{"id":6766,"date":"2026-06-21T10:28:16","date_gmt":"2026-06-21T10:28:16","guid":{"rendered":"https:\/\/materialparts.com\/mcp4812t-e-sn-2\/"},"modified":"2026-06-21T10:28:16","modified_gmt":"2026-06-21T10:28:16","slug":"mcp4812t-e-sn-2","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/mcp4812t-e-sn-2\/","title":{"rendered":"MCP4812T-E\/SN"},"content":{"rendered":"

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

The MCP4812T-E\/SN from Microchip Technology is a dual-channel 10-bit voltage output DAC with internal 2.048V reference, SPI interface, and 4.5 us settling time in an SOIC-8 package. AEC-Q100 Grade 1 qualified.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u7c7b\u578b<\/td>\nDual 10-bit Voltage Output DAC<\/td>\n<\/tr>\n
Resolution<\/td>\n10-bit<\/td>\n<\/tr>\n
\u6e20\u9053<\/td>\n2<\/td>\n<\/tr>\n
Internal Reference<\/td>\n2.048 V<\/td>\n<\/tr>\n
Output Range<\/td>\n0 V to 2.048 V (1x gain) or 0 V to 4.096 V (2x gain)<\/td>\n<\/tr>\n
Settling Time<\/td>\n4.5 us typical<\/td>\n<\/tr>\n
INL<\/td>\n\u00b10.5 LSB (typical)<\/td>\n<\/tr>\n
DNL<\/td>\n\u00b10.1 LSB (typical)<\/td>\n<\/tr>\n
\u7535\u6e90\u7535\u538b<\/td>\n2.7 V to 5.5 V<\/td>\n<\/tr>\n
Supply Current<\/td>\n415 uA (typical)<\/td>\n<\/tr>\n
Interface<\/td>\nSPI (up to 20 MHz)<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nSOIC-8<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40\u00b0C to +125\u00b0C<\/td>\n<\/tr>\n
\u8d44\u683c<\/td>\nAEC-Q100 Grade 1<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • Dual 10-bit DAC channels with simultaneous update<\/li>\n
  • Internal 2.048 V voltage reference<\/li>\n
  • Selectable unity or 2x gain output<\/li>\n
  • SPI interface with 20 MHz clock support<\/li>\n
  • Double-buffered registers for synchronous updates<\/li>\n
  • Power-on Reset ensures safe startup<\/li>\n
  • Rail-to-rail output<\/li>\n
  • AEC-Q100 Grade 1 automotive qualified<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Sensor calibration and offset adjustment<\/li>\n
    • Set point control in industrial systems<\/li>\n
    • Portable instrumentation power control<\/li>\n
    • Optical communication device calibration<\/li>\n
    • Automotive analog output generation<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The MCP4812T-E\/SN from Microchip Technology is a dual-channel 10-bit voltage output DAC with internal 2.048V reference, SPI interface, and 4.5 us settling time in an SOIC-8 package. AEC-Q100 Grade 1 qualified. Key Specifications Type Dual 10-bit Voltage Output DAC Resolution 10-bit Channels 2 Internal Reference 2.048 V Output Range 0 V to 2.048 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19,13],"tags":[],"chip_brand":[134],"class_list":["post-6766","post","type-post","status-publish","format-standard","hentry","category-analog-linear-ics","category-integrated-circuits-ics","chip_brand-microchip"],"acf":{"brief_explanation":"Dual 10-bit DAC, 2.048V Int Ref, SPI 20MHz, 4.5us, AEC-Q100, SOIC-8","date_code":"","package_case":"SOIC-8 (4.9 x 3.9 x 1.75 mm)","in_stock":7421,"datasheet":"https:\/\/ww1.microchip.com\/downloads\/en\/DeviceDoc\/20002249G.pdf","price":"$2.11 @ 100u","product_introduction":"The MCP4812T-E\/SN from Microchip Technology is a dual-channel 10-bit voltage output digital-to-analog converter with an internal 2.048 V reference and SPI interface. The device provides rail-to-rail output with selectable unity or 2x gain, allowing output ranges of 0-2.048 V or 0-4.096 V. Double-buffered input registers enable synchronous updates of both DAC outputs via the LDAC pin. The resistive string DAC architecture inherently provides low DNL error (\u00b10.1 LSB) and fast 4.5 us settling time. The 415 uA typical supply current supports battery-powered applications. AEC-Q100 Grade 1 qualification ensures operation in demanding automotive environments.","working_principle":"The MCP4812T-E\/SN uses a resistive string (R-2R) DAC architecture where each channel has a resistor ladder network driven by the internal 2.048 V reference. The 10-bit digital code selects tap points on the resistor string, producing an analog voltage proportional to the code. The output buffer amplifier provides rail-to-rail output swing and drives external loads. The gain selection bit in the SPI command configures the output amplifier for unity gain (0 to VREF) or 2x gain (0 to 2\u00d7VREF). SPI communication writes a 16-bit command word containing channel select, gain bit, shutdown bit, and 10-bit data code. The double-buffered architecture holds new data in an input register until the LDAC pin is asserted, allowing both channels to update simultaneously. Power-on Reset clears all registers to zero-scale output.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>VDD<\/td>Power<\/td>Power supply (2.7-5.5V)<\/td><\/tr>
      2<\/td>CS<\/td>Input<\/td>Chip select (active low)<\/td><\/tr>
      3<\/td>SCK<\/td>Input<\/td>SPI clock<\/td><\/tr>
      4<\/td>SDI<\/td>Input<\/td>SPI data input<\/td><\/tr>
      5<\/td>LDAC<\/td>Input<\/td>Latch DAC input (active low)<\/td><\/tr>
      6<\/td>VOUTB<\/td>Output<\/td>DAC channel B output<\/td><\/tr>
      7<\/td>VSS<\/td>Ground<\/td>Ground<\/td><\/tr>
      8<\/td>VOUTA<\/td>Output<\/td>DAC channel A output<\/td><\/tr><\/table>","application_scenarios":"
      • Sensor offset calibration and trim adjustment<\/li>
      • Industrial process set point control<\/li>
      • Portable instrument analog output generation<\/li>
      • Optical transceiver bias and modulation control<\/li>
      • Automotive sensor simulation and test equipment<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        Microchip<\/td>MCP4802T-E\/SN<\/td>SOIC-8<\/td>8-bit version, same pinout<\/td><\/tr>
        Microchip<\/td>MCP4822T-E\/SN<\/td>SOIC-8<\/td>12-bit version, same pinout<\/td><\/tr>
        Texas Instruments<\/td>DAC60508ZRTER<\/td>QFN-16<\/td>8-channel 12-bit, SPI<\/td><\/tr>
        Analog Devices<\/td>AD5628BRUZ-1<\/td>TSSOP-16<\/td>8-channel 12-bit, SPI<\/td><\/tr>
        Renesas<\/td>ISL58315IRZ<\/td>QFN-24<\/td>Quad 10-bit DAC, SPI<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/6766","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=6766"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/6766\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=6766"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=6766"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=6766"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=6766"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}