DAC8420ESZ-REEL

Product Overview

Category: Digital-to-Analog Converter (DAC)

Use: The DAC8420ESZ-REEL is a high-performance digital-to-analog converter designed for various applications that require precise and accurate conversion of digital signals into analog voltages. It is commonly used in audio systems, instrumentation, industrial control systems, and communication equipment.

Characteristics: - High resolution: The DAC8420ESZ-REEL offers a resolution of up to 16 bits, ensuring fine-grained analog output. - Low distortion: It provides low total harmonic distortion (THD) and integral non-linearity (INL), resulting in high-quality analog output. - Fast settling time: The DAC8420ESZ-REEL has a fast settling time, enabling it to quickly respond to changes in the input digital signal. - Wide voltage range: It operates over a wide voltage range, making it suitable for various power supply configurations. - Low power consumption: The DAC8420ESZ-REEL is designed to consume minimal power, making it energy-efficient.

Package: The DAC8420ESZ-REEL comes in a small outline integrated circuit (SOIC) package, which provides ease of handling and compatibility with standard PCB designs.

Essence: The essence of the DAC8420ESZ-REEL lies in its ability to convert digital signals into precise analog voltages, allowing for accurate representation of digital data in the analog domain.

Packaging/Quantity: The DAC8420ESZ-REEL is typically packaged in reels containing a specified quantity of units, ensuring convenient storage and transportation.

Specifications

• Resolution: Up to 16 bits
• Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0V to Vref
• Settling Time: <10µs
• Total Harmonic Distortion (THD): <0.01%
• Integral Non-Linearity (INL): ±1 LSB

Pin Configuration

The DAC8420ESZ-REEL has a total of 20 pins, which are assigned specific functions as follows:

1. VDD - Power supply voltage
2. VREF - Reference voltage input
3. AGND - Analog ground
4. OUTA - Analog output A
5. OUTB - Analog output B
6. REFOUT - Reference voltage output
7. DGND - Digital ground
8. DIN[0:15] - Digital input data
9. SCLK - Serial clock input
10. SYNC - Synchronization input
11. LDAC - Load DAC input
12. CLR - Clear input
13. GAIN - Gain control input
14. VLOGIC - Logic power supply voltage
15. DOUT - Digital output
16. NC - No connection
17. NC - No connection
18. NC - No connection
19. NC - No connection
20. NC - No connection

Functional Features

• High-resolution digital-to-analog conversion
• Low distortion and non-linearity for accurate analog output
• Fast settling time for rapid response to input changes
• Flexible power supply voltage range
• Low power consumption for energy efficiency
• Serial interface for easy integration with microcontrollers and digital systems
• On-chip reference voltage generation for simplified design

Advantages and Disadvantages

Advantages: - High resolution ensures precise analog output. - Low distortion and non-linearity result in high-quality audio or signal reproduction. - Fast settling time allows for quick response to dynamic signals. - Wide voltage range provides flexibility in power supply configurations. - Low power consumption contributes to energy efficiency.

Disadvantages: - Limited number of digital input channels. - Requires an external reference voltage for accurate conversion.

Working Principles

The DAC8420ESZ-REEL operates on the principle of converting digital input data into corresponding analog voltages. It utilizes a combination of digital-to-analog conversion techniques, including resistor ladder networks and current steering, to achieve accurate and precise conversion. The digital input data is processed internally and converted into analog voltages, which are then amplified and filtered to produce the desired analog output.

Detailed Application Field Plans

The DAC8420ESZ-REEL finds applications in various fields, including:

1. Audio Systems: It is used in audio equipment such as digital audio players, amplifiers, and mixers to convert digital audio signals into analog voltages for high-fidelity sound reproduction.
2. Instrumentation: The DAC8420ESZ-REEL is employed in measurement and control instruments where accurate analog output is required, such as data acquisition systems, oscilloscopes, and signal generators.
3. Industrial Control Systems: It plays a crucial role in industrial automation and control systems, enabling precise control of analog devices and processes.