO (DM)
∆ VO (AM)
IOSM (MAX)
IODM (MAX)
ILKG (VDD)
Test Conditions
-
-
-
-
-
-
-
-
V+ = 1.7V
V+ = 12V
V+ = 12V
IL = 20mA
IL = 30mA
IL = 120mA
IL = 20mA
IL = 30mA
V + -VLR
-
(V+ = 1.7V)
0mA < IR < 1.6mA
2.0V < V + < 6.5V
(V+ = 4.5V)
0 < IDD < 1.6mA
4.0V < V + < 9.0V
Speech Mode
Dialing Mode
V + = 0, VDD = 3.0V
Min
Typ Max
Unit
50
100
-
KΩ
VDD-0.3
-
-
Vdc
-
-
1.0
Vdc
280
600
-
KΩ
2.0
-
-
Vdc
-
-
0.3
Vdc
-
1.25
-
KΩ
3.2
4.8
6.2
dB
4.5
7.1
9.0
5.5
8.4
12.5
mA
6.0
8.8
14.0
2.6
3.2
3.8
3.0
3.7
4.4
7.0
8.2
9.5
Vdc
4.1
4.9
5.7
4.5
6.4
6.2
-
2.7
-
Vdc
-
4.3
-
36
57
94
KΩ
1.1
1.2
1.3
Vdc
-
20
-
mV
-
25
-
mV
3.0
3.3
3.8
Vdd
-
0.25
-
Vdd
-
50
-
mV
375
550 1000
µA
1.6
2.0
3.6
mA
-
-
1.5
µA
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