LTC4304IMS#PBF

Product Overview

Category

LTC4304IMS#PBF belongs to the category of I2C bus buffers and repeaters.

Use

It is primarily used for buffering and repeating I2C signals in various electronic systems.

Characteristics

• Provides bidirectional buffering and level shifting for I2C bus signals.
• Supports standard-mode (100kHz) and fast-mode (400kHz) I2C protocols.
• Features high noise immunity and low power consumption.
• Offers hot-swappable capability for I2C buses.
• Compatible with both 3.3V and 5V supply voltages.

Package

LTC4304IMS#PBF is available in a miniature MSOP-10 package.

Essence

The essence of LTC4304IMS#PBF lies in its ability to ensure reliable communication between multiple I2C devices by buffering and repeating the signals while maintaining signal integrity.

Packaging/Quantity

This product is typically sold in reels containing 2500 units.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to 85°C
• Maximum Bus Speed: 400kHz
• Quiescent Current: 1.5mA (typical)
• Rise/Fall Time: 20ns (maximum)

Detailed Pin Configuration

```

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| | --| A1 VCC |-- --| A0 SDA1 |-- --| EN SDA2 |-- --| GND SCL1 |-- --| SCL2 SCL2 |-- --| OE NC |-- --| B2 B1 |-- |_______________| ```

Functional Features

• Bidirectional buffering of I2C bus signals.
• Level shifting between different supply voltages.
• Automatic bus disconnect and reconnection during bus fault conditions.
• Supports hot-swapping of I2C devices without disruption.
• Provides high noise immunity for reliable communication.

Advantages

• Ensures reliable data transmission in complex I2C systems.
• Compatible with a wide range of supply voltages.
• Compact package size allows for space-efficient designs.
• Low power consumption extends battery life in portable devices.
• Hot-swappable capability simplifies system maintenance.

Disadvantages

• Limited to standard-mode and fast-mode I2C protocols.
• Not suitable for applications requiring higher bus speeds.
• May introduce additional propagation delay in the I2C bus.

Working Principles

LTC4304IMS#PBF operates by buffering and level shifting the I2C signals between multiple devices. It monitors the bus for any faults or conflicts and automatically disconnects and reconnects the affected devices to ensure uninterrupted communication. The device also provides protection against voltage mismatches and noise, ensuring reliable data transmission.

Detailed Application Field Plans

LTC4304IMS#PBF finds applications in various electronic systems where multiple I2C devices need to communicate with each other. Some common application fields include:

1. Industrial automation systems
2. Automotive electronics
3. Consumer electronics
4. Medical devices
5. Communication equipment

Detailed and Complete Alternative Models

1. PCA9515A: Similar I2C bus buffer and level shifter with higher bus speed support.
2. TCA4311A: I2C bus buffer with integrated level translator and hot-swap capability.
3. P82B715: I2C bus extender with active pull-up and level shifting features.

These alternative models offer similar functionality to LTC4304IMS#PBF and can be considered based on specific requirements and design constraints.

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