DAC7800KU

Product Overview

Category: Digital-to-Analog Converter (DAC)

Use: The DAC7800KU is a high-performance digital-to-analog converter designed for various applications that require precise analog output signals. It is commonly used in audio equipment, instrumentation, and industrial control systems.

Characteristics: - High resolution: The DAC7800KU provides a resolution of 16 bits, ensuring accurate conversion of digital data into analog signals. - Low distortion: It offers low total harmonic distortion (THD) and noise, resulting in high-quality analog output. - Fast settling time: The DAC7800KU has a fast settling time, enabling rapid response to changes in the input digital data. - Wide voltage range: It operates over a wide voltage range, allowing flexibility in different power supply configurations.

Package: The DAC7800KU is available in a small outline package (SOIC), which provides ease of integration into various electronic systems.

Essence: The DAC7800KU is a key component in digital systems that require accurate analog signal generation. It converts digital data into precise analog voltages, enabling the reproduction of audio signals or control of physical processes.

Packaging/Quantity: The DAC7800KU is typically sold in reels containing 250 units per reel.

Specifications

• Resolution: 16 bits
• Output Voltage Range: 0V to Vref
• Supply Voltage Range: ±5V to ±15V
• Settling Time: 10µs
• Total Harmonic Distortion (THD): <0.01%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The DAC7800KU has a 20-pin configuration as follows:

1. VDD: Positive power supply
2. VSS: Negative power supply
3. AGND: Analog ground
4. REFOUT: Reference voltage output
5. VREF: Reference voltage input
6. DB15-DB0: Digital data inputs (16 bits)
7. WR: Write control input
8. CS: Chip select input
9. LDAC: Load DAC input
10. CLR: Clear input
11. AOUT: Analog output

Functional Features

• High-resolution digital-to-analog conversion
• Low distortion and noise for high-quality analog output
• Fast settling time for rapid response to input changes
• Wide operating voltage range for flexibility in power supply configurations
• Easy integration into electronic systems with small outline package (SOIC)

Advantages and Disadvantages

Advantages: - High resolution ensures accurate analog signal generation - Low distortion and noise result in high-quality output - Fast settling time allows for quick response to input changes - Wide voltage range provides flexibility in power supply configurations

Disadvantages: - Limited to 16-bit resolution, may not be suitable for applications requiring higher precision - Requires external reference voltage for operation

Working Principles

The DAC7800KU operates on the principle of converting digital data into corresponding analog voltages. It utilizes a 16-bit digital input to generate an analog output voltage within the specified range. The digital data is processed internally using advanced techniques to ensure accurate conversion and minimize distortion.

Detailed Application Field Plans

The DAC7800KU finds applications in various fields, including: 1. Audio Equipment: Used in audio amplifiers, mixers, and digital audio workstations to convert digital audio signals into analog voltages for speaker output. 2. Instrumentation: Employed in test and measurement equipment to generate precise analog signals for calibration and testing purposes. 3. Industrial Control Systems: Integrated into industrial automation systems to control physical processes by converting digital control signals into analog voltages for actuator control.

Detailed and Complete Alternative Models

1. DAC8800KU: Similar to the DAC7800KU, but with a higher resolution of 20 bits.
2. DAC7608KU: A lower-cost alternative with 8-bit resolution, suitable for applications where lower precision is acceptable.
3. DAC7821KU: Offers similar performance to the DAC7800KU but includes additional features such as on-chip voltage reference and internal power-on reset circuitry.

(Note: The above alternative models are provided for reference purposes and may have different specifications and pin configurations.)

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