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AD7891BP-2

产品分类: ADC/DAC-专用型
厂牌: ANALOG DEVICES
产品描述: Parallel,Serial 单相供电 5V 5V 500Ksps 12bit 8 LCC 贴片安装 16.66mm*16.66mm*3.68mm
供应商型号: CY-AD7891BP-2
供应商: Avnet
标准整包数: 1
ANALOG DEVICES ADC/DAC-专用型 AD7891BP-2

AD7891BP-2概述

    Product Introduction
    The AD7891 is a high-performance, monolithic data acquisition system designed for demanding applications. It offers an 8-channel, 12-bit Analog-to-Digital Converter (ADC) integrated with a track/hold amplifier, a 2.5V internal reference, and both parallel and serial interface options. This component is ideal for data acquisition systems, motor control, mobile communication base stations, and various instrumentation applications.
    Technical Parameters
    | Parameter | Value | Notes |
    |
    | ADC Type | 12-bit
    | Conversion Time | 1.6 µs
    | Sample Rate | 454.5 kSPS (AD7891-1), 500 kSPS (AD7891-2)
    | Input Voltage Ranges | ±5V, ±10V (AD7891-1); 0-2.5V, 0-5V, ±2.5V (AD7891-2)
    | Power Dissipation (Normal Mode) | 82 mW (typical)
    | Power Dissipation (Standby Mode) | 75 µW (typical)
    | Interface Options | Parallel and Serial
    | Operating Temperature Range | -40°C to +85°C (A, B versions), -55°C to +105°C (Y version)
    Product Features and Advantages
    The AD7891 combines numerous advantages:
    1. Integration: All necessary components (multiplexer, ADC, reference, and track/hold) are on a single chip, reducing external circuit complexity.
    2. Speed: With a conversion time of 1.6 µs and high sample rates, it is well-suited for fast data acquisition tasks.
    3. Protection: Each channel has overvoltage protection, allowing stable operation even if unselected channels experience transient overvoltages.
    4. Flexibility: Supports multiple input ranges, making it versatile for different applications.
    5. Low Power Consumption: Efficient operation, particularly in standby mode (75 µW), is beneficial for portable and battery-powered devices.
    Application Cases and Usage Recommendations
    Applications:
    - Motor Control: The rapid response time makes it suitable for real-time monitoring of motor parameters.
    - Data Acquisition Systems: Suitable for industrial automation where precision and speed are critical.
    - Communication Systems: Handles high-frequency signals in mobile base stations effectively.
    Usage Recommendations:
    1. For optimal performance, ensure the supply voltage remains within ±5% of the nominal value.
    2. Use decoupling capacitors on REF OUT and REF GND to stabilize the reference voltage.
    3. When channel hopping, ensure adequate settling time (0.4 µs to 0.7 µs) for the track/hold stage to maintain accuracy.
    Compatibility and Support
    The AD7891 supports both parallel and serial interfaces, making it compatible with modern microprocessors, microcontrollers, and digital signal processors. The AD7891 series comes in two packages: MQFP (44-pin) and PLCC (44-pin).
    Analog Devices provides comprehensive support, including evaluation boards (EVAL-AD7891-1CB and EVAL-AD7891-2CB) and documentation to aid in implementation and troubleshooting.
    Common Issues and Solutions
    | Issue | Solution |

    | Incorrect conversion results | Verify supply voltages and ensure proper grounding. |
    | Poor resolution on certain input ranges

AD7891BP-2参数

参数
位数 -
供电类型 单相供电
通道数 8
电压-电源,模拟 5V
电压 - 电源,数字 5V
分辨率 12bit
采样率 500Ksps
接口类型 Parallel,Serial
长*宽*高 16.66mm*16.66mm*3.68mm
通用封装 LCC
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 管装

AD7891BP-2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。

AD7891BP-2数据手册

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ANALOG DEVICES ADC/DAC-专用型 ANALOG DEVICES AD7891BP-2 AD7891BP-2数据手册

AD7891BP-2封装设计

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价格梯度 中国香港交货 内地交货(含增值税)
1+ $ 27.8162 ¥ 208.4185
库存: 2078
起订量: 5 增量: 1
交货地:
最小起订量为:1
合计: ¥ 208.41
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