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| 型號： | AM79574 |
| 廠商： | Advanced Micro Devices, Inc. |
| 英文描述： | Subscriber Line Interface Circuit |
| 中文描述： | 用戶線接口電路 |
| 文件頁數(shù)： | 8/17頁 |
| 文件大?。?/td> | 162K |
| 代理商： | AM79574 |
8
Am79574 Data Sheet
ELECTRICAL CHARACTERISTICS (continued)
Description
Test Conditions (See Note 1)
Min
Typ
Max
Unit
Note
Power Dissipation, BAT =
–
48 V, Normal Polarity
On-hook Open Circuit state
–
1*
35
35
135
135
200
200
500
120
80
250
200
400
300
750
mW
On-hook OHT state
–
1*
On-hook Active state
–
1*
Off-hook OHT state
R
L
= 600
R
L
= 600
Off-hook Active state
650
1000
Supply Currents
V
CC
on-hook supply current
Open Circuit state
OHT state
Active state
Open Circuit state
OHT state
Active state
Open Circuit state
OHT state
Active state
3.0
6.0
8.0
1.0
2.3
3.0
0.4
3.2
4.5
4.5
10.0
13.0
2.3
3.7
6.0
1.0
5.5
7.0
mA
V
EE
on-hook supply current
V
BAT
on-hook supply current
Power Supply Rejection Ratio (V
RIPPLE
= 50 mVrms)
V
CC
50 Hz to 3.4 kHz
–
1*
25
30
22
25
20
25
10
10
27
30
20
25
45
45
35
40
40
40
25
25
45
45
40
40
dB
6, 7
3.4 kHz to 50 kHz
–
1*
V
EE
50 Hz to 3.4 kHz
–
1*
3.4 kHz to 50 kHz
–
1*
V
BAT
50 Hz to 3.4 kHz
–
1*
3.4 kHz to 50 kHz
–
1*
Off-Hook Detector
Current threshold accuracy
I
DET
= 365/R
D
Nominal
–
20
+20
%
Ground-Key Detector Thresholds, Active State, BAT =
–
48 V (See Test Circuit F)
Ground-key resistance threshold
B(RING) to GND
Ground-key current threshold
B(RING) to GND
Midpoint to GND
Ring-Trip Detector Input
2.0
5.0
9
9
10.0
k
mA
8
Bias current
Offset voltage
–
5
–
50
–
0.05
0
μ
A
mV
Source resistance
0
to 2 M
+50
12
Logic Inputs (C4
–
C1, E0, E1, and CHCLK)
Input High voltage
Input Low voltage
Input High current
Input High current
Input Low current
2.0
V
0.8
40
45
All inputs except E1
Input E1
–
75
–
75
–
0.4
μ
A
mA
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| AM79574-1JC | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Subscriber Line Interface Circuit |
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| AM79574JC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Subscriber Line Interface Circuit |
| AM79578-1JC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC |
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