Texas Instruments
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TCA9802DGKT
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TCA9802DGKT

Product Overview

Category

TCA9802DGKT belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

  • Voltage level shifting capability
  • Bi-directional translation
  • Low power consumption
  • High-speed operation
  • Small form factor

Package

TCA9802DGKT is available in a compact surface-mount package, known as VSSOP-8.

Essence

The essence of TCA9802DGKT 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 TCA9802DGKT ICs. The exact quantity may vary depending on the supplier.

Specifications

  • Supply Voltage: 1.65V to 5.5V
  • Logic Voltage Levels: 1.2V to 3.6V
  • Operating Temperature Range: -40°C to +85°C
  • Input/Output Capacitance: 4pF (typical)
  • Maximum Data Rate: 100 Mbps

Detailed Pin Configuration

TCA9802DGKT features the following pin configuration:

  1. OE (Output Enable)
  2. A1 (Channel Selection Bit 1)
  3. B1 (Channel Selection Bit 2)
  4. GND (Ground)
  5. B2 (Channel Selection Bit 3)
  6. A2 (Channel Selection Bit 4)
  7. VCCA (Voltage Supply for Side A)
  8. VCCB (Voltage Supply for Side B)

Functional Features

  • Bidirectional voltage level shifting
  • Automatic direction sensing
  • Channel selection for multiple voltage domains
  • Output enable/disable control

Advantages and Disadvantages

Advantages

  • Enables seamless communication between devices with different voltage levels
  • Low power consumption
  • High-speed operation
  • Small form factor allows for space-efficient designs

Disadvantages

  • Limited to a maximum data rate of 100 Mbps
  • Requires careful consideration of voltage compatibility between devices

Working Principles

TCA9802DGKT utilizes level shifting techniques to ensure proper signal translation between different voltage domains. It automatically detects the direction of data flow and adjusts the voltage levels accordingly, allowing for bi-directional communication.

Detailed Application Field Plans

TCA9802DGKT finds applications in various fields, including but not limited to: - IoT (Internet of Things) devices - Consumer electronics - Industrial automation - Automotive electronics - Communication systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to TCA9802DGKT include: - TXB0108PWR - SN74LVC8T245PW - PCA9306DCUR - FXMA2102UCX

These alternatives can be considered based on specific requirements and design constraints.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TCA9802DGKT v technických řešeních

Sure! Here are 10 common questions and answers related to the application of TCA9802DGKT in technical solutions:

  1. Q: What is TCA9802DGKT? A: TCA9802DGKT is a dual bidirectional I2C-bus buffer that supports I2C clock stretching and multiple masters.

  2. Q: What is the purpose of TCA9802DGKT? A: TCA9802DGKT is used to extend the I2C bus by buffering both the serial data (SDA) and serial clock (SCL) lines.

  3. Q: Can TCA9802DGKT be used with multiple masters on the I2C bus? A: Yes, TCA9802DGKT supports multiple masters on the I2C bus, allowing for more complex system configurations.

  4. Q: Does TCA9802DGKT support I2C clock stretching? A: Yes, TCA9802DGKT supports I2C clock stretching, which allows slave devices to slow down the clock speed if needed.

  5. Q: What is the voltage range supported by TCA9802DGKT? A: TCA9802DGKT supports a wide voltage range from 1.65V to 5.5V, making it compatible with various systems.

  6. Q: How many I2C channels does TCA9802DGKT have? A: TCA9802DGKT has two bidirectional I2C channels, allowing for communication between different devices.

  7. Q: Can TCA9802DGKT be used as a level shifter? A: Yes, TCA9802DGKT can act as a level shifter, converting logic levels between different voltage domains.

  8. Q: Is TCA9802DGKT compatible with standard I2C devices? A: Yes, TCA9802DGKT is fully compatible with standard I2C devices and can be used in existing I2C systems.

  9. Q: What is the maximum data rate supported by TCA9802DGKT? A: TCA9802DGKT supports a maximum data rate of 400 kbps, ensuring fast and reliable communication.

  10. Q: Can TCA9802DGKT be used in automotive applications? A: Yes, TCA9802DGKT is qualified for automotive applications and can withstand harsh operating conditions.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.