SN75LBC187DBR

Product Overview

Category

SN75LBC187DBR belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a differential bus transceiver.

Characteristics

• Supports bidirectional data transfer
• Provides high-speed signaling
• Offers low power consumption
• Operates in a wide temperature range

Package

SN75LBC187DBR is available in a small-outline package (SOIC) with 8 pins.

Essence

The essence of SN75LBC187DBR lies in its ability to facilitate reliable and efficient communication between devices through a differential bus.

Packaging/Quantity

SN75LBC187DBR is typically sold in reels, with each reel containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer or supplier.

Specifications

• Supply voltage: 4.5V to 5.5V
• Data rate: Up to 20 Mbps
• Operating temperature range: -40°C to +85°C
• Input/output voltage range: -7V to +12V
• Low-level output voltage: 0.4V
• High-level output voltage: 2.4V

Detailed Pin Configuration

1. A/B: Differential bus input/output A
2. B/A: Differential bus input/output B
3. GND: Ground
4. VCC: Supply voltage
5. DE: Driver enable input
6. RE: Receiver enable input
7. RO: Receiver output
8. DI: Driver input

Functional Features

• Bidirectional data transmission
• Built-in driver and receiver circuitry
• Enable inputs for controlling transmission direction
• Receiver output for data reception
• Driver input for data transmission

Advantages

• Supports reliable communication over long distances
• Low power consumption
• Wide operating temperature range
• Compact package size

Disadvantages

• Limited data rate compared to some other transceiver ICs
• Requires external components for proper operation

Working Principles

SN75LBC187DBR operates based on the principles of differential signaling. It uses a balanced transmission line to transmit data, which helps in reducing noise and improving signal integrity. The driver circuitry converts the logic-level input into a differential signal, while the receiver circuitry converts the received differential signal back into a logic-level output.

Detailed Application Field Plans

SN75LBC187DBR finds applications in various fields, including:

1. Industrial automation: Used for communication between PLCs (Programmable Logic Controllers) and sensors/actuators.
2. Automotive electronics: Enables reliable data transfer between different modules in vehicles, such as engine control units, airbag systems, and infotainment systems.
3. Telecommunications: Facilitates communication between network equipment, such as routers and switches.
4. Medical devices: Allows for data exchange between medical instruments and control systems.

Detailed and Complete Alternative Models

1. MAX485: Similar differential bus transceiver with higher data rate capability.
2. SN65HVD178x: Differential transceiver series with enhanced ESD protection.
3. LTC2875: High-speed differential transceiver with advanced features like hot-swapping and fail-safe biasing.

Please note that the above list is not exhaustive, and there are several other alternative models available in the market.

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