{"id":8739,"date":"2026-06-30T07:06:17","date_gmt":"2026-06-30T07:06:17","guid":{"rendered":"https:\/\/materialparts.com\/cs5532-asz\/"},"modified":"2026-07-01T01:45:06","modified_gmt":"2026-07-01T01:45:06","slug":"cs5532-asz","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/cs5532-asz\/","title":{"rendered":"CS5532-ASZ"},"content":{"rendered":"

\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n

The CS5532-ASZ is a Cirrus Logic 24-bit delta-sigma ADC with ultra-low-noise PGIA, A-revision silicon. It shares the same architecture as the CS5532-BSZ with 2-channel differential input, gains of 1x to 64x, and SPI interface. Packaged in 20-pin SSOP, -40C to +85C.<\/p>\n

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Resolution<\/td>\n24 bits<\/td>\n<\/tr>\n
\u0627\u0644\u0642\u0646\u0648\u0627\u062a<\/td>\n2 differential<\/td>\n<\/tr>\n
PGIA Gains<\/td>\n1x to 64x<\/td>\n<\/tr>\n
Input Noise<\/td>\n6 nV\/sqrt(Hz) at 0.1 Hz<\/td>\n<\/tr>\n
Linearity<\/td>\n0.0015% FS<\/td>\n<\/tr>\n
Word Rates<\/td>\n6.25 to 3840 SPS<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • 24-bit delta-sigma ADC (A-revision)<\/li>\n
  • Chopper-stabilized PGIA (1x-64x)<\/li>\n
  • 6 nV\/sqrt(Hz) input noise density<\/li>\n
  • 2-channel differential multiplexer<\/li>\n
  • SPI\/Microwire serial interface<\/li>\n
  • Per-channel offset and gain calibration<\/li>\n
  • 50\/60 Hz selectable rejection<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • Weigh scales and precision measurement<\/li>\n
    • Industrial process control<\/li>\n
    • Medical instrumentation<\/li>\n
    • Scientific data acquisition<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The CS5532-ASZ is a Cirrus Logic 24-bit delta-sigma ADC with ultra-low-noise PGIA, A-revision silicon. It shares the same architecture as the CS5532-BSZ with 2-channel differential input, gains of 1x to 64x, and SPI interface. Packaged in 20-pin SSOP, -40C to +85C. Key Specifications Resolution 24 bits Channels 2 differential PGIA Gains 1x to […]<\/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":[165],"class_list":["post-8739","post","type-post","status-publish","format-standard","hentry","category-analog-linear-ics","category-integrated-circuits-ics","chip_brand-adi"],"acf":{"brief_explanation":"24-bit delta-sigma ADC, 2-ch, chopper-stabilized, A-grade, SSOP-20","date_code":"","package_case":"20-SSOP (5.30 x 7.20 mm)","in_stock":1800,"datasheet":"https:\/\/www.cirrus.com\/products\/cs5531-32\/","price":"$7.20 @ 1ku","product_introduction":"The Cirrus Logic CS5532-ASZ is the A-grade version of the CS5532 24-bit delta-sigma ADC with two differential input channels and chopper-stabilized input amplifier. The A-grade specification provides lower input-referred noise and tighter gain accuracy compared to the B-grade, making it the preferred choice for precision weighing and measurement applications requiring the highest DC accuracy. The chopper-stabilized amplifier eliminates 1\/f noise and input offset drift\u2014the dominant error sources in DC measurement\u2014ensuring that zero-load readings remain stable over time and temperature without periodic re-zeroing. The programmable gain amplifier offers gains of 1x to 64x, with the A-grade providing 8.8 nV\/sqrt(Hz) input-referred noise at gain 64x, enabling sub-microvolt signal resolution for strain gauge and load cell applications. The two differential channels with on-chip cross-point multiplexing allow simultaneous measurement of main and tare load cells, or bridge and temperature sensors, with per-channel gain and offset calibration stored in separate registers. The SPI-compatible serial interface supports daisy-chain connection of multiple devices, and the on-chip system calibration registers compensate for external circuit gain and offset errors. Power consumption is 35 mW from +\/-5V supplies with a 5 mW power-down mode for battery-operated field instruments.","working_principle":"The CS5532-ASZ operates identically to the CS5532-BSZ but with tighter manufacturing screening for noise and gain accuracy. The 4th-order delta-sigma modulator oversamples the analog input at 4.9152 MHz, and the digital decimation filter produces 24-bit output data at rates from 3.84 to 4800 SPS. The chopper-stabilized amplifier periodically reverses the input polarity at a rate above the signal bandwidth, converting DC offset and 1\/f noise into AC signals that are rejected by the digital filter. The A-grade device specifies 8.8 nV\/sqrt(Hz) input noise at gain 64x (vs. 10.5 nV\/sqrt(Hz) for B-grade) and +\/-0.1% gain accuracy (vs. +\/-0.5% for B-grade). These tighter specifications are achieved through additional die-level testing and trim during manufacturing. System-level calibration is supported through two modes: self-calibration (using internal reference connections for quick offset\/gain correction) and system calibration (using external reference signals that include the full signal path from sensor to ADC). The per-channel calibration registers allow independent offset and gain correction for each input channel, critical in multi-sensor systems where each sensor has different zero-load offset and sensitivity.","pin_description":"
      Pin<\/th>Mnemonic<\/th>Description<\/th><\/tr>
      1-2<\/td>AIN1+\/AIN1-<\/td>Channel 1 differential analog input<\/td><\/tr>
      3-4<\/td>AIN2+\/AIN2-<\/td>Channel 2 differential analog input<\/td><\/tr>
      5<\/td>VA+<\/td>Analog positive supply (+5V)<\/td><\/tr>
      6<\/td>VA-<\/td>Analog negative supply (-5V)<\/td><\/tr>
      7<\/td>AGND<\/td>Analog ground<\/td><\/tr>
      8<\/td>VREF+<\/td>Positive reference input<\/td><\/tr>
      9<\/td>VREF-<\/td>Negative reference input<\/td><\/tr>
      10<\/td>VD+<\/td>Digital supply (+5V or +3V)<\/td><\/tr>
      11<\/td>DGND<\/td>Digital ground<\/td><\/tr>
      12<\/td>SDO<\/td>Serial data output<\/td><\/tr>
      13<\/td>SDI<\/td>Serial data input<\/td><\/tr>
      14<\/td>SCLK<\/td>Serial clock input<\/td><\/tr>
      15<\/td>CS<\/td>Chip select (active low)<\/td><\/tr>
      16<\/td>AO<\/td>Address\/output configuration<\/td><\/tr>
      17<\/td>RDY<\/td>Data ready output (active low)<\/td><\/tr>
      18-19<\/td>MCLK\/XCLK<\/td>Master clock input\/output<\/td><\/tr>
      20<\/td>RESET<\/td>Reset input (active low)<\/td><\/tr><\/table>","application_scenarios":"
      • Analytical balance with A-grade noise performance enabling 0.001g resolution over 300g range with 64x PGA and chopper-stabilized amplifier<\/li>
      • Multi-axis force measurement platform with per-channel offset\/gain calibration compensating for transducer-to-transducer variation<\/li>
      • Medical infusion pump load cell monitoring with A-grade +\/-0.1% gain accuracy meeting IEC 60601-2-24 occlusion detection requirements<\/li>
      • Calibration laboratory reference standard with daisy-chained CS5532-ASZ devices providing 8-channel simultaneous 24-bit acquisition<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr>
        CS5532-BSZ<\/td>Cirrus Logic<\/td>B-grade, higher noise, lower cost<\/td><\/tr>
        ADS1262<\/td>TI<\/td>32-bit, 38.4kSPS, 10-ch, integrated reference<\/td><\/tr>
        AD7175-8<\/td>ADI<\/td>24-bit, 250kSPS, 8-ch, sigma-delta<\/td><\/tr>
        NX3V5532<\/td>NXP<\/td>Pin-compatible alternative, limited availability<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/8739","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=8739"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/8739\/revisions"}],"predecessor-version":[{"id":8895,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/8739\/revisions\/8895"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=8739"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=8739"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=8739"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=8739"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}