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Product Detailed Parameters
- Description：LINE TRANSCEIVER
- Series：*
- Mfr：Texas Instruments
- Package：Bulk
- Type：-
- Applications：-
- Input：-
- Output：-
- Data Rate (Max)：-
- Number of Channels：-
- Delay Time：-
- Signal Conditioning：-
- Voltage - Supply：-
- Current - Supply：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Capacitance - Input：-
- Grade：-
- Qualification：-
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Overview
The SN75178BPS is a single-channel RS-422/RS-485 line driver manufactured by Texas Instruments. It operates within a supply voltage range of 4.75V to 5.25V and draws a supply current of 57mA. The device features a propagation delay of 19ns and supports data rates up to 10Mb/s. It is housed in an 8-SOIC package with a width of 5.30mm. The component functions as a buffer and transceiver, designed for half-duplex communication on differential bus lines.
Feature Summary
- Provides differential signaling capabilities compliant with RS-422 and RS-485 standards for reliable data transmission over long distances.
- Integrates a single high-performance line driver optimized for noise immunity in industrial environments.
- Operates reliably across standard commercial temperature ranges without requiring external biasing components.
Applications
- Industrial automation control systems requiring robust serial communication.
- Building automation networks utilizing RS-485 multi-drop configurations.
- Point-to-point or multipoint data links in instrumentation equipment.
Procurement Notes
Verify the specific suffix against official Texas Instruments documentation to confirm package type and temperature grade. Confirm end-of-life status through authorized distributors, as availability may be limited. Ensure RoHS compliance matches project requirements by checking the latest datasheet revision.
Selection Notes
Select this component when a single differential driver is required for RS-422 or RS-485 interfaces. Compare against the SN75176B if receiver functionality is also needed. Verify that the 8-SOIC footprint fits the PCB layout constraints. Check power supply stability to ensure operation within the 4.75V to 5.25V range.
Part Context
This part belongs to the SN751xx series of interface ICs from Texas Instruments. It complements receivers like the SN75176B to form complete transceiver pairs. The series is widely used in legacy and modern industrial communication protocols requiring differential signal integrity.
Replacement Considerations
SN75178BP is the non-suffix equivalent in tube packaging. SN75178DR offers the same function in SOIC-8 tape-and-reel format. SN75178NSR provides the same function in SOIC-8 tape-and-reel format.
