XE0052S ETC1 [List of Unclassifed Manufacturers], XE0052S Datasheet - Page 4

• Manufacturer Part Number: XE0052S
• Description: Slim V.34 Telephone Line Interface with 2/4 Wire Hybrid
• Manufacturer: ETC1 [List of Unclassifed Manufacturers]

XE0052 Pin Descriptions
XE0052 Absolute Maximum Ratings
Pin
XECOM
1
2
3
4
5
6
7
8
Name
GND
VCC
Ring
Tip
OH
RX
TX
/RI
Storage Temperature
Operating Temperature Range
Maximum Lead Temperature
(soldering 2 seconds per wave)
I/O
---
---
---
O
--
O
I
I
Ring connection to the phone line (RJ11 Pin 4). The Ring pin has 1500 volts isolation
Tip Connection to the phone line (RJ11 Pin 3). The Tip pin has 1500 volts isolation
Hookswitch relay control. A high on OH closes the internal relay and connects the
TX provides the analog input signal to the 2-4 wire convertor of the XE0052S. TX
Ground
+5 Volts supply power
RX provides the analog output signal from the 2-4 wire converter of the XE0052S. RX
Ring Indicate, output, active low, TTL. On the XE0052S a low on /RI indicates the
Description
from the rest of the circuitry. This isolation must be preserved throughout the system.
from the rest of the circuitry. This isolation must be preserved throughout the system.
equipment to the telephone line.
uses a 2.5 volt reference signal and therefore must be capacitively coupled to the host
equipment.
uses a 2.5 volt reference signal and therefore must be capacitively coupled to the host
equipment.
modem is receiving a ring signal. The XE0052T provides a pulse string at twice the
ring frequency when a ring is detected.
(4)
260
-25
0
O
C to +70
O
O
C to +85
C
O
C
O
C
XE0052