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See Technical Specifications

SN65HVD50D

High Output Full-Duplex RS 485 Drivers and Receivers

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

SN65HVD50D
Datasheet:

SN65HVD50D Datasheet (PDF)
Type:

Transceiver
Protocol:

RS422, RS485
Number of Drivers/Receivers:

1/1
Duplex:

Full
EDA/CAD Models:

Request Free CAD Models for SN65HVD50D

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SN65HVD50D General Description

The SN65HVD5X devices are 3-state differential line drivers and differential-input line receivers that operate with a 5-V power supply. Each driver and receiver has separate input and output pins for full-duplex bus communication designs. They are designed for balanced transmission lines and interoperation with ANSI TIA/EIA-485A, TIA/EIA-422-B, ITU-T v.11 and ISO 8482:1993 standard-compliant devices.

The SN65HVD50, SN65HVD51, and SN65HVD52 are fully enabled with no external enabling pins.

The SN65HVD53, SN65HVD54, and SN65HVD55 have active-high driver enables and active-low receiver enables. A low, less than 1 µA, standby current is achieved by disabling both the driver and receiver.

All devices are characterized for operation from –40°C to 85°C.

The high output feature of the SN65HVD5x provides more noise margin than the typical RS-485 drivers. The extra noise margin makes applications in long cable and harsh noise environments possible.

Key Features

1/8 Unit-load option available (up to 256 nodes on the bus)
Bus-pin ESD protection exceeds 15 kV HBM
Optional driver output transition times for signaling rates⁽¹⁾ of 1 Mbps, 5 Mbps and 25 Mbps
Low-current standby mode < 1 µA
Glitch-free power-up and power-down bus I/Os
Bus idle, open, and short circuit failsafe
Designed for RS-422 and RS485 networks
3.3-V Devices available, SN65HVD30-35 ⁽¹⁾

⁽¹⁾The signaling rate of a line is the number of voltage transitions that are made per second expressed in the units bps (bits per second).

Specifications

Category	Integrated Circuits (ICs)InterfaceDrivers, Receivers, Transceivers	Series	-
Type	Transceiver	Protocol	RS422, RS485
Number of Drivers/Receivers	1/1	Duplex	Full
Receiver Hysteresis	50 mV	Data Rate	25Mbps
Voltage - Supply	4.5V ~ 5.5V	Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount	Base Product Number	65HVD50
Number of receivers	1	Number of transmitters	1
Supply voltage (nom) (V)	5	Signaling rate (max) (MBits)	25
Fault protection (V)	-9 to 14	Common-mode range (V)	-7 to 12
Number of nodes	64	Isolated	No
Supply current (max) (µA)	2700	Rating	Catalog
Operating temperature range (°C)	-40 to 85	feature-function	Line Transceiver
feature-data-rate	25Mbps(Max)	feature-transmitter-communication-type	RS-485\|RS-422
feature-receiver-communication-type	RS-422\|RS-485	feature-number-of-transceivers	1
feature-number-of-transmitters	1	feature-number-of-receivers	1
feature-transmitter-signal-type	Differential	feature-receiver-signal-type	Differential
feature-number-of-drivers-per-line	1	feature-number-of-receivers-per-line	1
feature-driving-mode	3-State	feature-power-supply-type	Single
feature-minimum-single-supply-voltage-v	4.5	feature-maximum-single-supply-voltage-v	5.5
feature-minimum-dual-supply-voltage-v		feature-maximum-dual-supply-voltage-v
feature-maximum-supply-current-ma	2.7	feature-packaging	Tube
feature-rad-hard		feature-pin-count	8
feature-cecc-qualified	No	feature-esd-protection	Yes
feature-escc-qualified		feature-military	No
feature-aec-qualified	No	feature-aec-qualified-number
feature-auto-motive	No	feature-p-pap	No
feature-eccn-code	EAR99	feature-svhc	Yes
feature-svhc-exceeds-threshold	No