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參數(shù)資料
型號(hào): AM79231
廠商: Electronic Theatre Controls, Inc.
英文描述: Intelligent Subscriber Line Interface Circuit (ISLIC)
中文描述: 智能用戶線接口電路(ISLIC)
文件頁(yè)數(shù): 13/28頁(yè)
文件大小: 278K
代理商: AM79231
Am79231 Data Sheet
13
ELECTRICAL CHARACTERISTICS
Power Dissipation
Loop resistance = 0 to
unless otherwise noted (not including fuse resistors), 2 x 50
fuse resistors,
BATL =
36 V, BATH =
65 V, VCC = +5 V. For power dissipation measurements, DC-feed conditions
are as follows:
ILA (Active mode current limit) = 25
mA (IRSN = 50
μ
A)
RFD (Feed resistance) = 500
VAS (Anti-sat activate voltage) = 10 V
VAPP (Apparent Battery Voltage) = 48 V
RTMG1 = RTMG2 (Thermal management resistors) = 1 k
Description
Test Conditions
Min
Typ
Max
Unit
Power Dissipation
Normal Polarity
On-Hook Disconnect
On-Hook Standby
On-Hook Transmission
Fixed Longitudinal Voltage
On-Hook Active High Battery
Off-Hook Active Low Battery
RL = 294
On-Hook Disconnect
50
65
145
mW
ISLIC
ISLIC
ISLIC
TMG
270
620
200
0.5
0.1
3.1
0.75
0
3.1
1.85
0
5
3.6
0
7.3
.7
26.9
7.5
Power Supply Currents
VBH
VBL
VCC
mA
On-Hook Standby
VBH
VBL
VCC
On-Hook Transmission
Fixed Longitudinal Voltage
VBH
VBL
VCC
On-Hook Active High Battery
VBH
VBL
VCC
Off-Hook Active Low Battery
RL = 294
VBH
VBL
VCC
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