DAC7801KUG4

Product Overview

Category: Digital-to-Analog Converter (DAC)

Use: The DAC7801KUG4 is a high-performance, 12-bit voltage-output digital-to-analog converter. It is designed to convert digital signals into analog voltages with exceptional accuracy and precision.

Characteristics: - Resolution: 12 bits - Voltage Output Range: 0V to Vref - Supply Voltage: 2.7V to 5.5V - Low Power Consumption: 0.6mW at 3V - Fast Settling Time: 10µs - Small Package Size: 8-pin VSSOP

Package: The DAC7801KUG4 is available in an 8-pin VSSOP (Very Small Outline Package) which provides a compact and space-saving solution for applications with limited board space.

Essence: The essence of the DAC7801KUG4 lies in its ability to accurately convert digital data into precise analog voltages, making it suitable for various applications that require high-resolution digital-to-analog conversion.

Packaging/Quantity: The DAC7801KUG4 is typically sold in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Resolution: 12 bits
• Voltage Output Range: 0V to Vref
• Integral Nonlinearity (INL): ±1 LSB (Max)
• Differential Nonlinearity (DNL): ±1 LSB (Max)
• Settling Time: 10µs (Max)
• Output Current: ±1mA (Max)
• Supply Voltage Range: 2.7V to 5.5V
• Power Consumption: 0.6mW at 3V
• Operating Temperature Range: -40°C to +105°C

Detailed Pin Configuration

The DAC7801KUG4 has the following pin configuration:

1. VDD: Supply Voltage
2. VREF: Reference Voltage Input
3. AGND: Analog Ground
4. OUT: Analog Voltage Output
5. DIN: Digital Input
6. SCLK: Serial Clock Input
7. CS: Chip Select Input
8. DGND: Digital Ground

Functional Features

• High-resolution 12-bit digital-to-analog conversion.
• Wide voltage output range from 0V to Vref.
• Low power consumption, making it suitable for battery-powered applications.
• Fast settling time ensures quick response in dynamic applications.
• Small package size allows for space-saving integration into compact designs.

Advantages and Disadvantages

Advantages: - High resolution and accuracy in digital-to-analog conversion. - Wide voltage output range provides flexibility in various applications. - Low power consumption extends battery life in portable devices. - Fast settling time enables real-time applications. - Compact package size saves board space.

Disadvantages: - Limited output current capability may not be suitable for high-current applications. - Operating temperature range may restrict usage in extreme environments.

Working Principles

The DAC7801KUG4 operates by accepting a digital input signal and converting it into an analog voltage output. The digital input is provided through the DIN pin, while the serial clock input (SCLK) and chip select input (CS) control the data transfer process. The reference voltage (VREF) determines the maximum output voltage level.

Internally, the DAC7801KUG4 utilizes a precision resistor ladder network and a digital-to-analog converter circuitry to accurately convert the digital input into an analog voltage. The output voltage is then available at the OUT pin.

Detailed Application Field Plans

The DAC7801KUG4 finds applications in various fields, including:

1. Industrial Automation: Used for precise control of analog devices in industrial automation systems.
2. Test and Measurement Equipment: Provides accurate voltage generation for testing and calibration purposes.
3. Audio Systems: Enables high-fidelity audio signal generation in audio equipment.
4. Instrumentation: Used in scientific instruments requiring precise analog voltage outputs.
5. Communication Systems: Utilized for digital-to-analog conversion in communication devices.

Detailed and Complete Alternative Models

1. DAC7800KUG4: Similar to the DAC7801KUG4 but with 10-bit resolution.
2. DAC7811KUG4: Higher-resolution variant with 14-bit resolution.
3. DAC7821KUG4: Offers dual-channel capability with 12-bit resolution.
4. DAC7830KUG4: Provides 16-bit resolution for applications requiring higher precision.

These alternative models offer different resolutions and additional features to cater to specific application requirements.

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