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AD7716BS

产品分类: 电压频率转换器
厂牌: ANALOG DEVICES
产品描述: 双相供电 QFP 贴片安装 10mm*10mm*2.45mm
供应商型号:
供应商:
标准整包数: 0
ANALOG DEVICES 电压频率转换器 AD7716BS

AD7716BS概述

    Product Introduction
    The AD7716 is a high-performance 22-bit sigma-delta analog-to-digital converter (ADC) designed for data acquisition systems. With its LC2MOS technology, it offers precision and flexibility, making it ideal for applications such as biomedical data acquisition, ECG machines, EEG machines, process control, high-accuracy instrumentation, and seismic systems. The device processes four channels with bandwidths up to 584 Hz, providing exceptional dynamic range and resolution.
    Technical Parameters
    Here are the key technical specifications of the AD7716:
    - Resolution: 22 bits
    - Input Range: ±2.5 V
    - Power Supplies:
    - AVDD/DVDD: 4.75 V to 5.25 V
    - AVSS: –4.75 V to –5.25 V
    - Dynamic Performance:
    - Sampling Rate: Up to 570 kHz (for fCLKIN = 8 MHz)
    - Output Update Rate: Programmable (from 2232 Hz to 140 Hz)
    - Usable Dynamic Range: 111 dB to 99 dB (dependent on cutoff frequency)
    - Total Harmonic Distortion: –90 dB typical (input frequency = 35 Hz)
    - Digital Interface: 5-line serial I/O (SDATA, SCLK, RFS, TFS, DRDY)
    - Power Consumption: 50 mW max
    - Operating Temperature Range: –40°C to +85°C
    Product Features and Advantages
    The AD7716 boasts several unique features and advantages:
    - Sigma-Delta Technology: Delivers high-resolution and excellent dynamic performance.
    - Programmable Digital Filter: Offers five selectable cutoff frequencies from 584 Hz to 36.5 Hz, allowing flexible system configuration.
    - Ease of Integration: Linear phase response ensures minimal distortion, and twos complement coding simplifies interfacing with digital signal processors (DSPs) and microcomputers.
    - Wide Input Range: ±2.5 V input range supports a broad spectrum of analog signals.
    - Low Power Consumption: Operates efficiently at just 50 mW, making it suitable for battery-powered applications.
    - Compatibility: Available in both PLCC and PQFP packages, providing flexibility for various board designs.
    Application Cases and Usage Recommendations
    The AD7716 is commonly employed in advanced biomedical instruments like ECG and EEG machines, where high accuracy and real-time processing are critical. For example, in an ECG system, the AD7716 can be used to capture heart signals with high precision, ensuring reliable diagnostic outcomes. To optimize performance:
    - Ensure proper grounding and shielding to minimize noise interference.
    - Calibrate the filter cutoff frequency based on the specific application requirements to achieve the desired dynamic range and resolution.
    - Use external components such as resistors and capacitors to fine-tune input impedance and bandwidth.
    Compatibility and Support
    The AD7716 is compatible with a wide range of electronic systems, especially those requiring high-resolution data acquisition. It can easily integrate with microcontrollers and DSPs through its serial interface. Analog Devices provides comprehensive support, including datasheets, application notes, and customer support services, ensuring seamless implementation and maintenance.
    Common Issues and Solutions
    Here are some common issues users might face along with their solutions:
    - Issue: Poor signal quality due to improper filtering.
    - Solution: Adjust the filter cutoff frequency in the control register to match the application's bandwidth requirements.

    - Issue: Data transmission errors.
    - Solution: Verify the integrity of the serial communication lines and ensure all timing parameters are met as per the datasheet.
    - Issue: High power consumption.
    - Solution: Check if all unused pins are properly grounded or connected to the appropriate power rails to minimize unnecessary current draw.
    Conclusion and Recommendation
    The AD7716 is an outstanding choice for high-precision data acquisition applications requiring a balance of accuracy, flexibility, and low power consumption.

AD7716BS参数

参数
满量程频率 -
积分非线性 -
最大工作供电电压 -
最小工作供电电压 -
供电类型 双相供电
长*宽*高 10mm*10mm*2.45mm
通用封装 QFP
安装方式 贴片安装
应用等级 工业级
零件状态 停产
包装方式 袋装

AD7716BS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。

AD7716BS数据手册

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