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参数资料
| 型号： | PBL386302SOT |
| 厂商： | ERICSSON |
| 英文描述： | Subscriber Line Interface Circuit |
| 中文描述： | 用户线接口电路 |
| 文件页数： | 1/16页 |
| 文件大小： | 134K |
| 代理商： | PBL386302SOT |
Description
The PBL 386 30/2 Subscriber Line Interface Circuit (SLIC) is a 90 V bipolar integrated
circuit for use in Digital Loop Carrier, FITL and other telecommunications equipment.
The PBL 386 30/2 has been optimized for low total line interface cost and a high
degree of flexibility in different applications.
The PBL 386 30/2 emulates resistive loop feed, programmable between 2x50
and 2x900
, with short loop current limiting adjustable to max 45 mA. In the current
limited region the loop feed is nearly constant current with a slight slope
corresponding to 2x30k
.
A second lower battery voltage may be connected to the device to reduce short
loop power dissipation. The SLIC automatically switches between the two battery
supply voltages without need for external components or external control.
The SLIC incorporates loop current and ring trip detection functions.
The PBL 386 30/2 is compatible with loop start signaling.
Two- to four-wire and four- to two-wire voice frequency (VF) signal conversion is
accomplished by the SLIC in conjunction with either a conventional CODEC/filter or
with a programmable CODEC/filter, e.g. SLAC, SiCoFi, Combo II. The programmable
two-wire impendance, complex or real, is set by a simple external network.
Longitudinal voltages are suppressed by a feedback loop in the SLIC and the
longitudinal balance specifications meet the DLC requirements.
The PBL 386 30/2 package options are 24-pin SSOP, 24-pin SOIC and
28-pin PLCC.
Figure 1. Block diagram.
March 2000
PBL 386 30/2
Subscriber Line
Interface Circuit
Key Features
24-pin SSOP package
High and low battery supply with
automatic switching
65 mW on-hook power dissipation in
active state
On-hook transmission
Long loop battery feed tracks Vbat for
maximum line voltage
Only +5 V feed in addition to battery
Selectable transmit gain (1x or 0.5x)
No power-up sequence
Programmable signal headroom
43V open loop voltage @ -48V battery
feed
Constant loop voltage for line leakage
<5 mA (RLeak ~ >10 k
@ -48V)
Full longitudinal current capability
during on-hook state
Analog over temperature protection
permits transmission while the
protection circuit is active
Integrated Ring Relay Driver
-40
°
C to +85
°
C ambient temperature
range
24-pin SOIC, 24-pin SSOP, 28-pin PLCC
1
RRLY
C1
C2
DET
PSG
REF
LP
PLD
PLC
VTX
RSN
PTG
BGND
AGND
VBAT
VBAT2
VCC
HP
RINGX
TIPX
DR
DT
Ring Relay
Driver
Input
Decoder
and
Control
Ring Trip
Comparator
Line Feed
Controller
and
Longitudinal
Signal
Suppression
Off-hook
Detector
VF Signal
Transmission
Two-wire
Interface
POV
PBL386302
386302
PL363/
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PBL38640/1R1 | 制造商:ERCONA CORP 功能描述:IC, TELECOM, SUBSCRIBER LINE INTERFACE CIRCUIT, SOIC24,TUBE 制造商:Ericsson 功能描述:IC, TELECOM, SUBSCRIBER LINE INTERFACE CIRCUIT, SOIC24,TUBE 制造商:Ericsson 功能描述:TELECOM-SLIC, 24 Pin Plastic SMT |
| PBL38640/2QNA | 功能描述:电信线路管理 IC POTS RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray |
| PBL38640/2QNT | 功能描述:IC LINE INTERFACE SLIC PLCC-28 RoHS:否 类别:集成电路 (IC) >> 接口 - 电信 系列:FlexiSLIC™ 产品培训模块:Lead (SnPb) Finish for COTS 产品变化通告:Product Discontinuation 06/Feb/2012 标准包装:750 系列:* |
| PBL38640/2QNTR2B | 制造商:Infineon Technologies AG 功能描述: |
| PBL38640/2R2 | 制造商:Ericsson 功能描述:IC,SLIC,2-4 CONVERSION,BIPOLAR,LDCC,28PIN,PLASTIC,TUBE |
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