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SN75172 Datasheet(PDF) 1 Page - Texas Instruments

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Part No. SN75172
Description  QUADRUPLE DIFFRENTIAL LINE DRIVER
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

SN75172 Datasheet(HTML) 1 Page - Texas Instruments

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SN75172
QUADRUPLE DIFFRENTIAL LINE DRIVER
SLLS038B – OCTOBER 1980 – REVISED MAY 1995
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Meets or Exceeds the Requirements of
ANSI Standards EIA/TIA-422-B and RS-485
and ITU Recommendation V.11
D Designed for Multipoint Transmission on
Long Bus Lines in Noisy Environments
D 3-State Outputs
D Common-Mode Output Voltage Range of
– 7 V to 12 V
D Active-High and Active-Low Enables
D Thermal Shutdown Protection
D Positive- and Negative-Current Limiting
D Operates From Single 5-V Supply
D Logically Interchangeable With AM26LS31
description
The
SN75172
is
a
monolithic
quadruple
differential line driver with 3-state outputs. It is
designed to meet the requirements of ANSI
Standards EIA/TIA-422-B and RS-485 and ITU
Recommendation V.11. The device is optimized
for balanced multipoint bus transmission at rates
of up to 4 megabaud. Each driver features wide
positive and negative common-mode output
voltage ranges, making it suitable for party-line
applications in noisy environments.
The SN75172 provides positive- and negative-current limiting and thermal shutdown for protection from line
fault conditions on the transmission bus line. Shutdown occurs at a junction temperature of approximately
150
°C. This device offers optimum performance when used with the SN75173 or SN75175 quadruple
differential line receivers.
The SN75172 is characterized for operation from 0
°C to 70°C.
FUNCTION TABLE
(each driver)
INPUT
ENABLES
OUTPUTS
INPUT
A
G
G
Y
Z
H
H
X
H
L
L
H
XL
H
H
X
LH
L
L
X
LL
H
X
L
H
Z
Z
H = high level, L = low level, X = irrelevant,
Z = high impedance (off)
Copyright
© 1995, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1A
1Y
1Z
G
2Z
2Y
2A
GND
VCC
4A
4Y
4Z
G
3Z
3Y
3A
N PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
1A
1Y
NC
1Z
G
2Z
NC
2Y
2A
GND
VCC
4A
4Y
NC
4Z
G
3Z
NC
3Y
3A
DW PACKAGE
(TOP VIEW)
NC – No internal connection


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