DAC9881SBRGET

Product Overview

Category: Digital-to-Analog Converter (DAC)

Use: The DAC9881SBRGET is a high-performance digital-to-analog converter designed for various applications that require precise and accurate analog output signals. It is commonly used in audio systems, industrial control systems, test and measurement equipment, and communication devices.

Characteristics: - High resolution: The DAC9881SBRGET offers a resolution of up to 16 bits, ensuring fine-grained control over the analog output. - Low noise and distortion: It provides excellent signal integrity with low noise and distortion levels, resulting in high-quality analog output. - Wide voltage range: The DAC9881SBRGET operates within a wide voltage range, making it compatible with different power supply configurations. - Small package size: It comes in a compact package, allowing for easy integration into space-constrained designs. - RoHS compliant: The DAC9881SBRGET meets the Restriction of Hazardous Substances directive, ensuring environmental friendliness.

Package and Quantity: The DAC9881SBRGET is available in a small outline integrated circuit (SOIC) package. It is typically sold in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Resolution: Up to 16 bits
• Output Voltage Range: 0V to Vref
• Supply Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Total Unadjusted Error: ±1 LSB (maximum)
• Power Consumption: 10mW (typical)

Pin Configuration

The DAC9881SBRGET has a total of 20 pins, as shown below:

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| | | 1 2 3 4 5 6 7 8 9 | |_______________________________________| | | | 10 11 12 13 14 15 16 17 18 | |_______________________________________|

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Pin Description: 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. FS: Frame synchronization input 9. SCLK: Serial clock input 10. SDIN: Serial data input 11. LDAC: Load DAC input 12. CLR: Clear input 13. GND: Ground 14. NC: No connection 15. NC: No connection 16. NC: No connection 17. NC: No connection 18. NC: No connection

Functional Features

• High-resolution digital-to-analog conversion
• Low noise and distortion for high-quality analog output
• Flexible power supply range for compatibility with various systems
• Serial interface for easy integration with microcontrollers and digital signal processors
• Internal reference voltage generator for simplified system design
• Software programmable gain and offset calibration for enhanced accuracy
• Power-down mode for reduced power consumption during idle periods

Advantages and Disadvantages

Advantages: - High resolution allows for precise control over analog output. - Low noise and distortion result in high-quality audio signals. - Wide voltage range ensures compatibility with different power supply configurations. - Compact package size enables easy integration into space-constrained designs. - RoHS compliance ensures environmental friendliness.

Disadvantages: - Limited output voltage range compared to some other DACs. - Higher power consumption compared to lower-resolution DACs.

Working Principles

The DAC9881SBRGET utilizes a digital-to-analog conversion technique to convert digital input signals into corresponding analog output voltages. It employs an internal reference voltage and a serial interface for communication with external devices. The digital input data is processed internally and converted into precise analog output voltages, which can be used for various applications such as audio playback, waveform generation, and control systems.

Detailed Application Field Plans

The DAC9881SBRGET finds applications in various fields, including:

1. Audio Systems: It is used in high-fidelity audio equipment, such as digital audio players, amplifiers, and mixing consoles, to convert digital audio signals into analog audio signals for playback.

2. Industrial Control Systems: The DAC9881SBRGET is employed in industrial automation and control systems to generate analog control signals for motor drives, valve actuators, and other industrial equipment.

3. Test and Measurement Equipment: It is utilized in test and measurement instruments, such as oscilloscopes and signal generators, to generate precise