AD7226KRZ

Product Overview

Category

AD7226KRZ belongs to the category of digital-to-analog converters (DACs).

Use

The AD7226KRZ 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 AD7226KRZ offers a resolution of 8 bits, allowing for accurate conversion of digital data.
• Fast settling time: With a settling time of less than 10 microseconds, this DAC ensures quick and reliable analog output.
• Low power consumption: The device operates at low power, making it suitable for battery-powered applications.
• Wide operating voltage range: The AD7226KRZ can operate within a wide voltage range, providing flexibility in different systems.
• Small package size: It comes in a compact package, enabling easy integration into space-constrained designs.

Package and Quantity

The AD7226KRZ is available in a 20-lead small outline integrated circuit (SOIC) package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Resolution: 8 bits
• Number of channels: 1
• Supply voltage range: 2.7V to 5.5V
• Operating temperature range: -40°C to +85°C
• DNL (Differential Non-Linearity): ±0.5 LSB (max)
• INL (Integral Non-Linearity): ±1 LSB (max)

Pin Configuration

The AD7226KRZ has a total of 20 pins. Here is the detailed pin configuration:

1. VOUT
2. AGND
3. REFOUT
4. REFIN
5. A0
6. A1
7. A2
8. A3
9. A4
10. A5
11. A6
12. A7
13. WR
14. CS
15. SCLK
16. SDIN
17. DGND
18. VDD
19. VLOGIC
20. VREF

Functional Features

• Serial interface: The AD7226KRZ utilizes a serial interface for easy communication with microcontrollers or other digital devices.
• Output voltage range selection: It allows the user to select between unipolar and bipolar output voltage ranges, providing flexibility in different applications.
• Power-down mode: The device includes a power-down mode to conserve energy when not in use.
• Internal reference: The AD7226KRZ incorporates an internal voltage reference, eliminating the need for an external reference source.

Advantages and Disadvantages

Advantages

• High resolution ensures accurate analog output.
• Fast settling time enables quick response in dynamic applications.
• Low power consumption makes it suitable for portable devices.
• Wide operating voltage range provides compatibility with various systems.
• Compact package size allows for easy integration.

Disadvantages

• Limited number of channels (1 channel).
• May require additional external components for certain applications.

Working Principles

The AD7226KRZ operates by converting digital input data into corresponding analog voltages. It utilizes an internal digital-to-analog conversion technique to achieve this. The digital data is received through the serial interface and processed internally to generate the desired analog output voltage.

Application Field Plans

The AD7226KRZ finds application in various fields, including but not limited to: - Industrial automation - Test and measurement equipment - Audio processing - Instrumentation - Communication systems

Alternative Models

Here are some alternative models that offer similar functionality to the AD7226KRZ: - AD7224: 4-channel DAC with 8-bit resolution - AD7303: 8-channel DAC with 8-bit resolution - AD5628: Single-channel DAC with 12-bit resolution

These alternative models can be considered based on specific application requirements and desired features.

In conclusion, the AD7226KRZ is an 8-bit digital-to-analog converter that offers high resolution, fast settling time, and low power consumption. It is commonly used in various applications where precise analog outputs are needed. The device comes in a compact package and operates within a wide voltage range. While it has some limitations, such as a limited number of channels, it provides several advantages for accurate analog signal generation.