DAC7725N/750

Product Overview

Category: Digital-to-Analog Converter (DAC)

Use: The DAC7725N/750 is a high-performance digital-to-analog converter designed for various applications that require precise analog output. It converts digital signals into corresponding analog voltages, making it suitable for use in audio systems, instrumentation, industrial control, and communication equipment.

Characteristics: - High resolution: The DAC7725N/750 offers a resolution of 16 bits, ensuring accurate and fine-grained analog output. - Low power consumption: It operates at low power levels, making it energy-efficient and suitable for battery-powered devices. - Fast settling time: The converter provides fast settling time, enabling quick response to changes in the input signal. - Wide voltage range: It supports a wide voltage range, allowing flexibility in different operating conditions.

Package: The DAC7725N/750 is available in a compact and industry-standard 24-pin DIP (Dual Inline Package) or SOIC (Small Outline Integrated Circuit) package. This package ensures easy integration into various circuit designs.

Essence: The DAC7725N/750 is a key component in digital systems that require accurate analog output. It bridges the gap between digital and analog domains, enabling seamless communication between these two realms.

Packaging/Quantity: The DAC7725N/750 is typically packaged in reels or tubes, with quantities varying based on customer requirements. Common packaging options include tape and reel packaging, which facilitates automated assembly processes.

Specifications

• Resolution: 16 bits
• Voltage Reference Range: 0V to Vref
• Output Voltage Range: 0V to Vref
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Total Unadjusted Error: ±1 LSB (Least Significant Bit)
• Integral Nonlinearity: ±1 LSB
• Settling Time: 10µs

Pin Configuration

The DAC7725N/750 features a 24-pin package with the following pin configuration:

Pin 1: Vref Pin 2: AGND Pin 3: DGND Pin 4: AOUT Pin 5: AOUT ... Pin 24: VDD

Functional Features

• High-resolution digital-to-analog conversion
• Low power consumption for energy efficiency
• Fast settling time for quick response
• Wide voltage range for versatile applications
• Easy integration into circuit designs

Advantages and Disadvantages

Advantages: - High resolution ensures accurate analog output. - Low power consumption makes it suitable for battery-powered devices. - Fast settling time enables quick response to input signal changes. - Wide voltage range allows flexibility in different operating conditions.

Disadvantages: - Limited output current capability compared to specialized DACs. - May require additional external components for specific applications.

Working Principles

The DAC7725N/750 utilizes a digital-to-analog conversion technique called pulse-width modulation (PWM). It converts the digital input signal into a series of pulses with varying widths, which are then filtered to produce a smooth analog output voltage. The resolution of the converter determines the number of discrete voltage levels that can be represented.

Detailed Application Field Plans

The DAC7725N/750 finds applications in various fields, including: 1. Audio Systems: Precise analog output for high-fidelity audio reproduction. 2. Instrumentation: Accurate control of test and measurement equipment. 3. Industrial Control: Analog control signals for industrial automation systems. 4. Communication Equipment: Generation of analog signals for communication protocols.

Alternative Models

1. DAC7724: Similar specifications but with 12-bit resolution.
2. DAC7728: Similar specifications but with 18-bit resolution.
3. DAC7741: Higher-resolution alternative with 20-bit resolution.

These alternative models provide options for different resolution requirements and specific application needs.

In conclusion, the DAC7725N/750 is a high-performance digital-to-analog converter that offers accurate analog output in various applications. Its high resolution, low power consumption, and fast settling time make it a versatile choice for digital systems requiring precise analog signals.