參數(shù)資料
型號(hào)： L3000S
廠商： 意法半導(dǎo)體
英文描述： SLIC Kit Optimized for Applications with Both First and Second Generation Combos(用于短波/超短波通信系統(tǒng)的用戶線接口)
中文描述： 用戶接口工具包優(yōu)化與包括第一代和第二代功放音箱（用于短波/超短波通信系統(tǒng)的用戶線接口應(yīng)用）
文件頁(yè)數(shù)： 4/32頁(yè)
文件大?。?/td> 298K
代理商： L3000S
PIN DESCRIPTION(L3092)
N
°
1
Name
VOUT
Description
Two wire unbalanced output carryng out the following signals reduced by 40:
1) DC voltage to perform the proper DC characteristic.
2) Ringing Signal
3) Voice Signal
AC line Impedance Adjustment Protection Resistances Compensation
Transmit Amplifier Output
Comparator Input. Thisis the input comparator that senses the line voltage in power down and in
automatic stand-by, allowing off hook detection in this mode.
Aut. Input. It is a part of the digital interface. Loaded when CS is low.
Master Reset Input. When it is connected to ground the SLIC is forced in power down. It has an
internal pull-up. (typ. 200K
) (*)
Power on/power off input. This input is part of digitalinterface. Loaded when CS is low.
Ring Enable Input. This input is part of the digital interface. Loaded when CS is low.
Chip Select Input.
Ground Key Output Enabled by CS Low.
On Hook/off Hook Output Enabled by CS Low.
State control Signal 2.
State Control Signal 1. Combination of C1 and C2 define operating mode of the high voltage part.
Low Level Ringing Signal Input.
Ring Trip Detection
Longitudinal Line Current Input
I
b
I
a
100
2
3
4
RPC
TX
COMP
5
6
AUT
MR
7
8
9
10
11
12
13
14
15
16
PWON
RING
CS
GDK
ONHK
C2
C1
RGIN
CRT
IL
17
18
RDC
IT
DC Feeding System
Transversal Line Current Input
I
a
+
I
b
100
19
20
21
22
23
24
25
26
ACDC
VDD
REF
VSS
GND
LIM
PDO
ZB
AC - DC Feedback Input.
Positive Supply Voltage, +5V.
Bias Setting Pin.
Negative Supply Voltage, -5V.
Analog and Digital Ground.
Limiting Current Selection Input. Loaded when CS is low.
Power Down Output. Driving the high voltage part L3000S through the bias resistor RH.
TX Amplifier Negative Input performig the two to four wire conversion. In case of application with
2nd Generation COMBO performing also the echo cancellation (ex TS5070/5071), this pin must
be connected to GND.
AC Feedback Input.
AC Line Impedance Synthesis.
27
28
CAC
ZAC
(*) Must be connected to a proper capacitor for power on reset or to V
DD
if notused. Should not be left open.
IL
=
IT
=
L3000S - L3092
4/32
相關(guān)PDF資料
PDF描述
L30030G-1 Class G Fuse Blocks
L30030G-2 Class G Fuse Blocks
L30030G-3 CAP CER 1.5UF 50V Y5V 1812
L3092 Subscriber Line Interface(用于短波/超短波通信系統(tǒng)的用戶線接口)
L3100B Overvoltage and Overcurrent Protection for Telecom Line(用于電信線路的過流和過壓保護(hù))
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