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PDF XE0092 Data sheet ( Hoja de datos )
| Número de pieza | XE0092 | |
| Descripción | Surface-Mount DAA Modules | |
| Fabricantes | Xecom | |
| Logotipo |  |
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XE0092
June 2004
Surface-Mount DAA Modules for Audio or Data Transfer
Description
The XE0092 supplies a complete telephone line interface
or DAA (Data Access Arrangement) in a compact,
surface-mount module. It offers an alternative to a
discrete DAA for a multitude of voice, audio, DTMF, fax
and data applications. The XE0092 replaces 25 to 30
discrete components with a single, fully-assembled and
fully-tested unit.
The XE0092 does not sacrifice performance for small size
and surface-mount convenience. The wide bandwidth,
low distortion design provides sufficient bandwidth for
a 56K bps analog modem.
Like all Xecom DAA's the XE0092 is a complete DAA. It
includes a 2-4 wire converter, loop current holding
circuit, hook switch and ring indicator. It also supports
Caller ID. The XE0092 complies with FCC Part 68 rules
for direct connection to the telephone line.
Two versions of the XE0092 are available; the XE0092
with gull-wing leads and the XE0092LCC with a leadless
chip carrier attachment. both versions offer the same
outstanding performance.
Features
* Low-profile, surface-mount package:
XE0092: 1.20” by 1.00” by 0.30”
XE0092LCC: 1.20” by 1.00” by 0.15”
* Meets line interface requirements for reliable V.90
and V.92 communications;
* Typical Second Harmonic Distortion of -80 dB;
* Part 68 Compliant;
* Integrated 2-to-4 wire converter provides 40 dB
Transhybrid Loss
* Supports detection of incoming Caller ID signals;
* Integrated Ring Detection,
* Low power operation: Just 10 millamps from a single
+ 3.3 Volt Power Supply;
* Solid-State Hook switch Control;
XE0092 BLOCK DIAGRAM
/OH
TX-
TX+
RX-
RX+
/CID
/RI
2-to-4
Wire
Con-
vertor
Network
Isolation
Loop
Current
Holding
Circuit
Hook -Switch
Line
Monitor
Tip
Ring
XECOM (1) XE0092
1 page  
XE0092 Pin Configuration
VCC
TX-
TX+
/OH
/RI
/CID
RX-
RX+
GND
1
2
3
4
5
6
7
8
9
11 TIP
10 RING
XE0092 Pin Descriptions
Pin Name
1 VCC
2 TX-
3 TX+
4 /OH
5 /RI
6 /CID
7 RX-
Description
+3.3 or 5 Volt power source for the XE0092. VCC powers the /RI and /OH control lines.
TX- is the negative half of the differential transmit data input to the XE0092 from the host system. If the host
system uses a single ended transmit data output, that output should be connected to TX- and TX+ should be
grounded.
TX+ is the positive half of the differential transmit data input to the XE0092 from the host system. If the host
system uses a single ended transmit data output, that output should be connected to TX- and TX+ should be
grounded.
Switch-hook control to the modem. /OH is an active low input. Activating OH closes the switch-hook causing
the XE0092 to seize the local telephone line. The telephone line connection is dropped when OH is
deactivated.
The host can pulse OH to simulate rotary dialing. The pulse rate in the US is ten pulses per second. Each digit
is dialed as a series of pulses created by closure of the hook-switch, one pulse for the digit one to ten pulses for
the digit zero. The pulses must be asymmetrical so that the hook-switch is closed for thirty-one milliseconds
and open for sixty-nine milliseconds. An inter-digit delay of at least one hundred milliseconds is required.
Ring Indicate output from the module. /RI is active low. RI goes low for the duration of each incoming ring,
returning high between rings. The XE0092 recognizes ring voltages of twenty-eight to one hundred fifty volts
RMS in the frequency range of sixteen to sixty-eight Hertz.
/CID is an active low input to the XE0092. The host drives /CID low after the first ring to permit the Caller ID
signal to be presented on the RX outputs. The telephone network normally sends Caller ID information on
incoming calls between the first and second ring.
RX- is the negative half of the differential received data output from the XE0092. If the host system uses a
single ended received data input, that input should be connected to RX+ and RX- should remain open.
XECOM (5) XE0092
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 applica-
tions, such as military, medical life-support or life-sustaining equipment, are specifically not recommended without
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 instructions pro-
vided 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 © 2004
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 specifications
and/or prices without notice. Product mentioned herein are used for identification purposes only and may be trade-
marks and/or registered trademarks of their respective companies.
XECOM
(11)
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
XE0092
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