DAC8728SPAG

Product Overview

Category: Digital-to-Analog Converter (DAC)

Use: The DAC8728SPAG is a high-performance digital-to-analog converter designed for various applications that require precise and accurate analog output. It is commonly used in audio systems, industrial automation, test and measurement equipment, and communication devices.

Characteristics: - High resolution: The DAC8728SPAG offers a resolution of up to 16 bits, ensuring fine-grained control over the analog output. - Low distortion: It provides low total harmonic distortion (THD) and noise, resulting in high-quality and clear analog signals. - Fast settling time: The DAC8728SPAG has a fast settling time, enabling quick response to changes in the digital input. - Wide voltage range: It supports a wide voltage range, allowing flexibility in different voltage level requirements. - Low power consumption: This DAC consumes minimal power, making it suitable for battery-powered devices. - Small package size: The DAC8728SPAG comes in a compact package, saving valuable board space.

Package and Quantity: The DAC8728SPAG is available in a small-outline integrated circuit (SOIC) package. Each package contains one unit of the DAC8728SPAG.

Specifications

• Resolution: Up to 16 bits
• Voltage Reference Range: 0V to VREF
• Output Voltage Range: 0V to VREF
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Interface: Serial Peripheral Interface (SPI)
• Power Consumption: <1mW

Pin Configuration

The DAC8728SPAG has a total of 20 pins. Here is the detailed pin configuration:

1. VDD: Positive supply voltage
2. VSS: Ground
3. VREF: Reference voltage input
4. AGND: Analog ground
5. OUTA: Analog output channel A
6. OUTB: Analog output channel B
7. OUTC: Analog output channel C
8. OUTD: Analog output channel D
9. LDAC: Load DAC register control input
10. CLR: Clear DAC register control input
11. CS: Chip select input
12. SCLK: Serial clock input
13. SDI: Serial data input
14. SDO: Serial data output
15. SYNC: Synchronization input
16. REFOUT: Reference voltage output
17. AVDD: Analog supply voltage
18. DVDD: Digital supply voltage
19. DGND: Digital ground
20. NC: No connection

Functional Features

• High-resolution digital-to-analog conversion
• Low distortion and noise for high-quality analog output
• Fast settling time for quick response to input changes
• Flexible voltage reference range and output voltage range
• Easy interfacing with microcontrollers and other digital devices through the SPI interface
• Power-saving features for low power consumption

Advantages and Disadvantages

Advantages: - High resolution allows precise control over analog output. - Low distortion and noise result in high-quality audio signals. - Fast settling time ensures quick response to changes in the digital input. - Wide voltage range provides flexibility in different applications. - Low power consumption makes it suitable for battery-powered devices.

Disadvantages: - Limited number of analog output channels (four channels). - Requires an external voltage reference.

Working Principles

The DAC8728SPAG operates by converting digital input data into corresponding analog voltages. It utilizes a serial peripheral interface (SPI) to receive digital data from a microcontroller or other digital devices. The internal digital-to-analog converter then converts this digital data into analog voltages, which are available at the output channels (OUTA, OUTB, OUTC, and OUTD). The reference voltage (VREF) determines the maximum output voltage range.

Application Field Plans

The DAC8728SPAG finds applications in various fields, including:

1. Audio Systems: It is used in audio equipment such as amplifiers, mixers, and digital audio workstations to convert digital audio signals into analog signals for playback or amplification.
2. Industrial Automation: The DAC8728SPAG is employed in industrial control systems to generate precise analog control signals for controlling motors, valves, and other industrial processes.
3. Test and Measurement Equipment: It is utilized in test and measurement instruments like oscilloscopes, signal generators, and data acquisition systems to provide accurate analog output for testing and analysis purposes.
4. Communication Devices: The DAC8728SPAG is integrated into communication devices such as modems, routers, and transceivers to convert digital signals into analog signals for transmission or reception.

Alternative Models

Here are some alternative models that offer similar functionality to the DAC8728SPAG:

1. DAC