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Name: SN65176BDR
Brand: Texas Instruments
SKU: SN65176BDR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments SN65176BDR

Part No.:: SN65176BDR

Manufacturer:: Texas Instruments

Package:: 8-SOIC (0.154, 3.90mm Width)

Datasheet:: SN65176BDR.pdf

Description:: IC TRANSCEIVER HALF 1/1 8SOIC

In Stock:: 2026

Quantity:: Add To Cart

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SN65176BDR Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Type:
Transceiver
Protocol:
RS422, RS485
NumberofDrivers/Receivers:
1/1
Duplex:
Half
ReceiverHysteresis:
50 mV
DataRate:
-
Voltage-Supply:
4.75V ~ 5.25V
OperatingTemperature:
-40°C ~ 105°C
MountingType:
Surface Mount

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SN65176BDR information

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SN65176BDR Typical application Circuitry

SN65176BDR

The SN65176BDR is a differential bus transceiver chip designed for bidirectional data communication on multipoint bus transmission lines, particularly in noisy environments. It is well-suited for balanced transmission lines and complies with ANSI standards TIA/EIA-422-B and TIA/EIA-485-A, as well as ITU Recommendations V.11 and X.27. This chip is part of the SN65176B series, which features bidirectional transceivers, designed for long bus lines and noisy environments.

Key Features:

- Bidirectional Transceivers: Capable of both sending and receiving data, making them versatile for various communication needs.

- Compliance with Standards: Meets or exceeds requirements of ANSI TIA/EIA-422-B and TIA/EIA-485-A standards.

- Multipoint Transmission Design: Ideal for long-distance communication on bus lines.

- 3-State Driver and Receiver Outputs: Offers flexibility in controlling the state of the outputs.

- Individual Driver and Receiver Enables: Allows independent control of both driver and receiver.

- Voltage Ranges: Supports wide positive and negative input/output bus voltage ranges.

- Output Capability: Can handle ± 60-mA maximum driver output.

- Thermal Shutdown Protection: Ensures safety and longevity of the chip.

- Driver Current Limiting: Provides positive and negative current limiting for the driver.

- Receiver Input Impedance: Features a minimum of 12-kΩ.

- Receiver Input Sensitivity: ± 200-mV with 50-mV typical hysteresis.

- Power Supply: Operates from a single 5-V supply.

Application Scenario:

Let's consider an application scenario in an industrial environment, where this chip is used for RS-485 communication in a long-distance, multipoint bus system.

Circuit Connection Details:

1. Power Supply Connection: Connect the VCC pin to a 5-V power supply.

2. Grounding: Ensure the ground pin is properly connected to the system ground.

3. Data Transmission: Connect the data transmission (Tx) pin of the microcontroller to the driver input pin of the SN65176BDR.

4. Data Reception: Connect the data reception (Rx) pin of the microcontroller to the receiver output pin of the SN65176BDR.

5. Enabling the Driver: Use an active-high signal to enable the driver.

6. Enabling the Receiver: Use an active-low signal to enable the receiver.

7. Direction Control: Externally connect the driver and receiver enables to function as direction control.

8. Bus Connection: Connect the differential output pins of the driver and the differential input pins of the receiver to the RS-485 bus lines.

Design Considerations:

- Impedance Matching: Ensure proper impedance matching for the transmission lines to minimize signal reflections.

- Power Supply Stability: Maintain a stable 5-V power supply to ensure consistent performance.

- Thermal Management: Consider the thermal environment to prevent overheating and engage thermal shutdown protection.

- Noise Immunity: In noisy environments, ensure proper shielding and grounding to maintain signal integrity.

- Current Limiting: Be mindful of the maximum driver output capability to avoid overloading the chip.

This detailed connection and design considerations should guide the application of the SN65176BDR in an RS-485 communication scenario, ensuring efficient and reliable data transmission in industrial settings.

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of SN65176BDR.

(3)The PartNo is unused and only in the original unpacked packaging.

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