DAC7621EG4

Product Overview

Category: Digital-to-Analog Converter (DAC)

Use: The DAC7621EG4 is a high-performance, 12-bit digital-to-analog converter designed for various applications that require precise analog output generation. It converts digital input signals into corresponding analog voltage outputs.

Characteristics: - High resolution: 12-bit resolution provides fine-grained control over the analog output. - Fast conversion speed: The DAC7621EG4 can convert digital inputs to analog outputs at a rate of up to 1 MSPS (Mega Samples Per Second). - Low power consumption: This DAC operates with low power requirements, making it suitable for battery-powered devices. - Wide operating voltage range: The device can operate within a voltage range of 2.7V to 5.5V, allowing compatibility with different systems. - Small package size: The DAC7621EG4 is available in a compact package, enabling space-efficient designs. - Robustness: It offers excellent linearity and low glitch performance, ensuring accurate and reliable analog output generation.

Package: The DAC7621EG4 is available in a small form factor package, such as a 16-pin TSSOP (Thin Shrink Small Outline Package) or a 16-pin VQFN (Very Thin Quad Flat No-Lead) package.

Essence: The DAC7621EG4 is an essential component in systems requiring precise analog voltage generation from digital signals. It enables accurate control of analog outputs in various applications.

Packaging/Quantity: The DAC7621EG4 is typically sold in reels or tubes containing multiple units per package. The exact quantity may vary depending on the supplier.

Specifications

• Resolution: 12 bits
• Conversion Rate: Up to 1 MSPS
• Operating Voltage Range: 2.7V to 5.5V
• Power Consumption: Low power operation
• Package Type: 16-pin TSSOP or 16-pin VQFN
• Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The DAC7621EG4 features a 16-pin package with the following pin configuration:

1. VREFH: High reference voltage input
2. VREFL: Low reference voltage input
3. AGND: Analog ground
4. AOUT: Analog output voltage
5. SCLK: Serial clock input
6. DIN: Serial data input
7. SYNC: Synchronization input
8. DGND: Digital ground
9. NC: No connection (reserved)
10. NC: No connection (reserved)
11. NC: No connection (reserved)
12. NC: No connection (reserved)
13. NC: No connection (reserved)
14. NC: No connection (reserved)
15. DVDD: Digital power supply
16. AVDD: Analog power supply

Functional Features

• High-resolution digital-to-analog conversion
• Fast conversion speed for real-time applications
• Low power consumption for energy-efficient designs
• Wide operating voltage range for compatibility with different systems
• Excellent linearity and low glitch performance for accurate analog outputs

Advantages and Disadvantages

Advantages: - High resolution allows precise analog output generation. - Fast conversion speed enables real-time applications. - Low power consumption extends battery life in portable devices. - Wide operating voltage range enhances compatibility. - Compact package size facilitates space-efficient designs. - Robustness ensures accurate and reliable analog outputs.

Disadvantages: - Limited to 12-bit resolution, which may not be sufficient for some high-precision applications. - May require additional external components for specific system requirements.

Working Principles

The DAC7621EG4 operates based on the principle of digital-to-analog conversion. It accepts digital input signals and converts them into corresponding analog voltage outputs. The device utilizes an internal digital-to-analog converter circuitry, which accurately translates the digital input values into precise analog voltage levels.

The conversion process involves receiving digital input data through the serial data input (DIN) pin. The serial clock input (SCLK) synchronizes the data transfer. The synchronization input (SYNC) triggers the conversion process. The DAC7621EG4 then generates the analog output voltage (AOUT) based on the received digital input.

Detailed Application Field Plans

The DAC7621EG4 finds applications in various fields that require accurate analog voltage generation. Some potential application areas include:

1. Audio Systems: The DAC7621EG4 can be used in audio systems to convert digital audio signals into analog voltages for high-fidelity sound reproduction.
2. Industrial Automation: It enables precise control of analog outputs in industrial automation systems, such as motor control and process control.
3. Test and Measurement Equipment: The DAC7621EG4 is suitable for test and measurement equipment that requires accurate analog signal generation for calibration and