參數(shù)資料
型號(hào)： L8576B
廠商： Lineage Power
英文描述： Dual Ringing SLIC(雙通道振鈴用戶(hù)環(huán)路接口（SLIC）)
中文描述： 雙振鈴用戶(hù)接口（雙通道振鈴用戶(hù)環(huán)路接口電路（SLIC））
文件頁(yè)數(shù)： 1/26頁(yè)
文件大?。?/td> 695K
代理商： L8576B
Data Sheet
October 2000
L8576B Dual Ringing SLIC
Features
I
Two SLIC channels for multiple tip/ring interfaces
I
On-chip balanced ringing generator, no ring relay
required
I
Single battery operation or optional automatic bat-
tery switch
I
Quiet battery reversal for on-hook signaling
I
Disconnect state
I
Distortion-free, on-hook transmission
I
24 mA loop current limiter
I
Ring trip detector
I
Switchhook detector
I
Immune to channel crosstalk and impulse noise
I
Allows rail overvoltages for ease of protection
I
Thermal protection
I
44-pin, surface-mount, plastic package (PLCC)
Applications
I
POTS for ISDN
I
Terminal adapters (TA)
I
Digital loop carrier (DLC) systems
I
PABX
Description
The L8576B electronic dual subscriber line interface
circuit (SLIC) provides all the functions that are nec-
essary to interface a codec to the tip and ring of a
subscriber loop, integrating two battery feeds and
ringing generators in one low-cost package. The
L8576B device is optimized to meet the needs of
short loop, customer premises applications and fea-
tures balanced ringing from the single battery supply.
The device is built using a 90 V complementary bipo-
lar (CBIC) process. It is available in a 44-pin PLCC
package.
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