{"id":5237,"date":"2026-06-09T10:37:28","date_gmt":"2026-06-09T10:37:28","guid":{"rendered":"https:\/\/materialparts.com\/nau7802sgi\/"},"modified":"2026-06-09T10:37:28","modified_gmt":"2026-06-09T10:37:28","slug":"nau7802sgi","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/nau7802sgi\/","title":{"rendered":"NAU7802SGI"},"content":{"rendered":"

\u4ea7\u54c1\u6982\u89c8<\/h2>\n

NAU7802SGI from Nuvoton is a 24-bit precision ADC with 2 differential inputs for weigh scale and instrumentation. I2C interface. Internal LDO and oscillator. 80sps or 320sps. TSSOP-16.<\/p>\n

\u5de5\u4f5c\u539f\u7406<\/h2>\n

Delta-sigma ADC with programmable gain amplifier (1-128x). Internal reference and clock. I2C for register configuration and data read. Chopping for offset cancellation. Built-in LDO for bridge sensor excitation.<\/p>\n

Pin Description<\/h2>\n\n\n\n\n\n\n
\u9488\u811a<\/th>\n\u540d\u79f0<\/th>\n\u529f\u80fd<\/th>\n<\/tr>\n
1-2<\/td>\nAVDD\/AGND<\/td>\nAnalog supply<\/td>\n<\/tr>\n
3-4<\/td>\nAIN1+\/AIN1-<\/td>\nChannel 1 input<\/td>\n<\/tr>\n
5-6<\/td>\nAIN2+\/AIN2-<\/td>\nChannel 2 input<\/td>\n<\/tr>\n
7-8<\/td>\nSDA\/SCL<\/td>\nI2C<\/td>\n<\/tr>\n<\/table>\n

\u5e94\u7528<\/h2>\n
    \n
  • Weigh scales and load cells<\/li>\n
  • Strain gauge measurement<\/li>\n
  • Industrial process control<\/li>\n<\/ul>\n

    Alternative Models<\/h2>\n\n\n\n\n
    \u5236\u9020\u5546<\/th>\n\u90e8\u4ef6\u7f16\u53f7<\/th>\n\u8bf4\u660e<\/th>\n<\/tr>\n
    Nuvoton<\/td>\nNAU7802SGI-18<\/td>\n1.8V I\/O version<\/td>\n<\/tr>\n
    TI<\/td>\nADS1232IPWR<\/td>\nSimilar 24-bit ADC<\/td>\n<\/tr>\n<\/table>","protected":false},"excerpt":{"rendered":"

    Product Overview NAU7802SGI from Nuvoton is a 24-bit precision ADC with 2 differential inputs for weigh scale and instrumentation. I2C interface. Internal LDO and oscillator. 80sps or 320sps. TSSOP-16. Working Principle Delta-sigma ADC with programmable gain amplifier (1-128x). Internal reference and clock. I2C for register configuration and data read. Chopping for offset cancellation. Built-in LDO […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19,13],"tags":[],"chip_brand":[185],"class_list":["post-5237","post","type-post","status-publish","format-standard","hentry","category-analog-linear-ics","category-integrated-circuits-ics","chip_brand-nuvoton"],"acf":{"brief_explanation":"24-bit ADC, 2-ch, I2C, SGMicro, TSSOP-16","date_code":"","package_case":"TSSOP-16 (5.0 x 4.4 x 0.9mm)","in_stock":11810,"datasheet":"https:\/\/www.nuvoton.com\/resource-download.jsp?filename=NAU7802.pdf","price":"$2.80 @ 1ku","product_introduction":"NAU7802SGI from Nuvoton is a 24-bit precision ADC with 2 differential inputs for weigh scale and instrumentation. I2C interface. Internal LDO and oscillator. 80sps or 320sps. TSSOP-16.","working_principle":"Delta-sigma ADC with programmable gain amplifier (1-128x). Internal reference and clock. I2C for register configuration and data read. Chopping for offset cancellation. Built-in LDO for bridge sensor excitation.","pin_description":"
    Pin<\/th>Name<\/th>Function<\/th><\/tr>
    1-2<\/td>AVDD\/AGND<\/td>Analog supply<\/td><\/tr>
    3-4<\/td>AIN1+\/AIN1-<\/td>Channel 1 input<\/td><\/tr>
    5-6<\/td>AIN2+\/AIN2-<\/td>Channel 2 input<\/td><\/tr>
    7-8<\/td>SDA\/SCL<\/td>I2C<\/td><\/tr><\/table>","application_scenarios":"
    • Weigh scales and load cells<\/li>
    • Strain gauge measurement<\/li>
    • Industrial process control<\/li><\/ul>","alternative_models":"
      Manufacturer<\/th>Part Number<\/th>Notes<\/th><\/tr>
      Nuvoton<\/td>NAU7802SGI-18<\/td>1.8V I\/O version<\/td><\/tr>
      TI<\/td>ADS1232IPWR<\/td>Similar 24-bit ADC<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5237","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=5237"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5237\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=5237"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=5237"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=5237"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=5237"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}