LT4250LIS8#PBF

Product Overview

Category

The LT4250LIS8#PBF belongs to the category of integrated circuits (ICs).

Use

This IC is primarily used for power management applications.

Characteristics

• The LT4250LIS8#PBF is a low-power, high-voltage isolated RS485/RS422 transceiver.
• It operates over a wide temperature range and is suitable for industrial applications.
• The IC provides robust communication in noisy environments.
• It offers excellent ESD protection and fault tolerance.

Package

The LT4250LIS8#PBF comes in an 8-lead small outline package (SOP).

Essence

The essence of this product lies in its ability to provide reliable and isolated communication in power management systems.

Packaging/Quantity

The LT4250LIS8#PBF is typically packaged in reels or tubes. The quantity per package varies depending on the supplier.

Specifications

• Supply Voltage: 3V to 5.5V
• Isolation Voltage: 2.5kV
• Data Rate: Up to 20Mbps
• Operating Temperature Range: -40°C to 85°C
• Number of Channels: 1

Detailed Pin Configuration

The LT4250LIS8#PBF has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground
3. RO: Receiver output
4. RE: Receiver enable
5. DE: Driver enable
6. DI: Driver input
7. D+: Positive data line
8. D-: Negative data line

Functional Features

• Isolated RS485/RS422 transceiver
• Integrated transformer driver
• High common-mode transient immunity
• Low quiescent current
• Thermal shutdown protection
• Short-circuit and fail-safe receiver outputs

Advantages and Disadvantages

Advantages

• Provides reliable communication in noisy environments
• Offers high voltage isolation for enhanced safety
• Low power consumption
• Integrated transformer driver simplifies circuit design

Disadvantages

• Limited to a single channel
• Higher cost compared to non-isolated transceivers

Working Principles

The LT4250LIS8#PBF utilizes an integrated transformer driver to provide galvanic isolation between the data lines. It employs differential signaling to achieve robust communication in the presence of noise and interference. The IC incorporates various protection features, such as thermal shutdown and short-circuit protection, to ensure safe and reliable operation.

Detailed Application Field Plans

The LT4250LIS8#PBF finds applications in various fields, including:

1. Industrial automation systems
2. Process control equipment
3. Power distribution systems
4. Renewable energy systems
5. Automotive electronics

Detailed and Complete Alternative Models

1. MAX14850
2. SN65HVD485E
3. ADM2485
4. ISO35T
5. LTC2875

These alternative models offer similar functionality and can be considered as alternatives to the LT4250LIS8#PBF.

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