TCA9800DGKT

Product Overview

Category

TCA9800DGKT belongs to the category of integrated circuits (ICs).

Use

This IC is primarily used for level shifting and voltage translation applications.

Characteristics

• TCA9800DGKT is a high-speed, bidirectional voltage-level translator.
• It operates with a supply voltage range of 1.2V to 3.6V.
• The device supports both open-drain and push-pull output configurations.
• It has a low ON-state resistance and minimal propagation delay.
• TCA9800DGKT is compatible with I2C, SMBus, and other similar protocols.

Package

The TCA9800DGKT IC is available in a small form factor package known as VSSOP-8.

Essence

The essence of TCA9800DGKT lies in its ability to provide seamless voltage translation between different logic levels, enabling communication between devices operating at different voltage levels.

Packaging/Quantity

The TCA9800DGKT IC is typically sold in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Input High Voltage (VIH): 0.7 x VDD
• Input Low Voltage (VIL): 0.3 x VDD
• Output High Voltage (VOH): 0.7 x VDD
• Output Low Voltage (VOL): 0.3 x VDD
• Maximum Data Rate: 400 kHz

Detailed Pin Configuration

The TCA9800DGKT IC has the following pin configuration:

___________ | | 1 | | 8 |___________|

Pin Description: 1. SDA: Serial Data Input/Output 2. VREF: Reference Voltage 3. GND: Ground 4. OE: Output Enable 5. A0: Address Input 6. A1: Address Input 7. VDD: Supply Voltage 8. SCL: Serial Clock Input

Functional Features

• Bidirectional voltage-level translation between different logic levels.
• Support for open-drain and push-pull output configurations.
• Automatic direction sensing eliminates the need for additional control signals.
• Low ON-state resistance minimizes signal distortion.
• Fast switching speed ensures efficient data transfer.
• Compatible with various communication protocols, including I2C and SMBus.

Advantages and Disadvantages

Advantages

• Seamless voltage translation between different logic levels.
• Wide supply voltage range allows compatibility with a variety of devices.
• Small form factor package enables space-saving integration.
• High-speed operation facilitates efficient data transfer.

Disadvantages

• Limited maximum data rate (400 kHz) compared to some other ICs.
• May not be suitable for applications requiring higher voltage translation ranges.

Working Principles

The TCA9800DGKT IC utilizes a combination of level-shifting circuitry and automatic direction sensing to achieve bidirectional voltage translation. It detects the logic level of the input signal and automatically adjusts the output voltage level accordingly. This allows devices operating at different voltage levels to communicate seamlessly.

Detailed Application Field Plans

The TCA9800DGKT IC finds application in various fields, including but not limited to:

1. IoT Devices: Enabling communication between low-voltage sensors and microcontrollers operating at higher voltages.
2. Consumer Electronics: Facilitating voltage translation between different components within smartphones, tablets, and other portable devices.
3. Industrial Automation: Allowing communication between devices operating at different logic levels in industrial control systems.
4. Automotive Electronics: Supporting voltage translation between various components in automotive applications, such as infotainment systems and engine control units.

Detailed and Complete Alternative Models

1. TXB0108: Similar bidirectional voltage-level translator IC with 8 channels.
2. PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator.
3. SN74LVC4245A: Octal dual-supply translating transceiver with configurable voltage translation and 3-state outputs.

These alternative models offer similar functionality to the TCA9800DGKT and can be considered as alternatives based on specific application requirements.

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