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DAC8228FSZ
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DAC8228FSZ

  • Category:DAC digital-to-analog converter
  • Product Name:Single-chip dual-channel 8-bit CMOS voltage output D/A converter
  • Manufacturers:ADI
  • Production Batch Number:15+
  • Encapsulation:20 ld PDIP
  • Stock Status:There is stock
  • Stock Quantity:2500
  • Minimum order quantity: 1
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  • Product introduction

Product details

DAC-8228是一款单芯片式双通道8位电压输出CMOS D/A转换器。设计用于安装于AD7528/7628插口之中,在硬盘驱动器等应用中无需使用两个外部运算放大器。一般情况下,这些应用以应用于VREF 的零伏特电压来驱动AD7528/7628,并将AGND偏置至+2.5V或+5V。DAC-8228已通过这些条件的测试。

DAC-8228也可用于要求单极性输出电压的应用。其输出电压范围为0V至+10V,VDD=+14V(最大输出电压为VDD-4V)。DAC-8228的基准输入可以接受0V至-10V的负电压(DAC的内部单位增益反相放大器使输入信号反相)。对于双极性应用,请选择DAC-8229。

DAC8228采用CerDIP和塑封封装,工作温度范围为-40°至+85°C扩展工业温度范围。要求军用温度范围的应用须使用DAC-8229。为了使DAC-8229与DAC-8228在引脚和功能上兼容,AGND A和AGND B应连接在一起以充当VZ,并将VSS连接至GND。

DAC-8228由2个CMOS电压输出放大器、2个高精度R-2R电阻梯形网络、接口控制逻辑和2个8位寄存器构成。一个内部调节器则可在整个VDD范围内维持TTL逻辑兼容性和快速微处理器接口时序性能。

DAC-8228功耗仅为90mW,采用20引脚0.3" DIP封装或20引脚SO表贴封装,有利于节省空间。尺寸小、功耗低、单位通道成本低等特性使其成为采用多个D/A转换器而又不牺牲电路板空间的应用的理想之选。部件数量减少后也有利于提升系统可靠性。

利用PMI先进的氧化物隔离、硅门极CMOS工艺,加上高度稳定的薄膜电阻梯形网络,使DAC-8228具有出色的DAC间匹配和温度跟踪能力。

andDAC8228FSZRelated ICs are:


Model Manufacturers lot number encapsulation illustrate
DAC8228FSZ-REEL ADI 15+ 20 ld PDIP Single-chip dual-channel 8-bit CMOS voltage output D/A converter
DAC8228FSZ ADI 15+ 20 ld PDIP Single-chip dual-channel 8-bit CMOS voltage output D/A converter

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