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AD7824TQ/883B

产品分类: 模数转换器(ADC)
厂牌: ANALOG DEVICES
产品描述: 100Ksps 8bit Parallel Voltage Semiflash DIP 通孔安装
供应商型号:
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标准整包数: 0
ANALOG DEVICES 模数转换器(ADC) AD7824TQ/883B

AD7824TQ/883B概述

    High-Speed Multichannel 8-Bit ADCs: The AD7824/AD7828
    1. Product Introduction
    The AD7824 and AD7828 from Analog Devices are high-speed, multichannel 8-bit Analog-to-Digital Converters (ADCs) designed to handle multiple analog input signals efficiently. These devices offer either four (AD7824) or eight (AD7828) multiplexed analog input channels, enabling simultaneous conversion across multiple channels. Their primary function is to convert analog signals into digital form for processing by microprocessors, making them ideal for real-time data acquisition systems.
    Key features include:
    - Built-in track-and-hold functionality.
    - Support for signal handling rates of up to 10 kHz per channel.
    - Single 5 V power supply operation.
    - Low power consumption (typically 50 mW).
    - Fast conversion rates (2.5 µs per channel).
    These ADCs are widely applicable in fields such as industrial automation, data acquisition systems, instrumentation, and telecommunications.
    2. Technical Parameters
    The following technical specifications outline the key performance indicators of the AD7824/AD7828:
    | Parameter | AD7824/AD7828 |

    | Resolution | 8 bits |
    | Total Unadjusted Error | ±1/2 LSB |
    | Conversion Rate | 2.5 µs/channel |
    | Operating Temperature Range | –55°C to +125°C |
    | Supply Voltage | 5 V ±5% |
    | Input Voltage Range | 0 V to 5 V |
    | Power Dissipation | 50 mW typical, 80 mW max |
    | Analog Input Capacitance | 45 pF |
    Other notable features include:
    - Single 5 V supply reduces complexity in power management.
    - Built-in tracking and holding ensures seamless analog-to-digital conversion.
    - Supports various temperature grades, ensuring reliability in extreme environments.
    3. Product Features and Advantages
    The AD7824/AD7828 offer several unique advantages over traditional ADC solutions:
    1. Multichannel Capability: The 4-channel (AD7824) and 8-channel (AD7828) options allow for compact, space-efficient designs without sacrificing performance.
    2. Fast Conversion Rates: With conversion times of 2.5 µs per channel, these ADCs support sampling frequencies up to 50 kHz (AD7828) and 100 kHz (AD7824), ideal for high-speed applications.
    3. Inbuilt Track-and-Hold Functionality: Eliminates the need for external sampling circuits, simplifying system design.
    4. Low Power Consumption: Consumes only 50 mW under normal operating conditions, making it suitable for battery-powered and portable systems.
    5. Tight Error Specifications: Minimizes need for post-conversion calibration, reducing costs and complexity.
    6. Ease of Integration: The straightforward digital interface facilitates integration with common microprocessors, minimizing external components.
    These features position the AD7824/AD7828 as a competitive solution in applications demanding high performance, low power, and small footprint.
    4. Application Case Studies and Usage Recommendations
    The AD7824/AD7828 find extensive use in scenarios requiring simultaneous multichannel data acquisition. For instance:
    - Data Acquisition Systems (DAS): Monitoring multiple environmental parameters like temperature, pressure, and humidity.
    - Industrial Automation: Real-time monitoring of production processes and machinery diagnostics.
    - Telecommunications: Signal conditioning and preprocessing in RF communication systems.
    Usage Recommendations:
    - Optimal Source Impedance: To ensure accurate readings, limit the source impedance of the analog input to 100 Ω.
    - Reference Voltage Management: Use a stable 5 V reference voltage; consider external references for enhanced precision.
    - Thermal Considerations: Monitor operating temperatures to prevent overheating, espec

AD7824TQ/883B参数

参数
分辨率 8bit
接口类型 Parallel
架构 Semiflash
采样率 100Ksps
信噪比 -
输入类型 Voltage
通道数 -
电压-电源,模拟 -
位数 -
电压 - 电源,数字 -
32.51mm(Max)
7.87mm(Max)
3.56mm(Max)
通用封装 DIP
安装方式 通孔安装
应用等级 军用级

AD7824TQ/883B厂商介绍

Analog Devices(简称ADI)是一家全球领先的半导体公司,专注于模拟、混合信号和数字信号处理(DSP)集成电路(IC)的设计、制造和营销。公司成立于1965年,总部位于美国马萨诸塞州的诺伍德。

ADI的主营产品主要分为以下几类:
1. 数据转换器:包括模数转换器(ADC)和数模转换器(DAC),广泛应用于通信、工业、医疗等领域。
2. 放大器和比较器:提供各种高性能放大器和比较器产品,用于信号放大、滤波和比较等。
3. 射频(RF)和微波产品:包括射频收发器、混频器、放大器等,应用于无线通信、**等领域。
4. 电源管理:提供电源转换、电源管理等解决方案,满足各种电源需求。
5. 接口和通信:包括以太网、串行通信等接口产品,用于数据传输和通信。
6. 处理器和DSP:提供高性能处理器和数字信号处理器,用于复杂信号处理和控制。

ADI的优势在于其在模拟和混合信号领域的深厚技术积累,以及对客户需求的深刻理解。公司不断推出创新产品,满足客户在各种应用场景下的需求,如5G通信、自动驾驶、工业自动化等。此外,ADI还提供全面的技术支持和定制化服务,帮助客户实现产品快速上市。

AD7824TQ/883B数据手册

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ANALOG DEVICES 模数转换器(ADC) ANALOG DEVICES AD7824TQ/883B AD7824TQ/883B数据手册

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