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SN75ALS1178NSR The Texas Instruments SN75ALS1178NSR is a dual differential transceiver designed for multipoint bus transmission. It supports RS422 and RS485 protocols with a signaling rate of up to 10 Mbps.
Mfr Part #:

SN75ALS1178NSR

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments SN75ALS1178NSR is a dual differential transceiver designed for multipoint bus transmission. It supports RS422 and RS485 protocols with a signaling rate of up to 10 Mbps.
✓ Total Stock: 12,368 pcs
$ Price Range: $3.63

SN75ALS1178NSR Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Xingangxin ✓
Non-Authorised Inventory information
7,386 pcs
On Request
7386 pcs On Request 1 On Request On Request On Request On Request On Request
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
4,700 pcs
On Request
4700 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
282 pcs
On Request
282 pcs On Request 1 On Request On Request 02+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

SN75ALS1178NSR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Duplex
Fault Protection
Mounting Type
Number of Drivers
Operating Temperature
Protocol
Receiver Hysteresis
Supplier Device Package
Supply Current
Type
Voltage
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SN75ALS1178NSR Description

Short technical summary and product information.

The SN75ALS1178NSR from Texas Instruments is a dual differential transceiver IC designed for robust bidirectional data communication on multipoint bus transmission lines. It meets TIA/EIA-422-B and TIA/EIA-485-A standards, making it suitable for long bus lines in noisy environments.

 

This transceiver features 2 drivers and 2 receivers, operating in full duplex mode with a maximum signaling rate of 10 Mbps. It supports RS422 and RS485 protocols. The device operates from a single 5V supply and has a low supply current requirement of 50mA maximum.

 

Key electrical characteristics include a fault protection range of -10V to 15V, a common-mode range of -7V to 12V for the drivers, and -12V to 12V for the receivers. Receiver input sensitivity is ±200mV with typical 50mV hysteresis, and high input impedance of 12kΩ minimum.

 

The SN75ALS1178NSR is available in a 16-SOIC package and is designed for surface mounting. It operates within a temperature range of 0°C to 70°C.

SN75ALS1178NSR Quick Information

Product Type: Transceiver
Canonical Name: SN75ALS1178 Dual Differential Transceiver
Subcategory: RS-485 & RS-422 Transceivers

SN75ALS1178NSR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SN75ALS1178NSR Estimated Pricing

Qty Low High
1+ $3.63 $3.63

Estimated market price range - modelled values for guidance only, not live distributor offers.

SN75ALS1178NSR Features

  • Dual differential transceiver IC
  • Supports RS422 and RS485 protocols
  • Full duplex operation up to 10 Mbps
  • Wide common-mode voltage range
  • 16-SOIC surface mount package

SN75ALS1178NSR Applications

  • Industrial communication systems
  • RS485 data bus networks
  • RS422 point-to-point communication
  • Building automation systems

SN75ALS1178NSR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the SN75ALS1178NSR?

The SN75ALS1178NSR operates from 4.75V to 5.25V.

What package type is the SN75ALS1178NSR available in?

The SN75ALS1178NSR is available in a 16-SOIC (0.209", 5.30mm Width) package.

What is the operating temperature range for the SN75ALS1178NSR?

The operating temperature range for the SN75ALS1178NSR is 0°C to 70°C.

Does the SN75ALS1178NSR support RS485 protocol?

Yes, the SN75ALS1178NSR supports RS422 and RS485 protocols.

What is the maximum signaling rate of the SN75ALS1178NSR?

The maximum signaling rate for the SN75ALS1178NSR is 10 Mbps.

How many drivers and receivers does the SN75ALS1178NSR have?

The SN75ALS1178NSR has 2 drivers and 2 receivers.

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