AD7839AS

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AD7839AS

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IC DAC 13BIT OCTAL V-OUT 44-MQFP

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規格

屬性 價值
Part Status Obsolete
Digi Key Programmable Not Verified
Package / Case 44-QFP
Supplier Device Package 44-MQFP (10x10)
Mounting Type Surface Mount
Base Product Number AD7839

概述

Description

The AD7839AS is a high-performance, 16-bit digital-to-analog converter (DAC) designed by Analog Devices. It features a parallel interface for easy integration into digital systems, making it suitable for applications requiring precise analog output. Operating with a supply voltage range of +2.7V to +5.5V, it supports a wide range of input signals.
Key features include a fast settling time of typically 2 µs, low distortion, and low noise performance, making it ideal for audio, instrumentation, and control applications. The DAC includes an internal voltage reference, simplifying design complexity by reducing external component requirements.
Additionally, the AD7839AS supports various output configurations, including buffered or unbuffered modes, allowing flexibility in application design. With its combination of accuracy, speed, and user-friendly interface, the AD7839AS is a versatile choice for engineers looking to convert digital signals into high-quality analog outputs efficiently.

Equivalent

The AD7839AS is a 12-bit, ultra-low power, dual-channel digital-to-analog converter (DAC). Equivalent products include the AD5541, LTC1668, and MCP4822. These alternatives offer similar specifications in terms of resolution, power consumption, and dual-channel capabilities. Always check datasheets for specific application requirements and compatibility.

Features

The AD7839AS is a 12-bit digital-to-analog converter (DAC) designed for high-performance applications. Key features include:
1. Resolution: 12-bit resolution, allowing for 4096 discrete levels.
2. Input Format: Accepts both serial (SPI) and parallel input formats.
3. Output Range: Voltage output ranging from 0 to VREF with a typical reference voltage of 2.5V.
4. Settling Time: Fast settling time of approximately 10 µs, enabling swift output changes.
5. Low Power Consumption: Operates with low power requirements, ideal for battery-operated devices.
6. Temperature Range: Specified for operation over a wide temperature range (-40°C to +85°C).
7. Integrated Reference: Includes an internal reference voltage, simplifying design considerations.
8. Multiple DACs: Capable of being used in systems requiring multiple DACs for simultaneous outputs.
9. Package Options: Available in various packages, including a 28-lead DIP for versatile integration.
These features make the AD7839AS suitable for applications in telecommunications, instrumentation, and process control.

Pinout

The AD7839AS is a 12-bit digital-to-analog converter (DAC) with a total of 28 pins. It features a parallel interface for data input and includes several key functions:
1. Data Input: The DAC can accept 12 bits of data, which are loaded into the converter.
2. Reference Voltage Input: It requires an external reference voltage for output scaling.
3. Output: The device produces an analog output voltage proportional to the digital input.
4. Power and Ground Pins: These provide necessary power supply connections and grounding.
5. Control Pins: It includes pins for enabling the DAC and controlling its operation mode.
The AD7839AS is suitable for applications requiring precise voltage output, such as waveform generation and signal conditioning.

Manufacturer

The AD7839AS is manufactured by Analog Devices, Inc. Analog Devices is a prominent multinational company that specializes in designing and manufacturing analog, mixed-signal, and digital signal processing integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, the company is well-known for its high-performance components used in various applications such as communications, instrumentation, automotive, industrial, and consumer electronics.
Analog Devices focuses on providing innovative solutions that enable the processing and transmission of data in real-time. Its product portfolio includes amplifiers, converters, sensors, and reference designs, among others. The company plays a crucial role in several high-tech industries by offering products that enhance performance and efficiency in electronic systems. Analog Devices is recognized for its commitment to quality and reliability, serving a global customer base in diverse fields.

Application

The AD7839AS is a low-power, 12-bit digital-to-analog converter (DAC) primarily used in applications requiring precise analog output. Key application areas include:
1. Signal Generation: Used in waveform generation for audio, video, and communication systems.
2. Industrial Control: Employed in process control systems for outputting set points or control signals.
3. Instrumentation: Utilized in measurement systems for calibration and data acquisition.
4. Consumer Electronics: Integrated into devices for audio and signal processing.
5. Embedded Systems: Common in microcontroller-based applications for control and automation tasks.
Its low power consumption and precision make it suitable for battery-powered and portable devices.

Package

The AD7839AS is packaged in a 28-lead SOIC (Small Outline Integrated Circuit) form factor.

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