DAC0802LCN/NOPB

Product Overview

Category: Digital-to-Analog Converter (DAC)

Use: The DAC0802LCN/NOPB is a monolithic, low-cost, 8-bit digital-to-analog converter. It converts digital input signals into analog output voltages.

Characteristics: - Resolution: 8 bits - Number of Channels: 1 - Supply Voltage Range: 4.5V to 18V - Output Voltage Range: 0V to Vref - Package Type: PDIP (Plastic Dual In-Line Package) - Package Dimensions: 0.300" Wide (7.62mm), 0.600" Long (15.24mm) - Operating Temperature Range: -40°C to +85°C

Essence: The DAC0802LCN/NOPB is designed to provide high accuracy and low cost in applications such as digital calibration systems, waveform generators, and digitally controlled gain circuits.

Packaging/Quantity: The DAC0802LCN/NOPB is available in a PDIP package. It is typically sold in quantities of one or more.

Specifications

• Resolution: 8 bits
• Number of Channels: 1
• Supply Voltage Range: 4.5V to 18V
• Integral Nonlinearity (INL): ±1 LSB
• Differential Nonlinearity (DNL): ±1 LSB
• Settling Time: 100 ns
• Output Voltage Range: 0V to Vref
• Reference Input Voltage Range: 0V to Vref
• Power Consumption: 33 mW
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The DAC0802LCN/NOPB has a total of 16 pins. The pin configuration is as follows:

1. Vout
2. Vref
3. AGND
4. DGND
5. CS
6. WR
7. RD
8. DB0
9. DB1
10. DB2
11. DB3
12. DB4
13. DB5
14. DB6
15. DB7
16. Vcc

Functional Features

• Monolithic CMOS construction for low power consumption and high accuracy.
• Fast settling time of 100 ns ensures quick response in dynamic applications.
• Single-channel design allows for precise control of analog output voltage.
• Wide supply voltage range enables compatibility with various systems.
• Easy interfacing with microcontrollers and digital logic circuits.

Advantages and Disadvantages

Advantages: - High accuracy and resolution for precise analog output. - Low power consumption for energy-efficient operation. - Cost-effective solution for digital-to-analog conversion needs. - Wide operating temperature range for versatile application scenarios.

Disadvantages: - Limited to 8-bit resolution, which may not be sufficient for certain high-precision applications. - PDIP package may not be suitable for space-constrained designs. - Lack of built-in features such as internal reference voltage source or output amplification.

Working Principles

The DAC0802LCN/NOPB utilizes a binary-weighted resistor ladder network to convert digital input signals into corresponding analog output voltages. The digital input is provided through the DB0-DB7 pins, while the reference voltage is applied to the Vref pin. The converter uses a combination of switches and resistors to generate the desired analog output voltage based on the digital input code.

Detailed Application Field Plans

The DAC0802LCN/NOPB can be used in various applications, including:

1. Digital Calibration Systems: The DAC0802LCN/NOPB can be employed to calibrate analog devices or systems by generating precise reference voltages.

2. Waveform Generators: It can be utilized to generate complex waveforms with high accuracy and resolution, making it suitable for applications such as audio synthesis or signal testing.

3. Digitally Controlled Gain Circuits: The DAC0802LCN/NOPB can be integrated into gain control circuits to provide digitally adjustable amplification levels in audio or communication systems.

Detailed and Complete Alternative Models

1. DAC0800LCN/NOPB: Similar to the DAC0802LCN/NOPB, but with a 10-bit resolution instead of 8 bits.
2. DAC0808LCN/NOPB: Offers 8-bit resolution like the DAC0802LCN/NOPB, but with multiple channels for simultaneous conversion.
3. DAC0830LCN/NOPB: Provides 8-bit resolution and includes an on-chip output amplifier for increased flexibility.

These alternative models offer different features and specifications, allowing users to choose the most suitable option based on their specific requirements.

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