AD7678ASTZ

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AD7678ASTZ

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IC ADC 18BIT SAR 48LQFP

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사양

속성 가치
Series PulSAR®
Part Status Active
Base Product Number AD7678
Number of Bits 18
Sampling Rate (Per Second) 100k
Number of Inputs 1
Input Type Differential
Data Interface SPI, Parallel, DSP
Configuration S/H-ADC
Ratio - S/H:ADC 1:1
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 48-LQFP
Supplier Device Package 48-LQFP (7x7)
Mounting Type Surface Mount
Packaging Tray

개요

Description

The AD7678ASTZ is an Analog Devices precision analog-to-digital converter (ADC) known for its high-speed and high-resolution capabilities. This device is a 16-bit, successive approximation register (SAR) ADC that operates at a maximum sampling rate of 500 kSPS (kilosamples per second). It is designed for use in a wide range of applications, including industrial automation, medical instruments, and data acquisition systems, where precision and accuracy are critical.
The AD7678ASTZ features a differential input, low power consumption, and a wide dynamic range, making it suitable for capturing a wide variety of signal types with high fidelity. It offers excellent performance with low total harmonic distortion (THD) and low noise. The ADC interfaces with microcontrollers or digital signal processors (DSPs) via a standard SPI or a parallel interface, providing design flexibility.
Its small package size and robust performance parameters allow it to be used in compact, high-performance systems. The AD7678ASTZ is commonly praised for its reliability and consistency, attributes necessary for demanding real-world analog signal processing applications.

Equivalent

The AD7678ASTZ is an Analog Devices 16-bit, 100 kSPS, differential input PulSAR ADC. Equivalent products from other manufacturers include the LTC1865 (Analog Devices/Linear Technology), ADS8320 (Texas Instruments), and the MAX195 (Maxim Integrated). These alternatives offer similar specifications such as resolution, input type, and sampling rate. However, always check the specific datasheets for detailed matching of specifications such as power supply, interface, and package type to ensure compatibility with your application.

Features

The AD7678ASTZ is a high-performance analog-to-digital converter (ADC) developed by Analog Devices. Key features of this component include:
1. Resolution and Speed: It offers a 16-bit resolution with a 1 MSPS (mega-samples per second) sampling rate, making it suitable for high-precision applications.
2. Architecture: This ADC utilizes successive approximation register (SAR) architecture, which ensures fast and accurate conversions with minimal latency.
3. Input Range: The AD7678ASTZ supports a differential input range and provides excellent dynamic range performance.
4. Power Consumption: It is designed for low power consumption, making it suitable for battery-powered or portable devices.
5. Digital Interface: The ADC features a SPI-compatible serial interface for easy integration with microcontrollers and DSPs, facilitating straightforward data transfer.
6. Package and Temperature Range: It comes in a compact TQFP (Thin Quad Flat Package) and operates over an extended temperature range, enhancing its versatility in various environments.
These features make the AD7678ASTZ ideal for applications requiring precise and fast data acquisition, such as instrumentation, medical devices, and industrial control systems.

Pinout

The AD7678ASTZ is a 16-bit, 100 kSPS, charge redistribution successive approximation register (SAR) analog-to-digital converter (ADC) from Analog Devices. It comes in a 48-lead LQFP package.
Key functions of the AD7678ASTZ include:
- 16-bit resolution for precise measurements.
- Up to 100 kSPS sampling rate for capturing fast signals.
- Single-supply operation.
- Low power consumption, making it suitable for battery-powered devices.
- Various digital interface options, including serial and parallel, for flexible connectivity.
The ADC is used in applications that require high precision and low power, such as data acquisition systems, medical instruments, and industrial controls.

Manufacturer

The AD7678ASTZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational company specializing in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company focuses on a wide range of applications including industrial, automotive, communication, healthcare, and consumer electronics. Founded in 1965, Analog Devices is known for its commitment to innovation and quality in the field of semiconductor technology, providing solutions that bridge the physical and digital worlds.

Application

The AD7678ASTZ is an 18-bit, 800 kSPS, successive approximation register (SAR) analog-to-digital converter (ADC). Its application areas include precision data acquisition systems, medical instrumentation, industrial process control, and automated test equipment. It is well-suited for tasks requiring high accuracy and fast sampling rates, such as digitizing analog signals for digital processing. The ADC's high resolution and low noise make it ideal for applications needing precise measurements, like spectroscopy, seismic monitoring, and digital imaging. Additionally, its compact size and low power consumption are advantageous for portable and battery-operated devices.

Package

The AD7678ASTZ is an analog-to-digital converter from Analog Devices with a package type of TQFP (Thin Quad Flat Package). This package features 48 pins and is designed for surface mounting on printed circuit boards.

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