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SN75176A_07 PDF预览

SN75176A_07

更新时间: 2024-02-10 20:20:34
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德州仪器 - TI 总线收发器
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19页 466K
描述
DIFFERENTIAL BUS TRANSCEIVER

SN75176A_07 数据手册

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SN75176A  
DIFFERENTIAL BUS TRANSCEIVER  
SLLS100A – JUNE 1984 – REVISED MAY 1995  
D OR P PACKAGE  
(TOP VIEW)  
Bidirectional Transceiver  
Meets or Exceeds the Requirements of  
ANSI Standards EIA/TIA-422-B and ITU  
Recommendation V.11  
R
RE  
DE  
D
V
B
A
1
2
3
4
8
7
6
5
CC  
Designed for Multipoint Transmission on  
Long Bus Lines in Noisy Environments  
GND  
3-State Driver and Receiver Outputs  
Individual Driver and Receiver Enables  
Wide Positive and Negative Input/Output  
Bus Voltage Ranges  
Driver Output Capability . . . ±60 mA Max  
Thermal-Shutdown Protection  
Driver Positive- and Negative-Current  
Limiting  
Receiver Input Impedance . . . 12 kMin  
Receiver Input Sensitivity . . . ±200 mV  
Receiver Input Hysteresis . . . 50 mV Typ  
Operates From Single 5-V Supply  
Low Power Requirements  
description  
The SN75176A differential bus transceiver is a monolithic integrated circuit designed for bidirectional data  
communication on multipoint bus-transmission lines. It is designed for balanced transmission lines and meets  
ANSI Standard EIA/TIA-422-B and ITU Recommendation V.11.  
The SN75176A combines a 3-state differential line driver and a differential input line receiver, both of which  
operate from a single 5-V power supply. The driver and receiver have active-high and active-low enables,  
respectively, that can be externally connected together to function as a direction control. The driver differential  
outputs and the receiver differential inputs are connected internally to form differential input/output (I/O) bus  
ports that are designed to offer minimum loading to the bus whenever the driver is disabled or V  
= 0. These  
CC  
ports feature wide positive and negative common-mode voltage ranges making the device suitable for party-line  
applications.  
The driver is designed to handle loads up to 60 mA of sink or source current. The driver features positive- and  
negative-current limiting and thermal shutdown for protection from line fault conditions. Thermal shutdown is  
designed to occur at a junction temperature of approximately 150°C. The receiver features a minimum input  
impedance of 12 k, an input sensitivity of ±200 mV, and a typical input hysteresis of 50 mV.  
The SN75176A can be used in transmission-line applications employing the SN75172 and SN75174 quadruple  
differential line drivers and SN75173 and SN75175 quadruple differential line receivers.  
The SN75176A is characterized for operation from 0°C to 70°C.  
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.  
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.  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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