Other Parts Discussed in Thread: ADS58B19
Dear all,
We are using an ADS58B19 evaluation board. For testing it we are introducing a 20MHz sine signal with 1.5Vpp to the SMA connector J19 as the Clk In and another sine signal of 4MHz and 9dBm to the J6 SMA conenctor as the input signal for the ADC. The supply of the board is of 3.3V and it consumes around 0.39A when working.
In order to correctly see the data and as it is stated in the datasheet of the board (2.2.4: Digital outputs section, page 13) 
We have installed an AVC16244 buffer to get the data from D0 to D13 through the pins of the J5 connector, using a Logic Analyzer. After checking the outputs at the connector J5 at pins 6 to 32, we get that some of the outputs are always low and one of them is always high. Most of those outputs are the ones that match with the lowest significant bits and we expected them to be the ones that change the most.
The following picture is the output that we get in the logic analyzer:
It can be seen that all outputs from D0 to D6 and then D9 are low, except for D4 which is always high.
After checking these signals, we saw that they are already like that in the inputs of the buffer so having ckecked the schematics of the board and the buffer we assume that we installed it correctly. The logic analyzer is also working correctly.
Does any of you know why this doesn't work properly? We are starting to think that the configuration of the jumpers might be a reason, we set them as it is indicated in the Table 1 (Page 4) of the board's datasheet, is this configuration correct to get the outputs at J5?
Thank you in advance.
Yours sincerely,
Pablo
