參數(shù)資料
型號(hào)： AM79213
廠商： Electronic Theatre Controls, Inc.
英文描述： Advanced Subscriber Line Interface Circuit (ASLIC) Device
中文描述： 高級(jí)用戶線接口電路（ASLIC）設(shè)備
文件頁數(shù)： 17/48頁
文件大?。?/td> 501K
代理商： AM79213
ASLIC/ASLAC Products
17
PERFORMANCE SPECIFICATIONS
(See note 1) T
A
= 0
°
C to 70
°
C unless otherwise noted.
Table 2. ASLIC Device DC Specifications
No.
Item
Condition
Min
Typ
Max
Unit
Note
1
2-wire loop voltage
Standby state, R
L
= 1 M
Q
BAT
–
1.8
Q
BAT
–
1.1
Q
BAT
–
0.5
V
4
Active state, RL
AD
–
BD
= 600
IRSN = 140 μA
19.51
21.1
22.68
Disable state, RL
AD
–
BD
= 600
IRSN = 80 μA
11.34
12.19
13.04
2
Feed resistance per leg
at pins AD and BD
Standby state
130
250
375
3
ISUM current
Standby state, R
L
= 1930
44.6
56
μA
IDIF current
Standby state
A to Q
BAT
B to ground
35.4
43.4
4
Ternary input voltage boundaries for C2
–
C1 pins. Mid-
level input source must be high impedance or 3-state
Low boundary
0.8
V
High boundary
V
CC
–
1
Logic inputs C2
–
C1
Input High current
–
80
200
μA
Input Low current
90
200
3-state voltage
I
C1
= I
C2
= 1 μA
0.8
3.5
V
4
5
Logic inputs C5
–
C3
Input High voltage
2.0
Input Low voltage
0.8
Input High current
–
200
40
μA
Input Low current
–
400
40
6
V
TX
output offset
BAL1 pin open
–
50
+50
mV
7
V
REF
input voltage
IREF = ±1 mA
2.0
2.1
2.2
V
8
β
, Ratio of V
DC
to loop
voltage:
–
VSA
–
Tj < 145
°
C, V
DC
is referenced
to V
REF
, 35.7 k
resistor con-
nected from V
DC
to V
REF
.
VSA
–
VSB = 40 V.
0.0253
0.0242
0.0232
V/V
9
Thermal shutdown
threshold voltage output
on V
DC
I
VDC
= 20 μA
4.2
V
CC
–
0.4
V
4
10
Gain from VLBIAS pin to
AD or BD pin
5.58
6.0
6.42
V/V
11
Input resistance to
AGND, VLBIAS pin
VLBIAS = 3 V
20
33.3
k
β
VSB
------------------------------------
=
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