參數(shù)資料
型號(hào): AM79R79JC
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
文件大小: 361K
代理商: AM79R79JC
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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