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Vedi Specifiche Tecniche

SN751177N +BOM

Dual Differential Driver/Receiver Pairs

Produttore:

Texas Instruments, Inc
ProduttorePart #:

SN751177N
Scheda dati:

SN751177N Scheda dati (PDF)
Type:

Transceiver
Protocol:

RS422, RS485
Number Of Drivers/Receivers:

2/2
Duplex:

Full
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per SN751177N

SN751177N Descrizione generale

The SN751177 and SN751178 dual differential drivers and receivers are monolithic integrated circuits that are designed for balanced multipoint bus transmission at rates up to 10 Mbit/s. They are designed to improve the performance of full-duplex data communications over long bus lines and meet ANSI Standards TIA/EIA-422-B and TIA/EIA-485-A and ITU Recommendations V.10 and V.11.

The SN751177 and SN751178 driver outputs provide limiting for both positive and negative currents and thermal-shutdown protection from line-fault conditions on the transmission bus line.

The receiver features high input impedance of at least 12k , an input sensitivity of ±200 mV over a common-mode input voltage range of -12 V to 12 V, and typical input hysteresis of 50 mV. Fail-safe design ensures that if the receiver inputs are open, the receiver outputs always will be high.

The SN751177 and SN751178 are characterized for operation from -20°C to 85°C.

Caratteristiche principali

Meet or Exceed the Requirements of ANSI Standards TIA/EIA-422-B and TIA/EIA-485-A and ITU Recommendations V.10 and V.11
Designed for Multipoint Bus Transmission on Long Bus Lines in Noise Environments
Driver Positive- and Negative-Current Limiting
Thermal Shutdown Protection
Driver 3-State Outputs
Receiver Common-Mode Input Voltage Range of -12 V to 12 V
Receiver Input Sensitivity.±200 mV
Receiver Hysteresis.50 mV Typ
Receiver Input Impedance.12k Min
Receiver 3-State Outputs (SN751177 Only)
Operate From Single 5-V Supply

Applicazione

Digital data transmission over long distances
High-speed digital data communication systems
Differential line drivers in telecommunications equipment
Industrial control systems
Instrumentation

Equivalent parts number for SN751177N

DS26C31TN/NOPB

DS26C31TM/NOPB

Specifiche

Category	Integrated Circuits (ICs)InterfaceDrivers, Receivers, Transceivers	Series	-
Type	Transceiver	Protocol	RS422, RS485
Number of Drivers/Receivers	2/2	Duplex	Full
Receiver Hysteresis	50 mV	Data Rate	-
Voltage - Supply	4.5V ~ 5.5V	Operating Temperature	-20°C ~ 85°C
Mounting Type	Through Hole	Base Product Number	SN751177

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