doc update
diff --git a/docs/source/_static/6-Channel-SAR-ADC.png b/docs/source/_static/6-Channel-SAR-ADC.png
index 90ac52b..18e8a44 100644
--- a/docs/source/_static/6-Channel-SAR-ADC.png
+++ b/docs/source/_static/6-Channel-SAR-ADC.png
Binary files differ