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| 型號(hào)： | 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(yè)數(shù)： | 7/17頁(yè) |
| 文件大?。?/td> | 162K |
| 代理商： | AM79574 |
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SLIC Products
7
ELECTRICAL CHARACTERISTICS (continued)
Description
Test Conditions (See Note 1)
Min
Typ
Max
Unit
Note
Balance Return Signal (4- to 4-Wire, See Test Circuit B)
Gain accuracy
0 dBm, 1 kHz,
0 dBm, 1 kHz,
0 dBm, 1 kHz,
0 dBm, 1 kHz,
300 Hz to 3.4 kHz
Relative to 1 kHz
0
°
C to +70
°
C
–
40
°
C to +85
°
C
+7 dBm to
–
55 dBm
0
°
C to +70
°
C
–
40
°
C to +85
°
C
f = 1 kHz
0
°
C to +70
°
C
–
40
°
C to +85
°
C
0
°
C to +70
°
C
–
40
°
C to +85
°
C
–
1*
–
1
–
0.15
–
0.20
–
0.1
–
0.15
+0.15
+0.20
+0.1
+0.15
dB
—
4
—
4
Variation with frequency
–
0.1
–
0.15
+0.1
+0.15
—
4
Gain tracking
–
0.1
–
0.15
+0.1
+0.15
—
4
4
Group delay
Total Harmonic Distortion (2- to 4-Wire or 4- to 2-Wire, See Test Circuits A and B)
Total harmonic distortion
0 dBm, 300 Hz to 3.4 kHz
+9 dBm, 300 Hz to 3.4 kHz
Idle Channel Noise
C-message weighted noise
2-wire,
2-wire,
2-wire,
4-wire,
4-wire,
4-wire,
Psophometric weighted noise
2-wire,
2-wire,
2-wire,
4-wire,
4-wire,
4-wire,
Single Frequency Out-of-Band Noise (See Test Circuit E)
Metallic
4 kHz to 9 kHz
9 kHz to 1 MHz
256 kHz and harmonics
Longitudinal
1 kHz to 15 kHz
Above 15 kHz
256 kHz and harmonics
Line Characteristics (See Figure 1) BAT = –48 V, R
L
= 600
and 900
, R
FEED
= 800
Apparent battery voltage
Active state
Loop current accuracy
Active state
Loop current
—
Tip Open
R
L
= 600
Loop current
—
Open Circuit
R
L
= 0
Loop current limit accuracy
OHT state
Active state
Fault current limit, I
L
LIM
(I
AX
+ I
BX
)
5.3
μ
s
–
64
–
55
–
50
–
40
dB
0
°
C to +70
°
C
0
°
C to +70
°
C
–
40
°
C to +85
°
C
0
°
C to +70
°
C
0
°
C to +70
°
C
–
40
°
C to +85
°
C
0
°
C to +70
°
C
0
°
C to +70
°
C
–
40
°
C to +85
°
C
0
°
C to +70
°
C
0
°
C to +70
°
C
–
40
°
C to +85
°
C
–
1*
+7
+7
+7
+7
+7
+7
–
83
–
83
–
83
–
83
–
83
–
83
+15
+12
+15
+15
+12
+15
–
75
–
78
–
75
–
75
–
78
–
75
dBrnc
—
—
4
—
—
4
7
—
4, 7
7
—
4, 7
–
1*
–
1*
dBmp
–
1*
–
76
–
76
–
57
–
70
–
85
–
57
dBm
4, 5, 9
4, 5, 9
4, 5
4, 5, 9
4, 5, 9
4, 5
47
–
7.5
50
53
+7.5
1.0
V
%
mA
1.0
–
20
+20
%
10
A and B shorted to GND
130
mA
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AM79574-1JC | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Subscriber Line Interface Circuit |
| AM79574-2JC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC |
| 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 |
| AM79578-2JC | 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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