- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄384587 > L7557 (Lineage Power) Low-Power SLICs （electronic subscriber loop interface circuits ）with Battery Switch(帶電池開關的低功耗用戶環(huán)路線接口電路（SLIC）) PDF資料下載
參數(shù)資料
| 型號： | L7557 |
| 廠商： | Lineage Power |
| 英文描述： | Low-Power SLICs （electronic subscriber loop interface circuits ）with Battery Switch(帶電池開關的低功耗用戶環(huán)路線接口電路（SLIC）) |
| 中文描述： | 低功耗SLIC組件（電子用戶環(huán)路接口電路）與電池開關（帶電池開關的低功耗用戶環(huán)路線接口電路電路（SLIC）） |
| 文件頁數(shù)： | 15/28頁 |
| 文件大?。?/td> | 753K |
| 代理商： | L7557 |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁當前第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁
Lucent Technologies Inc.
15
Data Sheet
January 2000
with Battery Switch
L7556, L7557 Low-Power SLICs
Applications
(continued)
Table 10. Parts List for Loop Start and Ground Start Applications
* Contact your Lucent Technologies account representative for protector recommendations. Choice of this (and all) component(s) should be
evaluated and confirmed by the customer prior to use in any field or laboratory system. Lucent does not recommend use of this part in the
field without performance verification by the customer. This device is suggested by Lucent for customer evaluation. The decision to use a
component should be based solely on customer evaluation.
Name
Value
Function
Integrated Circuits
SLIC
Protector
Ringing Relay
Codec
Overvoltage Protection
R
PT
R
PR
Power Supply
C
BAT1
C
BAT2
C
CC
C
F1
C
F2
D
BAT
dc Profile
R
PROG
ac Characteristics
C
B1
C
B2
R
T1
R
RCV
R
GP
L7556/7557
Crowbar protector*
L7581
T7504
Subscriber loop interface circuit (SLIC).
Secondary protection.
Switches ringing signals.
First-generation codec.
50
, PTC or Fusible
50
, PTC or Fusible
Protection resistor.
Protection resistor.
0.1 μF, 20%, 100 V
0.1 μF, 20%, 100 V
0.1 μF, 20%, 10 V
0.47 μF, 20%, 100 V
0.1 μF, 20%, 100 V
100 V, 150 mA
V
BAT1
filter capacitor.
V
BAT2
filter capacitor.
V
CC
filter.
With C
F2
, improves idle channel noise.
With C
F1
, improves idle channel noise.
Transient protection diode.
66.8 k
, 1%, 1/16 W
Sets dc loop current limit.
0.47 μF, 20%, 10 V
0.47 μF, 20%, 10 V
54.9 k
, 1%, 1/16 W
84.5 k
, 1%, 1/16 W
57.6 k
, 1%, 1/16 W
ac/dc separation capacitor.
ac/dc separation capacitor.
With R
GP
and R
RCV
, sets ac termination impedance.
With R
GP
and R
T1
, sets receive gain.
With R
T1
and R
RCV
, sets ac termination impedance
and receive gain.
Loop stability.
With R
X
, sets transmit gain in codec.
With R
T2
, sets transmit gain in codec.
Sets hybrid balance.
C
GP
R
T2
R
X
R
HB1
330 pF, 10 V, 20%
18.7 k
, 1%, 1/16 W
90.9 k
, 1%, 1/16 W
90.9 k
, 1%, 1/16 W
相關PDF資料 |
PDF描述 |
|---|---|
| L7581 | Ringing Access Switch(振鈴存取開關) |
| L7582 | Ring Access Switch(振鈴存取開關) |
| L7583B | Line Card Access Switch(線卡存取開關) |
| L7583C | Line Card Access Switch(線卡存取開關) |
| L7583D | Line Card Access Switch(線卡存取開關) |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| L7558 | 制造商:HAMAMATSU 制造商全稱:Hamamatsu Corporation 功能描述:High-speed, high-power infrared LED for spatial light transmission |
| L7558-01 | 制造商:HAMAMATSU 制造商全稱:Hamamatsu Corporation 功能描述:High-speed, high-power infrared LED for spatial light transmission |
| L755AC | 制造商:MCM 功能描述:AC ADAPTER L755-S5355 制造商:PREMIER FARNELL 功能描述:AC ADAPTER L755-S5355 |
| L755KEYBOARD | 制造商:MCM 功能描述:KEYBOARD L755-S5355 制造商:PREMIER FARNELL 功能描述:KEYBOARD L755-S5355 |
| L7560 | 制造商:HAMAMATSU 制造商全稱:Hamamatsu Corporation 功能描述:High-speed, high output power LED with mini-lens |
發(fā)布緊急采購，3分鐘左右您將得到回復。