AD7390AN

Product Overview

Category: Integrated Circuit (IC)

Use: The AD7390AN is a digital-to-analog converter (DAC) IC that converts digital signals into analog voltage outputs. It is commonly used in various electronic devices and systems where precise analog voltage generation is required.

Characteristics: - High resolution: The AD7390AN offers a resolution of 12 bits, allowing for fine-grained control over the generated analog voltage. - Low power consumption: This IC operates at low power levels, making it suitable for battery-powered applications. - Fast settling time: The AD7390AN has a fast settling time, enabling rapid response to changes in the digital input. - Wide operating voltage range: It can operate within a wide voltage range, typically between 2.7V and 5.5V. - Small package size: The AD7390AN is available in a compact package, making it suitable for space-constrained designs.

Package and Quantity: The AD7390AN is packaged in a 16-lead narrow-body SOIC (Small Outline Integrated Circuit) package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Resolution: 12 bits
• Operating Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0V to Vref
• Settling Time: <10µs
• Power Consumption: <1mW
• Package Type: 16-lead SOIC

Pin Configuration

The AD7390AN has 16 pins arranged as follows:

```

---

| | --|o |-- VDD --| | --| |-- GND --| | --| |-- REFOUT --| | --| |-- AGND --| | --| |-- VOUT --| | --| |-- DIN --| | --| |-- SCLK --| | --| |-- CS --| | --|_______|-- LDAC ```

Functional Features

• High-resolution digital-to-analog conversion.
• Fast and accurate settling time for precise analog voltage generation.
• Low power consumption, suitable for battery-powered applications.
• Wide operating voltage range for flexibility in various systems.
• Small package size for space-constrained designs.

Advantages and Disadvantages

Advantages: - High resolution allows for fine-grained control over the generated analog voltage. - Fast settling time enables rapid response to changes in the digital input. - Low power consumption makes it suitable for battery-powered applications. - Wide operating voltage range provides flexibility in system design. - Compact package size allows for space-efficient integration.

Disadvantages: - Limited output voltage range (0V to Vref) may not be suitable for applications requiring higher voltage outputs. - Requires external reference voltage for proper operation.

Working Principles

The AD7390AN operates by converting digital input signals into corresponding analog voltage outputs. It utilizes a 12-bit digital-to-analog conversion technique to achieve high-resolution voltage generation. The digital input is processed internally, and the resulting analog voltage is available at the VOUT pin.

Application Field Plans

The AD7390AN finds application in various fields where precise analog voltage generation is required. Some potential application areas include: - Audio equipment: Used for volume control, tone adjustment, and audio signal processing. - Industrial automation: Provides analog control signals for motor speed control, valve positioning, and sensor calibration. - Test and measurement instruments: Used for generating precise analog test signals and calibration references. - Communication systems: Provides analog voltage outputs for modulation, demodulation, and signal conditioning.

Alternative Models

• AD7391: Similar to the AD7390AN, but with a higher resolution of 14 bits.
• AD5621: A 12-bit DAC IC with similar characteristics and package options.
• MCP4921: Another 12-bit DAC IC with comparable features and package options.

These alternative models can be considered based on specific requirements and compatibility with the target system.

In conclusion, the AD7390AN is a high-resolution digital-to-analog converter IC that offers fast settling time, low power consumption, and wide operating voltage range. It finds application in various fields such as audio equipment, industrial automation, test and measurement instruments, and communication systems. The IC's compact package and availability of alternative models make it suitable for diverse design requirements.