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ISO1176TDWR The Texas Instruments ISO1176TDWR is an isolated RS-485 and RS-422 transceiver with an integrated transformer driver. It offers a data rate of up to 40 Mbps and provides 2500Vrms of isolation.
Mfr Part #:

ISO1176TDWR

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments ISO1176TDWR is an isolated RS-485 and RS-422 transceiver with an integrated transformer driver. It offers a data rate of up to 40 Mbps and provides 2500Vrms of isolation.
✓ Total Stock: 8,706 pcs
$ Price Range: $4.90

ISO1176TDWR 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
7,450 pcs
On Request
7450 pcs On Request 1 On Request On Request On Request On Request On Request
PROSOFT ELECTRONICS ✓
Non-Authorised Inventory information
1,000 pcs
On Request
1000 pcs On Request 1 On Request On Request 22+ On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
256 pcs
On Request
256 pcs On Request 1 On Request On Request 21+ 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.

ISO1176TDWR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Channel Type
Common Mode Transient Immunity (Min)
Data Rate
Differential Output
Inputs
Isolated Power
Mounting Type
Number of Channels
Operating Temperature
Supplier Device Package
Technology
Type
Voltage
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ISO1176TDWR Description

Short technical summary and product information.

The ISO1176TDWR from Texas Instruments is a high-speed, half-duplex, isolated differential line transceiver designed for RS-485 and RS-422 communication.

 

This device features integrated oscillator outputs that supply the primary voltage for an isolation transformer, simplifying isolated power design. It operates at signaling rates up to 40 Mbps, making it suitable for demanding industrial applications. The transceiver provides robust isolation with a working isolation voltage of 400Vrms and a withstand isolation voltage of 2500Vrms for one minute, meeting UL 1577 standards. It also boasts a high Common Mode Transient Immunity (CMTI) of 25 kV/µs (typical 50 kV/µs).

 

The ISO1176TDWR is designed to break ground loops, enabling operation with a larger common-mode voltage range, ideal for long transmission lines. It features a fail-safe receiver for bus open, short, or idle conditions. The device operates within a temperature range of -40°C to 85°C.

 

Packaged in a 16-SOIC (0.295", 7.50mm Width) surface-mount package, the ISO1176TDWR meets or exceeds the requirements of EN 50170 and TIA/EIA-485-A standards. Its low bus capacitance of 10 pF (maximum) further enhances signal integrity.

ISO1176TDWR Quick Information

Product Type: Digital Isolator
Canonical Name: ISO1176T Isolated RS-485 & RS-422 Transceiver with Integrated Transformer Driver
Subcategory: RS-485/RS-422 Transceiver

ISO1176TDWR Compliance

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

ISO1176TDWR Estimated Pricing

Qty Low High
1+ $4.90 $4.90

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

ISO1176TDWR Features

  • Isolated RS-485 and RS-422 transceiver
  • 40 Mbps maximum data rate
  • 2500 Vrms isolation rating
  • Integrated transformer driver
  • Wide operating temperature range

ISO1176TDWR Applications

  • Industrial communication systems
  • Long-distance data transmission
  • Noise-sensitive environments
  • Ground loop prevention applications

ISO1176TDWR FAQs

5 frequently asked questions generated from this part’s specifications.
What is the maximum data rate for the ISO1176TDWR?

The maximum data rate for the ISO1176TDWR is 40 Mbps.

What is the isolation voltage of the ISO1176TDWR?

The ISO1176TDWR provides 2500 Vrms isolation for 1 minute per UL 1577.

What is the operating temperature range for this digital isolator?

The operating temperature range for the ISO1176TDWR is -40°C to 85°C.

What package type is the ISO1176TDWR available in?

The ISO1176TDWR is available in a 16-SOIC package.

What type of interface does the ISO1176TDWR support?

The ISO1176TDWR supports RS422 and RS485 interfaces.

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