TCA9803DGKT

Product Overview

Category

TCA9803DGKT belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for level shifting and translating signals between different voltage domains in electronic circuits.

Characteristics

• Voltage level shifting capability
• High-speed signal translation
• Low power consumption
• Small form factor
• Wide operating temperature range

Package

TCA9803DGKT is available in a compact surface-mount package, known as VSSOP-8.

Essence

The essence of TCA9803DGKT lies in its ability to facilitate seamless communication between devices operating at different voltage levels.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of TCA9803DGKT ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply Voltage: 1.65V to 5.5V
• Logic Voltage Levels: 1.2V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Input/Output Channels: 8
• Maximum Data Rate: 100 Mbps

Detailed Pin Configuration

TCA9803DGKT features the following pin configuration:

1. VCCA: Power supply for side A logic.
2. VCCB: Power supply for side B logic.
3. GND: Ground reference.
4. OE: Output enable control.
5. A1-A3: Address inputs for device configuration.
6. SDA: Serial data input/output.
7. SCL: Serial clock input.
8. VREF: Reference voltage for level shifting.

Functional Features

• Bidirectional voltage level shifting.
• Automatic direction sensing.
• Built-in pull-up resistors for I2C bus compatibility.
• Supports I2C Fast Mode and Standard Mode.
• Low standby current consumption.

Advantages and Disadvantages

Advantages

• Enables seamless communication between devices with different voltage levels.
• Compact form factor allows for space-efficient integration into electronic circuits.
• Wide operating temperature range makes it suitable for various environments.
• Low power consumption helps in energy-efficient designs.

Disadvantages

• Limited number of input/output channels (8).
• May not be suitable for applications requiring higher data rates.

Working Principles

TCA9803DGKT utilizes level shifting techniques to translate signals between different voltage domains. It automatically detects the direction of data flow and adjusts the voltage levels accordingly. The built-in pull-up resistors ensure compatibility with I2C bus standards.

Detailed Application Field Plans

TCA9803DGKT finds applications in various fields, including but not limited to:

1. IoT devices: Facilitating communication between sensors and microcontrollers operating at different voltage levels.
2. Consumer electronics: Enabling interconnection between components with varying voltage requirements.
3. Industrial automation: Integrating devices from different manufacturers with different voltage specifications.
4. Automotive electronics: Level shifting signals between different subsystems within a vehicle.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to TCA9803DGKT are:

1. TXB0108: 8-bit bidirectional voltage-level translator with automatic direction sensing.
2. PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator.
3. SN74LVC8T245: 8-bit dual-supply bus transceiver with configurable voltage translation.

These alternative models provide comparable features and can be considered based on specific application requirements.

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