{"id":3198,"date":"2026-05-31T03:20:46","date_gmt":"2026-05-31T03:20:46","guid":{"rendered":"https:\/\/materialparts.com\/tlc2272cdr\/"},"modified":"2026-06-06T03:28:49","modified_gmt":"2026-06-06T03:28:49","slug":"tlc2272cdr","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/tlc2272cdr\/","title":{"rendered":"TLC2272CDR"},"content":{"rendered":"

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

The TLC2272CDR from Texas Instruments is a dual rail-to-rail operational amplifier from the Advanced LinCMOS family. It features low noise of 9 nV\/sqrt(Hz), high gain bandwidth of 2.2 MHz, slew rate of 3.6 V\/us, and ultra-low input bias current of 1 pA. The device is fully specified for single-supply (5 V) and split-supply (+\/-5 V) operation in an SOIC-8 package.<\/p>\n

\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n\n\n\n\n\n\n\n\n\n
\u0639\u062f\u062f \u0627\u0644\u0642\u0646\u0648\u0627\u062a<\/td>\n2 (Dual)<\/td>\n<\/tr>\n
Gain Bandwidth Product<\/td>\n2.2 MHz typical<\/td>\n<\/tr>\n
\u0645\u0639\u062f\u0644 \u0627\u0644\u062f\u0648\u0631\u0627\u0646<\/td>\n3.6 V\/us typical<\/td>\n<\/tr>\n
Input Noise Voltage<\/td>\n9 nV\/sqrt(Hz) at 1 kHz<\/td>\n<\/tr>\n
\u062a\u064a\u0627\u0631 \u062a\u062d\u064a\u0632 \u0627\u0644\u0625\u062f\u062e\u0627\u0644<\/td>\n1 pA typical<\/td>\n<\/tr>\n
\u062c\u0647\u062f \u0625\u0632\u0627\u062d\u0629 \u0627\u0644\u0645\u062f\u062e\u0644\u0627\u062a<\/td>\n950 uV max<\/td>\n<\/tr>\n
\u0646\u0637\u0627\u0642 \u062c\u0647\u062f \u0627\u0644\u0625\u0645\u062f\u0627\u062f<\/td>\n4.4 V to 16 V<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n0\u00b0C to 70\u00b0C<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • Rail-to-rail output swing for maximum dynamic range<\/li>\n
  • Low noise: 9 nV\/sqrt(Hz) typical at 1 kHz<\/li>\n
  • Ultra-low input bias current: 1 pA typical<\/li>\n
  • Common-mode input range includes negative rail<\/li>\n
  • High gain bandwidth: 2.2 MHz typical<\/li>\n
  • High slew rate: 3.6 V\/us typical<\/li>\n
  • Fully specified for single and split supply operation<\/li>\n
  • Upgrade replacement for TLC272 and TLC274<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • Piezoelectric transducer signal conditioning<\/li>\n
    • Hand-held monitoring and remote sensing<\/li>\n
    • ADC driver interfaces<\/li>\n
    • Battery-powered instrumentation<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The TLC2272CDR from Texas Instruments is a dual rail-to-rail operational amplifier from the Advanced LinCMOS family. It features low noise of 9 nV\/sqrt(Hz), high gain bandwidth of 2.2 MHz, slew rate of 3.6 V\/us, and ultra-low input bias current of 1 pA. The device is fully specified for single-supply (5 V) and split-supply […]<\/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":[138],"class_list":["post-3198","post","type-post","status-publish","format-standard","hentry","category-analog-linear-ics","category-integrated-circuits-ics","chip_brand-ti"],"acf":{"brief_explanation":"Dual rail-to-rail CMOS op-amp, 2.2 MHz GBW, 9 nV\/sqrt(Hz), 1 pA Ibias, SOIC-8","date_code":"","package_case":"SOIC-8 (3.91 x 4.90 mm)","in_stock":8500,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/tlc2274am.pdf","price":"$0.95 @ 1ku","product_introduction":"The TLC2272CDR is a dual rail-to-rail operational amplifier from Texas Instruments' Advanced LinCMOS family, designed for applications requiring low noise, high input impedance, and wide output swing. The device features a noise voltage of 9 nV\/sqrt(Hz) at 1 kHz, which is two times lower than competing CMOS op-amps, making it excellent for small-signal conditioning of high-impedance sources. The rail-to-rail output capability maximizes dynamic range in single-supply applications, while the common-mode input range includes the negative rail for ground-referenced signal processing. With a gain bandwidth of 2.2 MHz and a slew rate of 3.6 V\/us, the TLC2272CDR offers higher speed than legacy CMOS op-amps while maintaining micropower consumption levels. The ultra-low 1 pA input bias current makes the device ideal for interfacing with high-impedance sensors such as piezoelectric transducers and pH probes.","working_principle":"The TLC2272CDR operates as a voltage-feedback operational amplifier using CMOS technology with three key circuit blocks: (1) The differential input stage uses PMOS transistors to achieve ultra-low input bias current (1 pA typical) and high input impedance. The input common-mode range extends to the negative supply rail, enabling single-supply operation with ground-referenced signals. (2) The gain stage provides the primary voltage amplification with a gain-bandwidth product of 2.2 MHz. Internal compensation ensures stability in unity-gain configurations without external components. The Advanced LinCMOS process provides low 1\/f noise corner frequency and low input offset voltage. (3) The output stage uses a complementary CMOS push-pull configuration that swings to within millivolts of both supply rails, maximizing output dynamic range. The output can drive loads as low as 10 kohm to the rails, and the low quiescent current per amplifier (1.1 mA typical) makes it suitable for battery-powered applications.","pin_description":"
      Pin No.<\/td>Pin Name<\/td>Function<\/td><\/tr>
      1<\/td>1OUT<\/td>Amplifier 1 output<\/td><\/tr>
      2<\/td>1IN-<\/td>Amplifier 1 inverting input<\/td><\/tr>
      3<\/td>1IN+<\/td>Amplifier 1 non-inverting input<\/td><\/tr>
      4<\/td>GND \/ V-<\/td>Negative supply or ground<\/td><\/tr>
      5<\/td>2IN+<\/td>Amplifier 2 non-inverting input<\/td><\/tr>
      6<\/td>2IN-<\/td>Amplifier 2 inverting input<\/td><\/tr>
      7<\/td>2OUT<\/td>Amplifier 2 output<\/td><\/tr>
      8<\/td>V+<\/td>Positive supply voltage (4.4 V to 16 V)<\/td><\/tr><\/table>","application_scenarios":"
      • Piezoelectric sensor signal conditioning where 1 pA input bias current prevents sensor loading and 9 nV\/sqrt(Hz) noise preserves signal integrity<\/li>
      • Single-supply ADC driver circuits where rail-to-rail output maximizes the usable ADC input range<\/li>
      • Portable medical instruments (blood glucose meters, pulse oximeters) requiring low power and low noise<\/li>
      • Remote sensing and environmental monitoring nodes with high-impedance sensor interfaces and battery operation<\/li><\/ul>","alternative_models":"
        Model<\/td>Brand<\/td>GBW<\/td>Noise<\/td>Ibias<\/td><\/tr>
        TLC2272ACDR<\/td>TI<\/td>2.2 MHz<\/td>9 nV\/sqrt(Hz)<\/td>1 pA<\/td><\/tr>
        TLV2462CDR<\/td>TI<\/td>6.4 MHz<\/td>11 nV\/sqrt(Hz)<\/td>1 pA<\/td><\/tr>
        MCP6022-I\/SN<\/td>Microchip<\/td>10 MHz<\/td>8.7 nV\/sqrt(Hz)<\/td>1 pA<\/td><\/tr>
        OPA2340EA<\/td>TI<\/td>5.5 MHz<\/td>4.5 nV\/sqrt(Hz)<\/td>0.5 pA<\/td><\/tr>
        LMV358IDR<\/td>TI<\/td>1 MHz<\/td>40 nV\/sqrt(Hz)<\/td>15 pA<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/3198","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=3198"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/3198\/revisions"}],"predecessor-version":[{"id":3279,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/3198\/revisions\/3279"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=3198"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=3198"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=3198"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=3198"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}