The Designer's Guide Community
Welcome, Guest. Please Login or Register. Please follow the Forum guidelines.
May 24th, 2022, 12:09am
Pages: 1
Send Topic Print
DAC output DC voltage shift (Read 887 times)
New Member

Posts: 1

DAC output DC voltage shift
Nov 30th, 2020, 1:35am
Hi guys,

i'm working on a 10bit charge redistribution switched-capacitor serial DAC.
The converter works with V_ref=10mV=V_fs.
In this way, the converter starts convertingthe input from 0 to 10mV.
The problem is that i need this very small LSB=9.8uV but at the end of the conversion, the output must have 300mV DC voltage (lets say a 10mVpp sinusoidal signal with 300mV DC).
The DAC output goes to an high gain voltage buffer stage in order to drive a capacitive load.
How can i introduce the DC voltage? Level-shift after the buffer or internally within the dac?

Thank you in advance!  :)
Back to top
View Profile   IP Logged
Pages: 1
Send Topic Print
Copyright 2002-2022 Designer’s Guide Consulting, Inc. Designer’s Guide® is a registered trademark of Designer’s Guide Consulting, Inc. All rights reserved. Send comments or questions to Consider submitting a paper or model.