參數(shù)資料
型號: AM79212JC
廠商: Electronic Theatre Controls, Inc.
英文描述: Advanced Subscriber Line Interface Circuit
中文描述: 高級用戶線接口電路
文件頁數(shù): 18/48頁
文件大?。?/td> 501K
代理商: AM79212JC
18
Am79213/Am79C203/031 Data Sheet
ASLIC Device Relay Driver Schematic
No.
Item
Condition
Min
Typ
Max
Unit
Note
12
ISUM/ILOOP
ILOOP = 10 mA
1/333
1/300
1/273
13
IDIF/ILONG
ILONG = 10 mA
1/667
1/600
1/546
14
Input current,
SA and SB pins
1
3
μA
4
15
Input current
HPA and HPB pins
0.1
3
16
IDC input impedance
1.26
1.8
3
k
17
K1
Incremental DC current gain
254
A/A
13
18
Metallic offset current
0
0.4
mA
Table 3. ASLIC Device Relay Driver Specifications
Item
Condition
Min
Typ
Max
Unit
Note
On voltage
25 mA per relay sink
1 relay on
0.225
0.3
V
4 relays on
0.4
0.5
4
40 mA per relay sink
1 relay on
0.45
0.7
4 relays on
0.8
1.0
4
Off leakage, each relay driver
V
OH
= +6 V
0
100
μA
Table 4. ASLIC Device Transmission Specifications
No.
Item
Condition
Min
Typ
Max
Unit
Note
1
R
SN
input impedance
f = 300 Hz to 3400 Hz
1
4
2
V
TX
output impedance
3
3
Gain, BAL1 to V
TX
1.4
1.5
1.6
V/V
4
BAL1 input impedance
3.17
5
7.5
k
4
5
Input impedance
A or B to GND
70
135
Table 2. ASLIC Device DC Specifications (continued)
RINGOUT
RY1OUT
RY2OUT
RY3OUT
BGND
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