DAC7725N

Product Overview

Category: Digital-to-Analog Converter (DAC)

Use: The DAC7725N is a high-speed, 12-bit digital-to-analog converter designed for various applications that require precise analog output generation. It is commonly used in industrial control systems, data acquisition systems, and audio equipment.

Characteristics: - High-speed conversion with a maximum update rate of 10 MHz - 12-bit resolution providing fine-grained analog output - Low power consumption for energy-efficient operation - Wide operating voltage range from 2.7V to 5.5V - Built-in power-on reset circuitry ensures reliable startup - Small form factor package for space-constrained designs

Package: The DAC7725N is available in a 16-pin plastic dual in-line package (PDIP). This package offers excellent thermal performance and ease of integration into various electronic systems.

Essence: The essence of the DAC7725N lies in its ability to convert digital signals into precise analog voltages, enabling accurate control of analog devices or systems.

Packaging/Quantity: The DAC7725N is typically packaged in tubes or reels, with quantities varying depending on the supplier and customer requirements.

Specifications

• Resolution: 12 bits
• Number of Channels: 1
• Output Type: Voltage
• Output Range: 0V to Vref
• Reference Voltage Range: 2.5V to 5.5V
• Supply Voltage Range: 2.7V to 5.5V
• Maximum Update Rate: 10 MHz
• Integral Nonlinearity (INL): ±1 LSB (typical)
• Differential Nonlinearity (DNL): ±1 LSB (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The DAC7725N features a 16-pin PDIP package with the following pin configuration:

1. VDD - Supply Voltage
2. VREF - Reference Voltage Input
3. AGND - Analog Ground
4. OUT - Analog Output
5. A0 - Address Input Bit 0
6. A1 - Address Input Bit 1
7. A2 - Address Input Bit 2
8. A3 - Address Input Bit 3
9. A4 - Address Input Bit 4
10. A5 - Address Input Bit 5
11. A6 - Address Input Bit 6
12. A7 - Address Input Bit 7
13. WR - Write Input
14. CS - Chip Select Input
15. DGND - Digital Ground
16. VSS - Negative Supply Voltage

Functional Features

• High-speed conversion enables rapid response in dynamic applications.
• Precise 12-bit resolution ensures accurate analog output generation.
• Wide operating voltage range allows compatibility with various power supply systems.
• Power-on reset circuitry guarantees reliable startup and initialization.
• Single-channel design simplifies integration into different systems.

Advantages and Disadvantages

Advantages: - High-speed conversion capability - Accurate and precise analog output - Wide operating voltage range - Reliable power-on reset circuitry - Compact form factor

Disadvantages: - Limited to single-channel output - May require additional components for specific applications - Higher cost compared to lower-resolution DACs

Working Principles

The DAC7725N operates on the principle of converting digital input codes into corresponding analog voltages. It utilizes an internal digital-to-analog conversion algorithm to generate precise analog outputs based on the provided digital input values. The converted analog voltage is then available at the OUT pin for further utilization in the target application.

Detailed Application Field Plans

The DAC7725N finds applications in various fields, including:

1. Industrial Control Systems: Used for precise control of actuators, motor speed control, and process variable generation.
2. Data Acquisition Systems: Enables accurate analog signal generation for data acquisition and analysis purposes.
3. Audio Equipment: Utilized in audio processing systems, digital mixers, and musical instruments for high-fidelity sound reproduction.

Detailed and Complete Alternative Models

1. DAC7724: Similar to the DAC7725N but with 4-channel output capability.
2. DAC7741: A higher-resolution (16-bit) alternative with similar features and performance.
3. DAC7614: A lower-resolution (10-bit) alternative suitable for cost-sensitive applications.

These alternative models offer different resolutions, channel configurations, and price points to cater to diverse application requirements.

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