• PCB question of AD5543

    Hello everyone:

    There is a qusetion about 16 Bits DAC AD5543.It is described that "The PCB metal traces between VREF and RFB must also be matched to minimize gain error"in the data sheet. So,how to do it?What should i do to make them matched…

  • Using AC reference with AD5543

    I'm planing to use an  AC signal (10Vp-p without DC bias) as Vref. But haven't seen any doc mentioned this. The most similar one is  "Multiplying DACs—AC-Arbitrary Reference Applications", but the 'AC references' mentioned in it's examples are all…

  • AD5543使用交流基准

    我打算使用10V峰峰值的交流信号做AD5543的基准。但是目前找到的ADI的所有资料都是使用的正电平(即使是正弦波也是加了正偏置的)做其基准。所以想确认下,能不能用无偏置的正弦信号做其基准,如果可以,与固定电平基准配置相比,要额外注意些什么?

  • AD5543输出有规律跳变

    我使用AD5543设计一个DA电路,电路形式采用数据包里的双极型电流源。

    输出用了个2.5K的电阻作为负载,测试两端电压变化。测试时发现了个奇怪的现象,改变输入时,输出电压不是按照预想的增幅增加而是出现了有规律的跳变。2个正常--两个不正常--一个正常--三个不正常,而且没有增加够的差值会在后面某一处补齐。例如:本来间距64应该每间隔有36,但是4228位置处只有12,在4352处就增加到了52,两部合起来每个间隔还是接近36(有误差在里面)。百思不得其解,请教工程师这是哪里错了。

    这是步进64个单位的测试值…

  • AD5543: Behaviour on signals shorter than 16bit

    Hello engineers!

    I'm planning to use the D/A converter AD5543/5553 to convert a 16bit position
    signal. In addition to this, I also want to send a 8bit signal to the uC on the
    same interface but the D/A should not react to this signals. Therefore…

  • 急等:AD7988-5和AD5543的问题

    AD7988-5,REF:5V,VDD:2.5V,VIO:5V,CS模式三线式,SDI=1,每次读数都0x8000,为什么?

    AD5543,REF:5V,电流输出输出1mA接2.5K阻值的线圈,为什么达不到1mA,只用0.3mA?

  • Waveform distortion encountered in the output of the AD5543 DAC.

    Waveform distortion encountered in the output of the AD5543 DAC. How can this signal be improved?

  • RE: What is the power on reset state of the AD5543?

    Hello,

    We experience some issues with this component.

    The power on reset behavior is not described in the datasheet and according to our tests, the AD5543 is in full scale state at power up.

    This behavior is unacceptable from our point of view (we…

  • 有关16位DAC,AD5543的 PCB布局布线问题

    各位前辈,手册上说要把VREF与RFB的走线进行匹配,是什么意思呢,怎么实现呢?多谢各位啦

  • RE: LTC2000 FSADJ speed

    Thank you for your answer. Good to know that this may work. I did consider a multiplying DAC but unfortunately I was not able to find one that fits the requirement for the speed and resolution. The AD5543 comes closest to what I need but it does not match…