{"id":2925,"date":"2015-09-28T17:35:24","date_gmt":"2015-09-28T17:35:24","guid":{"rendered":"http:\/\/41j.com\/blog\/?p=2925"},"modified":"2016-08-22T07:52:21","modified_gmt":"2016-08-22T07:52:21","slug":"ltc1859-adc-board-rev-2","status":"publish","type":"post","link":"https:\/\/41j.com\/blog\/2015\/09\/ltc1859-adc-board-rev-2\/","title":{"rendered":"LTC1859 ADC Board rev 2"},"content":{"rendered":"<p><a href=\"http:\/\/41j.com\/blog\/2015\/09\/ltc1859-adc-board-rev-2\/adcr2\/\" rel=\"attachment wp-att-2926\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2926\" src=\"http:\/\/41j.com\/blog\/wp-content\/uploads\/2015\/09\/ADCR2.png\" alt=\"ADCR2\" width=\"500\" height=\"408\" \/><\/a><\/p>\n<p>You can now buy the current rev of this board in my shop at <a href=\"http:\/\/www.whitefordresearch.com\/\">whitefordresearch.com<\/a>.<\/p>\n<p>This is a revision of the <a href=\"http:\/\/41j.com\/blog\/2015\/08\/ltc1859-8-channel-100ksps-10v-16bit-adc-arduino-shield-layout\/\">LTC1859<\/a> board which fixes a few mistakes. Notably:<\/p>\n<ul>\n<li>SMA footprint<\/li>\n<li>MUX input for some unknown reason connected to the ground plane!<\/li>\n<li>Footprint of voltage reference.<\/li>\n<li>Route traces around ADC, nothing under it.<\/li>\n<li>Error in decoupling for voltage reference.<\/li>\n<\/ul>\n<p>Kicad files and gerbers: <a href=\"http:\/\/41j.com\/blog\/2015\/09\/ltc1859-adc-board-rev-2\/ltc1859-tar-2\/\" rel=\"attachment wp-att-2927\">LTC1859.tar<\/a><\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/XY2zvnkzik4\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/DFoowYY3344\" frameborder=\"0\" allowfullscreen><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>You can now buy the current rev of this board in my shop at whitefordresearch.com. This is a revision of the LTC1859 board which fixes a few mistakes. Notably: SMA footprint MUX input for some unknown reason connected to the ground plane! Footprint of voltage reference. Route traces around ADC, nothing under it. Error in [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[1],"tags":[],"class_list":["post-2925","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p1RRoU-Lb","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/41j.com\/blog\/wp-json\/wp\/v2\/posts\/2925","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/41j.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/41j.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/41j.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/41j.com\/blog\/wp-json\/wp\/v2\/comments?post=2925"}],"version-history":[{"count":7,"href":"https:\/\/41j.com\/blog\/wp-json\/wp\/v2\/posts\/2925\/revisions"}],"predecessor-version":[{"id":3491,"href":"https:\/\/41j.com\/blog\/wp-json\/wp\/v2\/posts\/2925\/revisions\/3491"}],"wp:attachment":[{"href":"https:\/\/41j.com\/blog\/wp-json\/wp\/v2\/media?parent=2925"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/41j.com\/blog\/wp-json\/wp\/v2\/categories?post=2925"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/41j.com\/blog\/wp-json\/wp\/v2\/tags?post=2925"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}