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PDF XE056LCC Data sheet ( Hoja de datos )
| Número de pieza | XE056LCC | |
| Descripción | Surface-Mount Slim-Link DAA | |
| Fabricantes | Xecom | |
| Logotipo |  |
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XE056LCC
February 2005
Surface-Mount Slim-Link® DAA for 56K bps Data Transfer
Description
The XE056LCC is a complete telephone line
interface or DAA supporting 56K bps data transfer
in a leadless, surface-mount package. It is an
alternative to discrete DAA’s for high-speed dial-
up communications. The XE056LCC replaces 25
to 30 discrete components.
In spite of being less than 1 inch square, the
XE056LCC does not sacrifice performance for its
small size and surface-mount convenience. The
wide bandwidth, low distortion design supports
data transfer with even V.90 and V.92 modulation.
The XE056LCC includes the telephone line
transformer, loop current holding circuit, hook-
switch and ring indicator. The XE056LCC
complies with FCC Part 68 rules for direct
connection to the telephone line.
Features
* Leadless design compatible with a 68-Pin
PLCC footprint for high-volume assembly
* Meets line interface requirements for reliable
voice, audio and data communications;
* Typical Total Harmonic Distortion -77 dB ;
* FCC Part 68 Compliant;
* Integrated Low-Distortion Telephone Line
Transformer
* Ring Detection;
* Operates on a Single +5 Volt or + 3 Volt
Power Supply;
* Solid-State Hook-switch Control;
* Internal metallic surge protection provided;
* Extended Temperature Ranges available;
XE056LCC BLOCK DIAGRAM
/OH
T1
Tr ans-
T2 former
RI
Loop
Curre nt
Holding
Circuit
Hook-S wi tc h
MOV
Tip
Ring
Ring Detect
XECOM
(1) XE056LCC
1 page  
Typical Connections Diagram
FB1 Ring 2
18 RI
RJ11
FB2 Ti p 4
15 T1
XECOM 14 T2
C1 C2
XE056LCC
12 /OH
11 VCC
10 Gnd
140 Ω
140 Ω
0.15 µFd
58K Ω
3.3 V
42K Ω
42K Ω
GPIO0
GPIO1
TXAP
TXAN
0.15 µFd
58K Ω
RXAP
RXA N
TDK
73M1903
Analog
Front-End
Recommended Parts
C1, C2
470 pFd, 1500 Volts; C1 and C2 may be required for EMI filtering to prevent unintended
radiation when the telephone cable is attached to your system. These capacitors must be
rated at a minimum of 1500 volts to maintain the isolation required by FCC Part 68 Rules.
FB1., FB2 FB1 and FB2 are ferrite beads provided for EMI filtering. Xecom recommends the TDK
ACB2012L-120 which provides more than 100 ohms impedance above 100 MHz.
XECOM
(5) XE056LCC
5 Page 
Terms of Sale
Devices sold by XECOM are covered by the warranty provisions appearing in its Terms of Sale only. XECOM
makes no warranty, express, statutory, implied, or by description regarding the information set forth herein, or re-
garding the freedom of the described devices from patent infringement. XECOM makes no warranty of merchant-
ability or fitness for any purposes. XECOM reserves the right to discontinue production and change specifications
and prices at any time and without notice. This product is intended for use in normal commercial applications.
Applications requiring extended temperature range, unusual environmental requirements, or high reliability appli-
cations, such as military, medical life-support or life-sustaining equipment, are specifically not recommended with-
out additional processing and authorization by XECOM for such application.
Xecom assumes no responsibility for the use of any circuitry other than circuitry embodied in a Xecom product.
No other circuits, patents, or licenses are implied.
Life Support Policy
Xecom's products are not authorized for use as Critical Components in Life Support Devices or Systems.
Life Support Devices or Systems are devices or systems which, (a) are intended for surgical implant into the
body, or (b) support or sustain life, and whose failure to perform, when properly used in accordance with instruc-
tions provided in the labeling, can be reasonably expected to result in significant injury to the user.
A Critical Component is any component of a life support device or system whose failure to perform can be rea-
sonably expected to cause failure of the life support device or system, or to affect its safety or effectiveness.
Copyright, Xecom © 2005
While Xecom, Inc. has made every effort to ensure that the information presented here is accurate, Xecom will not
be liable for any damages arising from errors or omission of fact. Xecom reserves the right to modify specifica-
tions and/or prices without notice. Product mentioned herein are used for identification purposes only and may be
trademarks and/or registered trademarks of their respective companies.
XECOM
Xecom Incorporated
374 Turquoise Street, Milpitas, CA 95035
Ph:408-942-2200 Fax:408-942-1346
Email: [email protected]
Web Site: http://www.xecom.com
(11) XE056LCC
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet XE056LCC.PDF ] | |
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