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參數(shù)資料
| 型號： | AM79R79 |
| 廠商： | Advanced Micro Devices, Inc. |
| 英文描述： | Ringing Subscriber Line Interface Circuit |
| 中文描述： | 振鈴用戶線接口電路 |
| 文件頁數(shù)： | 9/20頁 |
| 文件大?。?/td> | 361K |
| 代理商： | AM79R79 |
SLIC Products
9
ELECTRICAL CHARACTERISTICS (continued)
RELAY DRIVER SCHEMATIC
Description
Test Conditions (See Note 1)
Min
Typ
Max
Unit
Note
Logic Inputs (C3
–
C1, D2
–
D1, E1, and B2EN)
V
IH
, Input High voltage
V
IL
, Input Low voltage
I
IH
, Input High current
I
IL
, Input Low current
Logic Output DET
V
OL
, Output Low voltage
V
OH
, Output High voltage
Ring-Trip Detector Input
Ring detect accuracy
2.0
V
0.8
40
–
75
–
400
μA
I
OUT
= 0.8 mA, 15 k
to V
CC
I
OUT
=
–
0.1 mA, 15 k
to V
CC
0.40
V
2.4
–
10
+10
%
Ring Signal
V
AB
, Ringing
V
AB
Ringing offset
V
AB
/
V
RINGIN
(RINGIN gain)
Ground-Key Detector Thresholds
Ground-key resistive threshold
Ground-key current threshold
Loop Detector
R
LTH
, Loop-resistance detect threshold
Bat1 =
–
75 V, ringload = 1570
V
RINGIN
= 2.5 V
66
–
10
150
69
0
180
Vpk
V
7
10
210
B to ground
B to ground
2
5
10
k
mA
11
Active, V
BAT1
Active, V
BAT2
Standby
–
20
–
20
–
12
20
20
12
%
9
Relay Driver Output (RELAY1 and 2)
V
OL
, On voltage (each output)
V
OL
, On voltage (each output)
I
OH
, Off leakage (each output)
Zener breakover (each output)
Zener on voltage (each output)
I
OL
= 30 mA
I
OL
= 40 mA
V
OH
= +5 V
I
Z
= 100 μA
I
Z
= 30 mA
+0.25
+0.30
+0.4
+0.8
100
V
4
μA
6.6
7.9
11
V
IRTD
RRT1
1
–
BAT1
24
μ
A
+
335
=
RYOUT1
BGND
RYOUT2
BGND
RYE
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