AD977AR

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AD977AR

IC ADC 16BIT SAR 20SOIC

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規格

Part Status Obsolete
Number of Bits 16
Sampling Rate (Per Second) 100k
Number of Inputs 1
Input Type Single Ended
Data Interface SPI
Configuration ADC
Number of A/D Converters 1
Architecture SAR
Reference Type External, Internal
Voltage - Supply, Analog 5V
Voltage - Supply, Digital 5V
Operating Temperature -40°C ~ 85°C
Package / Case 20-SOIC (0.295", 7.50mm Width)
Supplier Device Package 20-SOIC
Mounting Type Surface Mount
Base Product Number AD977

概述

Description

The AD977AR is a high-performance digital-to-analog converter (DAC) designed by Analog Devices. It features a 14-bit resolution, enabling precise signal conversion for various applications. The device operates at a maximum sample rate of 105 MSPS, making it suitable for high-speed communication and signal processing tasks.
The AD977AR offers excellent linearity and distortion performance, ensuring accurate signal representation. It supports differential output, which helps minimize noise and improve signal integrity. The DAC includes a built-in reference voltage and is optimized for use in RF and baseband applications, such as wireless communication systems, instrumentation, and consumer electronics.
Additionally, the AD977AR is equipped with a parallel interface for easy integration into digital systems. Its robust architecture and performance characteristics make it a reliable choice for engineers looking to implement high-quality analog outputs in their designs.

Features

The AD977AR is a dual-channel, 12-bit digital-to-analog converter (DAC) designed for high-performance applications. Key features include:
1. 12-bit Resolution: Provides excellent dynamic range and linearity.
2. High Speed: Capable of 105 MSPS (Mega Samples Per Second), suitable for high-speed applications.
3. Dual Channels: Supports simultaneous output on two channels, ideal for stereo or multi-channel systems.
4. Low Power Consumption: Operates at low power, making it suitable for portable and battery-powered devices.
5. Single Supply Operation: Typically powered by a single +5V supply, simplifying system design.
6. Integrated Voltage Reference: Offers an internal reference for stable output performance.
7. Programmable Output Voltage Range: Allows flexibility in application requirements.
8. TTL/CMOS Compatible Inputs: Ensures easy interfacing with digital systems.
These features make the AD977AR suitable for applications in telecommunications, audio, and instrumentation systems where precision and speed are critical.

Package

The AD977AR is packaged in a 28-lead DIP (Dual In-line Package) format.

Pinout

The AD977AR is a high-speed digital-to-analog converter (DAC) from Analog Devices. It features a 28-pin SSOP (Shrink Small Outline Package) configuration.
Pin Count: 28 pins.
Key Functions:
1. Digital Inputs: Accepts a 10-bit parallel data input.
2. Clock Input: Synchronizes data with a clock signal for conversion.
3. Control Pins: Includes various control signals for operation modes, such as load and reset functionalities.
4. Reference Voltage Input: Provides an external reference for output voltage scaling.
5. Output Pins: Delivers analog output voltage corresponding to the digital input.
6. Power Supply Pins: Supplies power to the device, typically including both analog and digital ground connections.
This DAC is widely used in applications requiring high-speed and high-resolution signal generation, including communications and waveform generation systems.

Manufacturer

The AD977AR is manufactured by Analog Devices, Inc. Analog Devices is a multinational company specializing in semiconductor technology, particularly in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company is known for its innovative solutions in various applications such as communications, instrumentation, automotive, and industrial automation. Analog Devices focuses on providing high-quality products that enable the efficient processing of real-world signals in a wide range of electronic devices.

Application

The AD977AR is a high-speed digital-to-analog converter (DAC) primarily used in applications such as telecommunications, signal processing, and instrumentation. It is suitable for audio and video applications, software-defined radios, and data acquisition systems. Its ability to handle high frequencies makes it ideal for radar and imaging systems, as well as in test and measurement equipment.

Equivalent

The AD977AR is a dual 14-bit digital-to-analog converter (DAC) from Analog Devices. Equivalent products include the DAC5682Z, AD9744, and AD9753, which also offer high-resolution DAC capabilities. For specific applications, consider alternatives like the MAX5088 or LTC1553, depending on required features and specifications. Always verify compatibility with your system requirements.

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