AD977AR

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AD977AR

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IC ADC 16BIT SAR 20SOIC

  • Nhà sản xuấtCông ty Analog Devices Inc.

  • Ông. Phần #AD977AR

  • Bảng dữ liệu AD977AR DataSheet

  • Có sẵn9760

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Thông số kỹ thuật

thuộc tính Giá trị
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

Tổng quan

Description

The AD977AR is a high-performance digital-to-analog converter (DAC) produced by Analog Devices. It is designed for applications requiring high-speed and high-resolution signal conversion. Operating with a 14-bit resolution, the AD977AR provides excellent linearity and low distortion, making it suitable for telecommunications, instrumentation, and other data acquisition systems.
Key features include a maximum update rate of 130 MSPS, a differential output that supports a wide dynamic range, and an integrated 1.25V reference voltage for accurate performance. The device also supports a single-supply operation, simplifying system design.
With a low glitch energy and fast settling time, the AD977AR is ideal for generating complex waveforms. It comes in a compact package, facilitating integration into space-constrained designs. Overall, the AD977AR is an optimal choice for engineers seeking a robust and efficient DAC solution for high-speed applications.

Equivalent

The AD977AR is a 14-bit, 80 MSPS DAC. Equivalent products include the DAC8811 from Texas Instruments, the MAX5169 from Maxim Integrated, and the LTC1668 from Analog Devices. These alternatives also feature high-speed performance and comparable resolution. Always check the specific datasheets for detailed specifications and compatibility for your application.

Features

The AD977AR is a dual-channel, high-speed digital-to-analog converter (DAC) designed for various applications, including telecommunications and data acquisition systems. Key features include:
1. Resolution: 14-bit resolution, providing fine output granularity.
2. Sampling Rate: Supports up to 130 MSPS (mega samples per second), enabling high-speed signal processing.
3. Output Range: Dual output ranges, typically ±10V or 0-5V, adaptable for different applications.
4. Differential Outputs: Features differential outputs that enhance performance in noise-sensitive applications.
5. Low Glitch Energy: Minimizes unwanted transients during switching, improving signal integrity.
6. Integrated Voltage Reference: Built-in reference simplifies design and reduces external component count.
7. Parallel Interface: Supports a parallel data interface for straightforward integration with digital systems.
8. Power Consumption: Low power consumption, making it suitable for portable and energy-efficient designs.
Overall, the AD977AR is optimized for high-performance applications requiring precision and speed in signal conversion.

Pinout

The AD977AR is a 14-bit digital-to-analog converter (DAC) from Analog Devices. It has a pin count of 28 pins.
Key functions of the AD977AR include:
1. Data Input: Accepts parallel data input through a 14-bit word.
2. Reference Voltage: Provides a reference voltage input for setting the output range.
3. Clock Input: A clock input to synchronize the data conversion process.
4. Output: Produces an analog output signal corresponding to the digital input.
5. Control Signals: Includes pins for control signals like chip select (CS), write (WR), and read (RD) for managing data loading and conversion.
6. Power Supply: Requires power supply inputs for operation (typically +5V and -5V).
This DAC is commonly used in applications requiring high-resolution analog signals, such as telecommunications and instrumentation.

Manufacturer

The AD977AR is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in data conversion, signal processing, and analog technology. Founded in 1965 and headquartered in Norwood, Massachusetts, the company is known for its high-performance integrated circuits used in various applications, including communications, automotive, industrial, and consumer electronics. Analog Devices focuses on innovation in areas such as analog-to-digital converters, digital-to-analog converters, amplifiers, and sensors, catering to a wide range of industries and enabling advanced functionality in electronic devices.

Application

The AD977AR is a high-speed, digital-to-analog converter (DAC) typically used in telecommunications, signal processing, and waveform generation. Key application areas include:
1. Telecommunications: For generating high-quality analog signals in modems and transmitters.
2. Signal Processing: In software-defined radios and medical imaging systems.
3. Instrumentation: For precise control in automated test equipment.
4. Audio Applications: In high-fidelity audio systems for sound reproduction.
5. Industrial Automation: For controlling processes and machinery through analog output.
Its high resolution and speed make it suitable for any application requiring precise analog signal generation.

Package

The AD977AR is packaged in a 28-lead plastic surface mount package (SOIC).

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