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SN75176BDRG4

Differential bus transceiver

Manufacturer:

TI
Mfr.Part #:

SN75176BDRG4
Datasheet:

SN75176BDRG4 Datasheet (PDF)
Number of receivers:

1
Number of transmitters:

1
Duplex:

Half
Supply voltage (nom) (V):

5
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SN75176BDRG4 General Description

The SN65176B and SN75176B differential bus transceivers are designed for bidirectional data communication on multipoint bus transmission lines. They are designed for balanced transmission lines and meet ANSI Standards TIA/EIA-422-B and TIA/EIA-485-A and ITU Recommendations V.11 and X.27.

The SN65176B and SN75176B devices combine 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 connected together externally 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 when the driver is disabled or V_CC = 0. These ports feature wide positive and negative common-mode voltage ranges, making the device suitable for party-line applications.

The driver is designed for 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 kΩ, an input sensitivity of ±200 mV, and a typical input hysteresis of 50 mV.

Key Features

Bidirectional transceivers
Meet or exceed the requirements of ANSI standards TIA/EIA-422-B and TIA/EIA-485-A and ITU Recommendations V.11 and X.27
Designed for multipoint transmission on long bus lines in noisy environments
3-State driver and receiver outputs
Individual driver and receiver enables
Wide positive and negative input/output bus voltage ranges
± 60-mA Maximum driver output capability
Thermal shutdown protection
Driver positive and negative current limiting
12-kΩ Minimum Receiver Input Impedance
± 200-mV Receiver input sensitivity
50-mV Typical receiver input hysteresis
Operate from single 5-V supply

Specifications

Number of receivers	1	Number of transmitters	1
Duplex	Half	Supply voltage (nom) (V)	5
Signaling rate (max) (MBits)	10	IEC 61000-4-2 contact (±V)	None
Fault protection (V)	-10 to 15	Common-mode range (V)	-7 to 12
Number of nodes	32	Isolated	No
Supply current (max) (µA)	70000	Rating	Catalog
Operating temperature range (°C)	0 to 70