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參數(shù)資料
| 型號： | AM79534 |
| 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)： | 8/20頁 |
| 文件大?。?/td> | 266K |
| 代理商： | AM79534 |
8
Am7953X 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
120
80
mW
On-hook OHT state
–
1*
135
135
250
200
On-hook Active state
–
1*
200
200
400
300
Off-hook OHT state
R
L
= 600
R
L
= 600
500
750
Off-hook Active state
650
1000
Supply Currents
V
CC
on-hook supply current
Open Circuit state
OHT state
Active state
3.0
6.0
7.5
4.5
10.0
12.0
mA
V
EE
on-hook supply current
Open Circuit state
OHT state
Active state
1.0
2.2
2.7
2.3
3.5
6.0
V
BAT
on-hook supply current
Open Circuit state
OHT state
Active state
0.4
3.0
4.0
1.0
5.0
6.0
Power Supply Rejection Ratio (V
RIPPLE
= 50 mVrms)
V
CC
50 Hz to 3.4 kHz
–
1*
25
30
45
45
dB
6, 7
3.4 kHz to 50 kHz
–
1
22
25
35
35
V
EE
50 Hz to 3.4 kHz
–
1*
20
25
40
40
3.4 kHz to 50 kHz
–
1
10
10
25
25
V
BAT
50 Hz to 3.4 kHz
–
1*
27
30
45
45
3.4 kHz to 50 kHz
–
1
20
25
40
40
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
2.0
5.0
10.0
k
Ground-key current threshold
B(RING) to GND
Midpoint to GND
9
mA
8
Ring-Trip Detector Input
Bias current
–
5
–
0.05
μ
A
Offset voltage
Source resistance 0 to 2 M
–
50
0
+50
mV
11
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| AM79534-1DC | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Subscriber Line Interface Circuit |
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