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AD5421CREZ-RL
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AD5421CREZ-RL

  • 所属类别：DAC数模转换器
  • 产品名称：16位、串行输入、环路供电、4MA至20MA DAC
  • 厂商：ADI
  • 生产批号：15+
  • 封装：32 ld LFCSP
  • 库存状态：有库存
  • 库存量：2500
  • 最低订购量：1
  • 详细资料：点击查找AD5421CREZ-RL的pdf资料
  • 点击询价
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  • Product Introduction

Advantages and features:

  • 16位分辨率和单调性
  • 引脚可选的NAMUR兼容范围
    - 4mA 至20mA
    - 3.8mA 至21mA
    - 3.2mA 至24mA
  • NAMUR 兼容报警电流
    下限报警电流 = 3.2 mA
    上限报警电流 = 22.8mA/24mA
  • 总不可调整误差(TUE)：0.05%（最大值）
  • 积分非线性(INL)误差：0.0035% FSR（最大值）
  • 输出温度系数：3 ppm/°C（典型值）
  • 静态电流：300 μA（最大值）
  • 欲了解更多特性，请参考数据手册

Product classification

Interfaces and isolation

  • HART modem

Digital-to-analog converters (DACs)

Product Details:

AD5421是一款完整的环路供电型4 mA-20 mADigital-to-analog converters(DAC)，专为满足工业控制领域智能发射器制造商的需求而设计。作为一种完全集成的高精度、低成本解决方案，该器件采用紧凑型TSSOP和LFCSP封装。

The AD5421 has a built-in regulated output to power itself and other devices in the transmitter. This regulator provides a regulated output voltage from 1.8 V to 12 V. The device also has built-in 1.22 V and 2.5 V references, eliminating the need for discrete regulators and references.

The AD5421 can be used in conjunction with standard HART® FSK protocol communication circuits without compromising rated performance. The high-speed serial interface is capable of operating at 30 MHz and allows for simple connection to commonly used microprocessors and microcontrollers via an SPI-compliant three-wire interface.

The AD5421 guarantees 16-bit monotonicity. Under typical conditions, the integration nonlinearity is 0.0015%, the offset error is 0.0012%, and the gain error is 0.0006%.

It is available in a 28-pin TSSOP package and is rated for a temperature range of −40°C to +105°C industrial temperatures.


apply
- 工业过程控制
- 4mA至20mA环路供电发射器
- 智能发射器
- HART网络连接

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