DAC60508: DAC programming problem

Leonid Kurilan

Part Number: DAC60508

I have received the item ID code: 0x2816 from DEVID register, but can't get any value on OUT pins,

I'm trying to do following:

WriteReg(TRIGGER, 0x000A);
WriteReg(SYNC, 0x0000);
WriteReg(GAIN, 0x00FF);

WriteReg(DAC0, 0xFFE0);
WriteReg(DAC1, 0xFFE0);
WriteReg(DAC2, 0xFFE0);
WriteReg(DAC3, 0xFFE0);
WriteReg(DAC4, 0xFFE0);
WriteReg(DAC5, 0xFFE0);
WriteReg(DAC6, 0xFFE0);
WriteReg(DAC7, 0x7FF0);

What wrong?

over 5 years ago

0 Uttam Sahu over 5 years ago

TI__Genius 14220 points

Hi Leonid,

Thank you for your query. What is your VDD? Are you using the internal reference? Make sure there is headroom between the reference and VDD as specified in section 7.3of the datasheet.

Regards,

Uttam

0 Leonid Kurilan over 5 years ago in reply to Uttam Sahu

Intellectual 365 points

Hello Uttam,

The VDD - 3.3V. Yes I'm using internal reference.

VDD and VIO pins connected together to 3.3V PS.

Can that be a problem?

Thanks.

Best regards.

Leonid.

0 Leonid Kurilan over 5 years ago in reply to Leonid Kurilan

Intellectual 365 points

Ok.

It starts to work after I wrote 1 to REFDIV-EN bit of GAIN Register.

Thanks.

Leonid.

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DAC60508: DAC programming problem