AD7228KNZ

Product Overview

Category

AD7228KNZ belongs to the category of digital-to-analog converters (DACs).

Use

The AD7228KNZ is used to convert digital signals into analog voltages. It is commonly employed in various applications where precise analog outputs are required.

Characteristics

• High resolution: The AD7228KNZ offers a resolution of 8 bits, allowing for accurate conversion of digital data.
• Low power consumption: This DAC operates at low power levels, making it suitable for battery-powered devices.
• Fast settling time: The AD7228KNZ provides fast settling times, ensuring quick and reliable analog output updates.
• Wide voltage range: It supports a wide voltage range, enabling compatibility with different systems.
• Low glitch energy: The device minimizes glitches during transitions, resulting in smooth analog outputs.

Package

The AD7228KNZ comes in a standard 20-pin plastic DIP (Dual In-line Package) or SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of the AD7228KNZ lies in its ability to accurately convert digital signals into corresponding analog voltages, facilitating precise control and measurement in various applications.

Packaging/Quantity

The AD7228KNZ is typically packaged in tubes or trays, with quantities varying depending on the supplier.

Specifications

• Resolution: 8 bits
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Output Voltage Range: 0V to Vref (Reference Voltage)
• Digital Interface: Parallel
• Conversion Time: <10µs

Detailed Pin Configuration

The AD7228KNZ features a 20-pin configuration as follows:

1. VOUT A
2. VOUT B
3. VOUT C
4. VOUT D
5. VOUT E
6. VOUT F
7. VOUT G
8. VOUT H
9. AGND (Analog Ground)
10. VREF (Reference Voltage)
11. DGND (Digital Ground)
12. DB0 (Data Bit 0)
13. DB1 (Data Bit 1)
14. DB2 (Data Bit 2)
15. DB3 (Data Bit 3)
16. DB4 (Data Bit 4)
17. DB5 (Data Bit 5)
18. DB6 (Data Bit 6)
19. DB7 (Data Bit 7)
20. CS (Chip Select)

Functional Features

• High accuracy: The AD7228KNZ ensures accurate conversion of digital data to analog voltages, providing precise control and measurement capabilities.
• Fast update rate: With its fast settling time, the DAC allows for quick updates to the analog output, enabling real-time applications.
• Low power consumption: The device operates at low power levels, making it suitable for power-constrained systems.
• Flexible voltage range: The AD7228KNZ supports a wide output voltage range, allowing for compatibility with various systems.
• Low glitch energy: Glitches during transitions are minimized, resulting in smooth analog outputs.

Advantages and Disadvantages

Advantages

• High resolution for accurate conversion
• Low power consumption
• Fast settling time for quick updates
• Wide voltage range for compatibility
• Minimized glitches for smooth outputs

Disadvantages

• Limited resolution compared to higher-bit DACs
• Requires external reference voltage for operation

Working Principles

The AD7228KNZ operates by accepting digital input data and converting it into corresponding analog voltages. It utilizes an internal digital-to-analog conversion technique to achieve this. The converted analog voltages can then be used for various purposes such as control, measurement, or signal generation.

Detailed Application Field Plans

The AD7228KNZ finds applications in various fields, including but not limited to: - Industrial automation - Test and measurement equipment - Audio systems - Instrumentation - Communication devices

Detailed and Complete Alternative Models

Some alternative models to the AD7228KNZ include: - AD7302: 8-bit dual DAC with serial interface - AD5628: 12-bit quad DAC with parallel interface - MCP4921: 12-bit single DAC with SPI interface - MAX5216: 16-bit octal DAC with I2C interface

These alternative models offer different resolutions, interfaces, and features, providing options for specific application requirements.

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