I'm working with an AD7983 and hoping to get more information regarding the internal functionality of the REF pin. The datasheet describes how to use this pin from a top-level perspective, but I'm looking for a more technical description.
How…
I'm working with an AD7983 and hoping to get more information regarding the internal functionality of the REF pin. The datasheet describes how to use this pin from a top-level perspective, but I'm looking for a more technical description.
How…
Hello,
I driving EVAL-AD7983-PMDZ by Unipolar, Single-Ended sinusoidal signal (Vpp=4V, Voffset=2 so Vmin=0, Vmax=4).
R2 and R4 were removed from the EVAL-AD7983-PMDZ PCB because they give the additional useless voltage offset:
I see that samples are…
Hello everyone
I want to use LTM2893 to isolate SPI I/F for AD7983, is AD7983 compatible with the LTM2893?
On the datasheet of LTM2893, It is mentioned LTM2893 is optimized for isolating 1Msps high resolution 18-bit SAR ADCs, but these are only some…
Hi, all,
I'm using an AD7984 to capture the output of a dual slope integrator circuit. I'm using it in /CS mode, 3-wire, with no busy indicator. Sampling at 500 KHz. Vref = 3.3V. SCLK runs at 12 MHz. It's a 16 channel system, but I'm using 16…
Hello ,
I have a question about the function of REFIO of AD7983.
In the pin descrition tabe, Table 8, REFIO pin is described as "Analog Reference Input/Output (1.2 V Nominal)."
This description include "Input", but I think that the AD7983…
Hi Ed,
You cannot use a true differential ADC in this single ended manner without a SE-to-diff amplifier stage. I am assuming you are grounding the negative input (IN-)? The ADC must maintain a strict common mode spec of Vref/2 +/-5% which is specified…
Hi vlad8016,
What Klaus mentioned are right. There are three most common types of ADC input structure a.) Single- Ended b.) Pseudo Differential c.) True Differential. From your description above I can see that you are looking for ADC that has a pseudo…