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參數(shù)資料
| 型號(hào)： | AM79R70-1JC |
| 廠商： | ADVANCED MICRO DEVICES INC |
| 元件分類： | 模擬傳輸電路 |
| 英文描述： | Ringing Subscriber Line Interface Circuit |
| 中文描述： | TELECOM-SLIC, PQCC32 |
| 封裝： | PLASTIC, LCC-32 |
| 文件頁數(shù)： | 8/17頁 |
| 文件大小： | 271K |
| 代理商： | AM79R70-1JC |
8
Am79R70 Data Sheet
P R E L I M I N A R Y
ELECTRICAL CHARACTERISTICS (CONTINUED)
Description
Test Conditions (See Note 1)
Min
Typ
Max
Unit
Note
Line Characteristics
I
L
, Loop-current accuracy
I
L
in constant-current region,
B2EN = 0
R
LDC
= 600
, RSGL = open
R
LDC
= 750
, RSGL = short
0.9I
L
I
L
1.1I
L
mA
I
L
, Long loops, Active state
20
20
0.8I
L
21.7
I
L
, Accuracy, Standby state
I
L
1.2I
L
I
L
= constant-current region
T
A
= 25°C
Active, A and B to ground
OHT, A and B to ground
R
L
= 0
R
L
= 0
B to ground
A to –48 V = 7 k
,
B to ground = 100
18
27
39
I
L
LIM
55
55
110
4
I
L
, Loop current, Open Circuit state
I
A
, Pin A leakage, Tip Open state
I
B
, Pin B current, Tip Open state
V
A
, Standby, ground-start signaling
100
100
μA
34
–5
mA
–7.5
V
4
V
AB
, Open Circuit voltage
Power Supply Rejection Ratio (V
RIPPLE
= 100 mVrms), Active Normal State
V
CC
V
NEG
V
BAT1
V
BAT2
Power Dissipation
On hook, Open Circuit state
On hook, Standby state
On hook, OHT state
On hook, Active state
Off hook, Standby state
Off hook, OHT state
Off hook, Active state
Supply Currents
I
CC
, On-hook V
CC
supply current
42
7
50 Hz to 3400 Hz
50 Hz to 3400 Hz
50 Hz to 3400 Hz
50 Hz to 3400 Hz
33
30
30
30
50
40
50
50
dB
5
V
BAT1
V
BAT2
V
BAT1
V
BAT1
V
BAT1
or V
BAT2
R
L
= 300
V
BAT1
R
L
= 300
V
BAT2
R
L
= 300
48
55
200
220
2000
2000
550
100
80
300
350
2800
2200
750
mW
9
9
Open Circuit state
Standby state
OHT state
Active state–normal
Open Circuit state
Standby state
OHT state
Active state–normal
Open Circuit state
Standby state
OHT state
Active state–normal
3.0
3.2
6.2
6.5
0.1
0.1
0.7
0.7
0.45
0.6
2.0
2.7
4.5
5.5
8.0
9.0
0.2
0.2
1.1
1.1
1.0
1.5
4.0
5.0
mA
I
NEG
, On-hook V
NEG
supply current
I
BAT
, On-hook V
BAT
supply current
I
L
V
R
L
10 V
–
400
+
--------------------------------------
=
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| AM79R70-1SC | 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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