AD7228CQ

Product Overview

Category

AD7228CQ belongs to the category of digital-to-analog converters (DACs).

Use

The AD7228CQ is used to convert digital signals into analog voltages. It finds applications in various electronic systems where precise analog outputs are required.

Characteristics

• High resolution: The AD7228CQ provides 8-bit resolution, allowing for fine-grained control over the analog output.
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.
• Fast settling time: The converter quickly settles to the desired output voltage, minimizing delays in the system.
• Wide operating temperature range: The AD7228CQ can operate reliably across a wide temperature range, making it suitable for various environments.

Package

The AD7228CQ comes in a compact and durable package, ensuring easy integration into electronic systems. It is available in a 20-pin ceramic quad flat pack (CQFP) package.

Essence

The essence of the AD7228CQ lies in its ability to accurately convert digital signals into corresponding analog voltages, enabling precise control over analog outputs.

Packaging/Quantity

The AD7228CQ is typically packaged in reels or tubes, with a quantity of 25 units per reel/tube.

Specifications

• Resolution: 8 bits
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Output Voltage Range: 0V to Vref
• Conversion Time: 10µs (typical)
• Power Consumption: 10mW (typical)

Detailed Pin Configuration

The AD7228CQ has a total of 20 pins. The pin configuration is 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
10. REF OUT
11. DGND
12. DB0
13. DB1
14. DB2
15. DB3
16. DB4
17. DB5
18. DB6
19. DB7
20. VDD

Functional Features

• High accuracy: The AD7228CQ ensures accurate conversion of digital signals to analog voltages, providing precise control over the output.
• Multiple outputs: It offers eight analog output channels, allowing for versatile applications.
• Serial interface: The converter supports a serial interface, enabling easy integration with microcontrollers and other digital systems.
• Power-down mode: The AD7228CQ includes a power-down mode, reducing power consumption when not in use.

Advantages and Disadvantages

Advantages

• High resolution enables fine-grained control over analog outputs.
• Low power consumption makes it suitable for battery-powered devices.
• Fast settling time minimizes delays in the system.
• Wide operating temperature range allows for reliable operation in various environments.

Disadvantages

• Limited resolution compared to higher-end DACs.
• May require additional external components for certain applications.

Working Principles

The AD7228CQ operates by converting digital input signals into corresponding analog voltages using an internal digital-to-analog conversion algorithm. The converted analog voltages are then available at the output channels for further processing or utilization.

Detailed Application Field Plans

The AD7228CQ finds applications in various fields, including: 1. Industrial automation: Precise analog control in industrial processes. 2. Audio equipment: Generation of analog audio signals with high accuracy. 3. Instrumentation: Calibration and control of measurement instruments. 4. Robotics: Accurate control of robotic systems. 5. Automotive: Analog control in automotive systems.

Detailed and Complete Alternative Models

1. AD7228ABRZ: Similar to AD7228CQ, but available in a smaller 24-pin SSOP package.
2. AD5628ACPZ: A higher-resolution DAC with 12-bit resolution.
3. AD7304BRUZ: A quad-channel DAC with similar characteristics but different pin configuration.

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