參數(shù)資料
型號(hào)： L3234T
英文描述： Telephone Ringer
中文描述： 電話鈴聲
文件頁數(shù)： 15/26頁
文件大?。?/td> 457K
代理商： L3234T
AC characteristic
A simplified AC model of the transmission circuits
is shown in figure 15.
Where :
V
rx
V
tx
V
l
E
g
Z
l
is the received signal
is the transmitted signal
is the AC transversal voltage at line terminations.
is the line open circuitAC voltage
is the line impedance
R
p
Z
B
Z
A
Z
AC
R
PC
are the protection resistors
is the line impedance balancingnetwork
is the SLIC impedance balancingnetwork
program the AC line termination impedance
used for external protection resistors insertion
loss compensation
is the AC transversal current divided by 50
CAC AC feedback current decoupling
I
l
/50
Figure13:
DCcharacteristicin ActiveMode withtwo differentvaluesof limiting current (30mA and 70mA).
Figure14:
Line current versusloop resistance with two different values of limiting current (30mAand
70mA)
L3234 - L3235
15/26
相關(guān)PDF資料
PDF描述
L3235T Subscriber Line Interface Circuit
L3234 CAP CER 1.5UF 50V 20% X7R 1812
L3235N HIGHLY INTEGRATED SLIC KIT TARGETED TO PABX AND KEY SYSTEM APPLICATIONS
L3235 CAP CER 1.5UF 100V 10% X7R 1812
L34024 Optoelectronic
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L3235 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HIGHLY INTEGRATED SLIC KIT TARGETED TO PABX AND KEY SYSTEM APPLICATIONS
L3235-D2 功能描述:射頻無線雜項(xiàng) SLIC PABX & Key Sys RoHS:否 制造商:Texas Instruments 工作頻率:112 kHz to 205 kHz 電源電壓-最大:3.6 V 電源電壓-最小:3 V 電源電流:8 mA 最大功率耗散: 工作溫度范圍:- 40 C to + 110 C 封裝 / 箱體:VQFN-48 封裝:Reel
L3235-D2/TR 功能描述:電信集成電路 SLIC PABX & Key Sys RoHS:否 制造商:STMicroelectronics 類型:Telecom IC - Various 工作電源電壓:4.75 V to 5.25 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFP-100 封裝:Tray
L3235N 功能描述:電信集成電路 SLIC PABX & Key Sys RoHS:否 制造商:STMicroelectronics 類型:Telecom IC - Various 工作電源電壓:4.75 V to 5.25 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFP-100 封裝:Tray
L3235N-TR 制造商:STMicroelectronics 功能描述:SLIC 49DB 77MA 5V/100V 44TQFP - Tape and Reel
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購

我的聯(lián)系方式

*
*
*