DAC8718SPAG

Product Overview

Category: Digital-to-Analog Converter (DAC)

Use: The DAC8718SPAG 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, telecommunications equipment, industrial automation, and test and measurement instruments.

Characteristics: - High resolution: The DAC8718SPAG 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 analog signals. - Fast settling time: The device features a fast settling time, enabling rapid response to changes in the input digital signal. - Wide voltage range: It supports a wide voltage range, allowing flexibility in different voltage level applications.

Package: The DAC8718SPAG comes in a small-sized surface-mount package, making it suitable for space-constrained designs.

Essence: The essence of the DAC8718SPAG lies in its ability to convert digital signals into precise analog voltages with high resolution and low distortion.

Packaging/Quantity: The DAC8718SPAG is typically packaged in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Resolution: Up to 16 bits
• 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: 10mW (typical)

Detailed Pin Configuration

The DAC8718SPAG 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 channel A
5. OUTB: Analog output channel B
6. OUTC: Analog output channel C
7. OUTD: Analog output channel D
8. DGND: Digital ground
9. SCLK: Serial clock input
10. DIN: Serial data input
11. SYNC: Chip select input 12-20. NC: No connection

Functional Features

• High linearity: The DAC8718SPAG offers excellent linearity, ensuring accurate representation of the digital input signal in the analog domain.
• Programmable output range: It allows users to program the output voltage range according to their specific requirements.
• Power-down mode: The device supports a power-down mode, reducing power consumption when not in use.
• Daisy-chain capability: Multiple DAC8718SPAG devices can be daisy-chained together, simplifying system design and reducing the number of control lines required.

Advantages and Disadvantages

Advantages: - High resolution and low distortion for accurate analog signal generation. - Wide voltage range enables compatibility with various applications. - Small package size suitable for space-constrained designs. - Power-down mode reduces power consumption.

Disadvantages: - Limited output channels (four channels). - Requires an external reference voltage source.

Working Principles

The DAC8718SPAG operates by converting digital input data into corresponding analog voltages using an internal digital-to-analog conversion algorithm. The digital input data is received through the serial interface (SPI) and processed internally to generate the desired analog output voltages. These analog voltages are then available at the respective output channels.

Detailed Application Field Plans

The DAC8718SPAG finds applications in various fields, including:

1. Audio Systems: It is used in audio equipment such as digital audio players, amplifiers, and mixing consoles to convert digital audio signals into analog voltages for accurate sound reproduction.
2. Telecommunications Equipment: The DAC8718SPAG is employed in telecommunications devices like modems, routers, and base stations to convert digital signals into analog voltages for transmission or modulation purposes.
3. Industrial Automation: It is utilized in industrial automation systems to generate precise analog control signals for controlling motors, valves, and other actuators.
4. Test and Measurement Instruments: The DAC8718SPAG is integrated into test and measurement instruments such as oscilloscopes, signal generators, and data acquisition systems to provide accurate analog output signals for testing and analysis purposes.

Detailed and Complete Alternative Models

1. DAC8811SPAG: Similar to the DAC8718SPAG, this model offers 16-bit resolution and a wide voltage range. However, it provides eight output channels instead of four.
2. DAC7321SPAG: This model features a lower resolution of 12 bits but offers higher speed and lower power consumption compared to the DAC8718SPAG. It is suitable for applications that prioritize speed and power