{"id":3010,"date":"2026-05-29T04:38:55","date_gmt":"2026-05-29T04:38:55","guid":{"rendered":"https:\/\/materialparts.com\/tpa0211dgnr\/"},"modified":"2026-05-29T06:56:25","modified_gmt":"2026-05-29T06:56:25","slug":"tpa0211dgnr","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/tpa0211dgnr\/","title":{"rendered":"TPA0211DGNR"},"content":{"rendered":"

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

The Texas Instruments TPA0211DGNR is a 2-W mono Class-AB audio power amplifier in a thermally-enhanced 8-pin HVSSOP (MSOP-PowerPAD) package. Capable of driving 2 W into a 4 \u03a9 speaker from a 5 V supply, it supports both BTL (bridge-tied-load) speaker drive and single-ended headphone output. The device features a shutdown mode with 1 \u00b5A typical current and wide supply compatibility from 2.5 V to 5.5 V.<\/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\n\n\n\n\n\n
Architecture<\/td>\nClass-AB<\/td>\n<\/tr>\n
Output Power<\/td>\n2 W @ 4 \u03a9 (5 V), 0.6 W @ 4 \u03a9 (3 V)<\/td>\n<\/tr>\n
Headphone Output<\/td>\n92 mW @ 32 \u03a9<\/td>\n<\/tr>\n
\u062c\u0647\u062f \u0627\u0644\u0625\u0645\u062f\u0627\u062f<\/td>\n2.5 V ~ 5.5 V<\/td>\n<\/tr>\n
\u062a\u064a\u0627\u0631 \u0627\u0644\u062a\u0647\u062f\u0626\u0629<\/td>\n4 mA typical<\/td>\n<\/tr>\n
\u062a\u064a\u0627\u0631 \u0625\u064a\u0642\u0627\u0641 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n1 \u00b5A typical<\/td>\n<\/tr>\n
SNR<\/td>\n93 dB<\/td>\n<\/tr>\n
THD+N @ 1 kHz<\/td>\n0.2%<\/td>\n<\/tr>\n
PSRRR<\/td>\n58 dB<\/td>\n<\/tr>\n
Bandwidth<\/td>\n20 kHz<\/td>\n<\/tr>\n
Gain (BTL mode)<\/td>\n-125 k\u03a9\/RI<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\nHVSSOP-8 (DGN) (3.0\u00d74.9 mm, PowerPAD)<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n-40\u00b0C ~ +85\u00b0C<\/td>\n<\/tr>\n
Max Power Dissipation<\/td>\n2.14 W<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • 2 W into 4 \u03a9 from a 5 V supply in BTL mode<\/li>\n
  • 0.6 W into 4 \u03a9 from a 3 V supply<\/li>\n
  • Wide supply voltage compatibility: 2.5 V to 5.5 V<\/li>\n
  • Ultra-low shutdown current: 1 \u00b5A typical (TTL-compatible shutdown pin)<\/li>\n
  • Thermally-enhanced MSOP-PowerPAD package for efficient heat dissipation<\/li>\n
  • BTL speaker output and SE headphone output in a single device<\/li>\n
  • De-pop circuitry for click-free startup and shutdown<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • Portable wireless communicators and smartphones<\/li>\n
    • Notebook and laptop PC audio<\/li>\n
    • PDAs and handheld devices<\/li>\n
    • Portable audio players and multimedia devices<\/li>\n
    • Small consumer electronics with speaker and headphone<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The Texas Instruments TPA0211DGNR is a 2-W mono Class-AB audio power amplifier in a thermally-enhanced 8-pin HVSSOP (MSOP-PowerPAD) package. Capable of driving 2 W into a 4 \u03a9 speaker from a 5 V supply, it supports both BTL (bridge-tied-load) speaker drive and single-ended headphone output. The device features a shutdown mode with 1 […]<\/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-3010","post","type-post","status-publish","format-standard","hentry","category-analog-linear-ics","category-integrated-circuits-ics","chip_brand-ti"],"acf":{"brief_explanation":"2W mono Class-AB audio amp, BTL speaker + SE headphone, 2.5-5.5V, HVSSOP-8","date_code":"","package_case":"HVSSOP-8 (DGN) (3.0\u00d74.9 mm, PowerPAD)","in_stock":3337,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/tpa0211.pdf","price":"$1.208 @ 1ku","product_introduction":"The TPA0211DGNR from Texas Instruments is a 2-W mono bridge-tied-load (BTL) Class-AB audio power amplifier designed to drive speakers with as low as 4 \u03a9 impedance. The device is ideal for small wireless communicators, notebook PCs, PDAs, and any application requiring both a mono speaker and stereo headphone output. From a 5 V supply, the TPA0211 delivers 2 W of power into a 4 \u03a9 speaker with 93 dB SNR and 0.2% THD+N. The gain of the input stage is set by a user-selected input resistor and a 50 k\u03a9 internal feedback resistor. The power stage is internally configured with a gain of -2.5 V\/V in BTL mode, resulting in an overall gain of -125 k\u03a9\/RI. The device operates over a wide supply range of 2.5 V to 5.5 V and features a TTL-compatible shutdown pin with 1 \u00b5A typical shutdown current.","working_principle":"The TPA0211DGNR operates as a two-stage amplifier consisting of an input stage and a power output stage. The input stage is an inverting amplifier where the gain is set by the ratio of an internal 50 k\u03a9 feedback resistor to the external input resistor (RI). The power output stage is a Class-AB bridge-tied-load (BTL) amplifier with an internally fixed gain of -2.5 V\/V. In BTL mode, the two output amplifiers drive opposite ends of the speaker in anti-phase, effectively doubling the voltage swing across the load compared to a single-ended output, thus quadrupling the power delivered to the speaker for a given supply voltage. The device also supports single-ended (SE) mode for headphone drive, where the power stage gain is -1.25 V\/V. The built-in de-pop circuitry minimizes audible clicks and pops during power-up and power-down transients. The PowerPAD on the package underside provides a low-thermal-resistance path to the PCB for efficient heat dissipation.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>SHUTDOWN<\/td>Input<\/td>Active-high shutdown control (TTL compatible)<\/td><\/tr>
      2<\/td>BYPASS<\/td>Analog<\/td>Internal mid-supply bias voltage bypass capacitor<\/td><\/tr>
      3<\/td>+IN<\/td>Input<\/td>Non-inverting audio input (high-impedance CMOS)<\/td><\/tr>
      4<\/td>-IN<\/td>Input<\/td>Inverting audio input (connects to RI for gain setting)<\/td><\/tr>
      5<\/td>VO1<\/td>Output<\/td>Amplifier 1 output (speaker+ or headphone)<\/td><\/tr>
      6<\/td>VDD<\/td>Power<\/td>Supply voltage (2.5-5.5V)<\/td><\/tr>
      7<\/td>GND<\/td>Power<\/td>Ground<\/td><\/tr>
      8<\/td>VO2<\/td>Output<\/td>Amplifier 2 output (speaker- in BTL mode)<\/td><\/tr><\/table>","application_scenarios":"
      • Portable audio: Smartphones and wireless communicators requiring both speaker and headphone drive<\/li>
      • Notebook PCs: Built-in speaker amplification with 2W output and headphone switch-over<\/li>
      • Portable instruments: Audio feedback and alert tone generation in handheld measurement devices<\/li>
      • Consumer electronics: Smart speakers, portable radios, and multimedia players<\/li>
      • Toy and gaming: Sound effects amplification in battery-powered toys and handheld games<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        TI<\/td>TPA0211DGN<\/td>HVSSOP-8<\/td>Tube packaging variant (same silicon)<\/td><\/tr>
        TI<\/td>TPA0232DGNR<\/td>HVSSOP-8<\/td>Stereo 2W+2W version, similar architecture<\/td><\/tr>
        TI<\/td>LM4871MX<\/td>SOIC-8<\/td>3W mono, larger package, no headphone<\/td><\/tr>
        Maxim<\/td>MAX4364ESA+<\/td>SO-8<\/td>1.4W mono, similar application range<\/td><\/tr>
        NJRC<\/td>NJM2760<\/td>SSOP-8<\/td>1.2W mono, BTL audio amplifier<\/td><\/tr>
        TI<\/td>TPA2005D1DGNR<\/td>HVSSOP-8<\/td>Class-D, 1.7W mono, higher efficiency<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/3010","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=3010"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/3010\/revisions"}],"predecessor-version":[{"id":3025,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/3010\/revisions\/3025"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=3010"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=3010"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=3010"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=3010"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}