DAC7801KU/1K

Product Overview

Category: Digital-to-Analog Converter (DAC)

Use: The DAC7801KU/1K is a high-performance, 12-bit voltage-output digital-to-analog converter. It is designed to convert digital signals into analog voltages with exceptional accuracy and precision.

Characteristics: - High resolution: 12-bit output resolution ensures fine-grained control over the analog voltage. - Fast settling time: The DAC7801KU/1K offers a fast settling time of less than 10 microseconds, enabling rapid response in applications requiring real-time analog outputs. - Low power consumption: This DAC operates at low power levels, making it suitable for battery-powered devices. - Wide operating temperature range: The DAC7801KU/1K can operate reliably in temperatures ranging from -40°C to +85°C. - Small package size: The DAC7801KU/1K is available in a compact, space-saving package, making it ideal for applications with limited board space.

Package: The DAC7801KU/1K is offered in a small form factor, 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence: The DAC7801KU/1K is an essential component in various electronic systems that require precise analog voltage generation. It provides a reliable and accurate means of converting digital signals into corresponding analog voltages.

Packaging/Quantity: The DAC7801KU/1K is typically sold in reels containing 250 units per reel.

Specifications

• Resolution: 12 bits
• Output Voltage Range: 0V to Vref
• Supply Voltage: 2.7V to 5.5V
• Settling Time: <10μs
• Power Consumption: 0.6mW (typical)
• Operating Temperature Range: -40°C to +85°C
• Package Type: 8-pin SOIC

Pin Configuration

The DAC7801KU/1K features the following pin configuration:

┌───┬───┐ │ 1 │ 8 │ │ 2 │ 7 │ │ 3 │ 6 │ │ 4 │ 5 │ └───┴───┘

1. Vout: Analog Output Voltage
2. Vref: Reference Voltage Input
3. CS: Chip Select Input
4. SCLK: Serial Clock Input
5. DIN: Serial Data Input
6. GND: Ground
7. AGND: Analog Ground
8. VDD: Power Supply

Functional Features

• High-resolution digital-to-analog conversion
• Fast settling time for real-time applications
• Low power consumption for energy-efficient operation
• Wide operating temperature range for versatile usage
• Compact package size for space-constrained designs

Advantages and Disadvantages

Advantages: - High resolution ensures precise analog voltage generation. - Fast settling time enables real-time response in time-critical applications. - Low power consumption makes it suitable for battery-powered devices. - Wide operating temperature range allows for reliable operation in various environments. - Compact package size saves board space.

Disadvantages: - Limited output voltage range (0V to Vref). - Requires an external reference voltage source.

Working Principles

The DAC7801KU/1K utilizes a digital-to-analog conversion technique known as pulse-width modulation (PWM). It converts the incoming digital signal into a corresponding analog voltage by rapidly switching between two voltage levels. The ratio of the on-time to the total cycle time determines the average output voltage level.

Detailed Application Field Plans

The DAC7801KU/1K finds applications in various fields, including:

1. Industrial Automation: Precise analog voltage generation for control systems and instrumentation.
2. Audio Equipment: Digital-to-analog conversion for high-fidelity audio reproduction.
3. Test and Measurement: Accurate voltage generation for calibration and testing purposes.
4. Communication Systems: Analog signal generation for modulation and demodulation processes.
5. Automotive Electronics: Voltage control for automotive sensors and actuators.

Alternative Models

1. DAC7821KU/1K: 12-bit digital-to-analog converter with additional features such as internal reference and power-on reset.
2. DAC7811KU/1K: 10-bit digital-to-analog converter with similar performance characteristics but lower resolution.
3. DAC8830ICD: 16-bit digital-to-analog converter offering higher resolution for applications requiring ultra-precise analog voltage generation.

These alternative models provide options with varying resolutions and additional features to suit specific application requirements.

In conclusion, the DAC7801KU/1K is a high-performance digital-to-analog converter that