{"id":6854,"date":"2026-06-22T01:38:26","date_gmt":"2026-06-22T01:38:26","guid":{"rendered":"https:\/\/materialparts.com\/mcp6541t-i-ot\/"},"modified":"2026-06-22T01:38:26","modified_gmt":"2026-06-22T01:38:26","slug":"mcp6541t-i-ot","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/mcp6541t-i-ot\/","title":{"rendered":"MCP6541T-I\/OT"},"content":{"rendered":"

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

The MCP6541T-I\/OT from Microchip Technology is a single-channel push-pull output sub-microamp comparator with 600 nA quiescent current, rail-to-rail input, and 4 us propagation delay in a SOT-23-5 package.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u7c7b\u578b<\/td>\nSingle Push-Pull Output Sub-Microamp Comparator<\/td>\n<\/tr>\n
\u6e20\u9053<\/td>\n1<\/td>\n<\/tr>\n
\u7535\u6e90\u7535\u538b<\/td>\n1.6 V to 5.5 V<\/td>\n<\/tr>\n
\u9759\u6001\u7535\u6d41<\/td>\n600 nA (typical)<\/td>\n<\/tr>\n
\u4f20\u64ad\u5ef6\u8fdf<\/td>\n4 us (typical @ 100mV overdrive)<\/td>\n<\/tr>\n
\u8f93\u5165\u5931\u8c03\u7535\u538b<\/td>\n+\/-1.5 mV (typical), +\/-7 mV (max)<\/td>\n<\/tr>\n
\u8f93\u5165\u504f\u7f6e\u7535\u6d41<\/td>\n1 pA (typical)<\/td>\n<\/tr>\n
Input Hysteresis<\/td>\n3.3 mV (typical)<\/td>\n<\/tr>\n
CMRR<\/td>\n70 dB (typical)<\/td>\n<\/tr>\n
\u8f93\u51fa<\/td>\nPush-Pull (CMOS\/TTL compatible)<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nSOT-23-5<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40C to +85C (I grade)<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • Ultra-low 600 nA quiescent current<\/li>\n
  • Rail-to-rail input range (VSS-0.3V to VDD+0.3V)<\/li>\n
  • Push-pull CMOS\/TTL output<\/li>\n
  • 4 us propagation delay<\/li>\n
  • 3.3 mV internal hysteresis for noise immunity<\/li>\n
  • 1 pA input bias current (CMOS input)<\/li>\n
  • AEC-Q100 Grade 1 qualified<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Battery-powered voltage monitoring<\/li>\n
    • Window comparator circuits<\/li>\n
    • RC oscillator and timer<\/li>\n
    • Alarm and monitoring systems<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The MCP6541T-I\/OT from Microchip Technology is a single-channel push-pull output sub-microamp comparator with 600 nA quiescent current, rail-to-rail input, and 4 us propagation delay in a SOT-23-5 package. Key Specifications Type Single Push-Pull Output Sub-Microamp Comparator Channels 1 Supply Voltage 1.6 V to 5.5 V Quiescent Current 600 nA (typical) Propagation Delay 4 […]<\/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-6854","post","type-post","status-publish","format-standard","hentry","category-analog-linear-ics","category-integrated-circuits-ics","chip_brand-microchip"],"acf":{"brief_explanation":"Single Comparator, 600nA Iq, Push-Pull RRIO, SOT-23-5, AEC-Q100","date_code":"","package_case":"SOT-23-5 (2.9 x 1.6 x 1.0 mm)","in_stock":8765,"datasheet":"https:\/\/ww1.microchip.com\/downloads\/en\/DeviceDoc\/20001696D.pdf","price":"$0.30 @ 1ku","product_introduction":"The MCP6541T-I\/OT from Microchip Technology is a single-channel push-pull output comparator optimized for ultra-low-power applications. The 600 nA typical quiescent current enables years of battery operation in always-on monitoring circuits. The rail-to-rail input range extends 300 mV beyond both supply rails, accommodating the full input common-mode range without phase reversal. The push-pull output stage swings rail-to-rail, directly driving CMOS and TTL logic inputs without pull-up resistors. The 3.3 mV internal hysteresis prevents output oscillation due to input noise, which is critical for slowly-varying signals. The 1 pA input bias current preserves high-impedance source accuracy. The 4 us propagation delay supports moderate-speed applications. The AEC-Q100 Grade 1 qualification enables automotive use. The SOT-23-5 package provides a minimal footprint.","working_principle":"The MCP6541T-I\/OT uses a CMOS input stage that provides the 1 pA input bias current and rail-to-rail common-mode range. The input stage is followed by a high-gain differential amplifier that compares the IN+ and IN- voltages. When IN+ exceeds IN- by more than the offset voltage plus hysteresis, the output drives to VDD (logic HIGH). When IN- exceeds IN+ by the same threshold, the output drives to VSS (logic LOW). The 3.3 mV internal hysteresis creates two distinct switching thresholds: a higher threshold for positive-going inputs and a lower threshold for negative-going inputs. This hysteresis window prevents the output from chattering when the input signal slowly crosses the threshold or has noise superimposed. The push-pull CMOS output stage uses complementary P-channel and N-channel transistors to actively drive the output to both VDD and VSS, unlike open-drain comparators that require an external pull-up resistor. The 600 nA quiescent current is achieved by operating the internal amplifier at very low bias currents, which limits the bandwidth and results in the 4 us propagation delay.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>VDD<\/td>Power<\/td>Positive supply (1.6-5.5V)<\/td><\/tr>
      2<\/td>IN-<\/td>Input<\/td>Inverting input<\/td><\/tr>
      3<\/td>IN+<\/td>Input<\/td>Non-inverting input<\/td><\/tr>
      4<\/td>VSS<\/td>Power<\/td>Ground \/ negative supply<\/td><\/tr>
      5<\/td>OUT<\/td>Output<\/td>Push-pull output<\/td><\/tr><\/table>","application_scenarios":"
      • Battery voltage monitor with 600nA always-on current and push-pull output to MCU GPIO<\/li>
      • Window comparator using 2x MCP6541 for over\/undervoltage alarm<\/li>
      • RC relaxation oscillator at 1kHz for system tick with 600nA average current<\/li>
      • Capacitive touch sensor threshold detector with 1pA input bias current<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        Microchip<\/td>MCP6541T-E\/OT<\/td>SOT-23-5<\/td>Extended temp -40~125C version<\/td><\/tr>
        TI<\/td>TLV3491AIDBVR<\/td>SOT-23-5<\/td>Push-pull, 1.8uA, similar class<\/td><\/tr>
        Microchip<\/td>MCP6541RT-I\/OT<\/td>SOT-23-5<\/td>Automotive grade version<\/td><\/tr>
        Microchip<\/td>MCP6541T-I\/SN<\/td>SOIC-8<\/td>Same function, SOIC-8 package<\/td><\/tr>
        Maxim<\/td>MAX9031AKA+T<\/td>SOT-23-5<\/td>Push-pull, 0.5uA, alternative<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/6854","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=6854"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/6854\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=6854"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=6854"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=6854"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=6854"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}