AD7391ANZ

Product Overview

Category

AD7391ANZ belongs to the category of digital-to-analog converters (DACs).

Use

The AD7391ANZ is used to convert digital signals into analog voltages. It finds applications in various electronic systems where precise analog voltage generation is required.

Characteristics

• High resolution: The AD7391ANZ offers a resolution of 12 bits, allowing for fine-grained control over the generated analog voltage.
• Low power consumption: This DAC operates at low power levels, making it suitable for battery-powered devices.
• Fast settling time: The AD7391ANZ provides fast settling times, ensuring quick response in dynamic applications.
• Wide operating voltage range: It can operate within a wide voltage range, accommodating different system requirements.

Package and Quantity

The AD7391ANZ is available in a small outline integrated circuit (SOIC) package. It is typically sold in reels containing a specified quantity of units.

Specifications

• Resolution: 12 bits
• Supply Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Output Voltage Range: 0V to Vref
• DNL (Differential Non-Linearity): ±1 LSB (max)
• INL (Integral Non-Linearity): ±1 LSB (max)

Pin Configuration

The AD7391ANZ has a total of 8 pins. The pin configuration is as follows:

```

---

| | --|VDD VREF|-- Vref --|GND AGND|-- Ground --|SDI SDO|-- Serial Data Input/Output --|SCLK CS |-- Serial Clock/Input Chip Select |_______| ```

Functional Features

• Serial Interface: The AD7391ANZ utilizes a serial interface for communication with the microcontroller or other digital devices.
• Power-On Reset: It includes a power-on reset circuitry that ensures proper initialization upon power-up.
• Output Buffer: The DAC output is buffered, providing a low impedance source for driving external loads.

Advantages

• High resolution allows for precise analog voltage generation.
• Low power consumption makes it suitable for portable and battery-powered applications.
• Fast settling time enables quick response in dynamic systems.
• Wide operating voltage range accommodates different system requirements.

Disadvantages

• Limited output voltage range may not be suitable for applications requiring higher voltages.
• Lack of built-in reference voltage source may require an external reference.

Working Principles

The AD7391ANZ operates by converting digital input data into corresponding analog voltages. It uses an internal digital-to-analog conversion technique to generate the desired output voltage based on the provided digital input.

Application Field Plans

The AD7391ANZ finds applications in various fields, including: 1. Industrial automation: Precise analog voltage generation for control systems. 2. Audio equipment: Digital-to-analog conversion for audio signal processing. 3. Instrumentation: Generating analog signals for testing and measurement purposes. 4. Communication systems: Analog voltage generation for modulation and demodulation processes.

Alternative Models

1. AD7303: 8-bit DAC with similar features but lower resolution.
2. AD5621: 12-bit DAC with improved specifications and additional features.
3. AD5660: 16-bit DAC offering higher resolution for demanding applications.

In conclusion, the AD7391ANZ is a 12-bit digital-to-analog converter that provides high-resolution analog voltage generation. With its low power consumption, fast settling time, and wide operating voltage range, it finds applications in various fields such as industrial automation, audio equipment, instrumentation, and communication systems.

Word count: 342