AD7224KNZ

Product Overview

Category

AD7224KNZ belongs to the category of digital-to-analog converters (DACs).

Use

The AD7224KNZ 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 AD7224KNZ offers a resolution of 12 bits, ensuring 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 AD7224KNZ provides fast settling times, enabling quick response in dynamic applications.
• Wide temperature range: It can operate within a wide temperature range, making it suitable for both industrial and consumer applications.

Package

The AD7224KNZ comes in a standard 24-pin plastic dual inline package (PDIP), which ensures easy integration into various circuit designs.

Essence

The essence of the AD7224KNZ lies in its ability to convert digital signals into precise analog voltages, facilitating accurate control and measurement in electronic systems.

Packaging/Quantity

The AD7224KNZ is typically packaged in reels or tubes, with a quantity of 25 units per reel/tube.

Specifications

• Resolution: 12 bits
• Number of channels: 4
• Supply voltage: 5V
• Operating temperature range: -40°C to +85°C
• Output voltage range: 0V to Vref
• DNL (Differential Non-Linearity): ±1 LSB (max)
• INL (Integral Non-Linearity): ±1 LSB (max)

Detailed Pin Configuration

The AD7224KNZ has a total of 24 pins, as follows:

1. VOUTA: Analog output channel A
2. VOUTB: Analog output channel B
3. VOUTC: Analog output channel C
4. VOUTD: Analog output channel D
5. AGND: Analog ground
6. VREF: Reference voltage input
7. DGND: Digital ground
8. DB15: Data bit 15 (MSB)
9. DB14: Data bit 14
10. DB13: Data bit 13
11. DB12: Data bit 12
12. DB11: Data bit 11
13. DB10: Data bit 10
14. DB9: Data bit 9
15. DB8: Data bit 8
16. DB7: Data bit 7
17. DB6: Data bit 6
18. DB5: Data bit 5
19. DB4: Data bit 4
20. DB3: Data bit 3
21. DB2: Data bit 2
22. DB1: Data bit 1
23. DB0: Data bit 0 (LSB)
24. CS: Chip select

Functional Features

• High accuracy: The AD7224KNZ provides precise analog outputs with a resolution of 12 bits.
• Multiplexed inputs: It features multiplexed inputs, allowing multiple channels to be controlled using a single DAC.
• Serial interface: The device supports a serial interface, enabling easy integration into digital systems.
• Power-down mode: The AD7224KNZ includes a power-down mode, reducing power consumption when not in use.

Advantages and Disadvantages

Advantages

• High resolution ensures accurate analog outputs.
• Low power consumption makes it suitable for battery-powered devices.
• Fast settling time enables quick response in dynamic applications.
• Wide temperature range allows operation in various environments.

Disadvantages

• Limited number of channels (4) compared to other DACs.
• Requires an external reference voltage for operation.

Working Principles

The AD7224KNZ operates by converting digital input data into corresponding analog voltages. The digital data is received through the serial interface and processed internally to generate the desired analog output. The device utilizes a combination of resistors and switches to achieve accurate voltage conversion.

Detailed Application Field Plans

The AD7224KNZ finds applications in various fields, including:

1. Industrial automation: Used for precise control of analog devices in industrial processes.
2. Test and measurement equipment: Provides accurate analog outputs for testing and calibration purposes.
3. Audio equipment: Enables high-quality audio signal generation in audio systems.
4. Instrumentation: Used in scientific instruments for precise measurement and control.

Detailed and Complete Alternative Models

1. AD5624R: 12-bit quad-channel DAC with internal reference and I2C interface.
2. MCP4924: 12-bit quad-channel DAC with SPI interface and low power consumption.
3. MAX5214: 12-bit quad-channel DAC with internal reference and fast settling time.

These alternative models offer similar functionality to the AD