{"id":7917,"date":"2026-06-28T04:28:42","date_gmt":"2026-06-28T04:28:42","guid":{"rendered":"https:\/\/materialparts.com\/tda2030a-3\/"},"modified":"2026-06-28T11:38:43","modified_gmt":"2026-06-28T11:38:43","slug":"tda2030a-3","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/tda2030a-3\/","title":{"rendered":"TDA2030A"},"content":{"rendered":"

Productos<\/h2>\n

The TDA2030A from STMicroelectronics is a monolithic class-AB audio power amplifier IC delivering 18W into 4\u03a9 at \u00b116V supply, with very low harmonic distortion (0.08% THD), short-circuit protection, and thermal shutdown in a Pentawatt-5 package.<\/p>\n

Especificaciones<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Output Power<\/td>\n18W @ VS=\u00b116V, RL=4\u03a9, d=0.5%<\/td>\n<\/tr>\n
Supply Voltage Range<\/td>\n\u00b16V to \u00b122V (dual) or 12V to 44V (single)<\/td>\n<\/tr>\n
Quiescent Drain Current<\/td>\n50mA typical, 80mA max<\/td>\n<\/tr>\n
Corriente de polarizaci\u00f3n de entrada<\/td>\n0.2\u00b5A typical, 2\u00b5A max<\/td>\n<\/tr>\n
Tensi\u00f3n de offset de entrada<\/td>\n\u00b12mV typical, \u00b120mV max<\/td>\n<\/tr>\n
Open Loop Voltage Gain<\/td>\n80dB typical @ 1kHz<\/td>\n<\/tr>\n
Closed Loop Voltage Gain<\/td>\n26dB typical (adjustable)<\/td>\n<\/tr>\n
Total Harmonic Distortion<\/td>\n0.08% typical @ 1kHz, 0.1-14W, RL=4\u03a9<\/td>\n<\/tr>\n
Power Bandwidth<\/td>\n100kHz @ Po=15W, RL=4\u03a9<\/td>\n<\/tr>\n
Velocidad de giro<\/td>\n8V\/\u00b5s typical<\/td>\n<\/tr>\n
Input Resistance<\/td>\n5M\u03a9 typical (open loop)<\/td>\n<\/tr>\n
Signal-to-Noise Ratio<\/td>\n106dB @ Po=15W, RL=4\u03a9<\/td>\n<\/tr>\n
Supply Voltage Rejection<\/td>\n54dB @ 100Hz<\/td>\n<\/tr>\n
Peak Output Current<\/td>\n3.5A (internally limited)<\/td>\n<\/tr>\n
Thermal Shutdown<\/td>\n145\u00b0C junction temperature<\/td>\n<\/tr>\n
R\u03b8JC (Junction-to-Case)<\/td>\n3\u00b0C\/W max<\/td>\n<\/tr>\n
Temperatura de funcionamiento<\/td>\n-40\u00b0C to +150\u00b0C (junction)<\/td>\n<\/tr>\n
Paquete<\/td>\nPentawatt-5 (PZFM5, through-hole)<\/td>\n<\/tr>\n<\/table>\n

Caracter\u00edsticas<\/h2>\n
    \n
  • 18W output power into 4\u03a9 at \u00b116V<\/li>\n
  • Very low harmonic and crossover distortion (0.08% THD)<\/li>\n
  • High output current capability (3.5A peak)<\/li>\n
  • Short-circuit protection with automatic power limiting<\/li>\n
  • Thermal shutdown at 145\u00b0C junction<\/li>\n
  • Wide supply voltage range: \u00b16V to \u00b122V<\/li>\n
  • High input impedance: 5M\u03a9<\/li>\n
  • Can be used as 35W driver with external complementary pair<\/li>\n
  • Single or split supply operation<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • Hi-Fi audio amplifiers<\/li>\n
    • Powered speakers and bookshelf systems<\/li>\n
    • 35W driver with external transistor pair<\/li>\n
    • Car audio systems<\/li>\n
    • Guitar practice amplifiers<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The TDA2030A from STMicroelectronics is a monolithic class-AB audio power amplifier IC delivering 18W into 4\u03a9 at \u00b116V supply, with very low harmonic distortion (0.08% THD), short-circuit protection, and thermal shutdown in a Pentawatt-5 package. Key Specifications Output Power 18W @ VS=\u00b116V, RL=4\u03a9, d=0.5% Supply Voltage Range \u00b16V to \u00b122V (dual) or 12V […]<\/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":[13,25],"tags":[],"chip_brand":[142],"class_list":["post-7917","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-microcontrollers-mcu","chip_brand-st"],"acf":{"brief_explanation":"18W class-AB audio amp, \u00b16-22V, 0.08% THD, SCP, TSD, Pentawatt-5","date_code":"","package_case":"Pentawatt-5 (PZFM5, 5-pin vertical mount, through-hole, tab=heatsink)","in_stock":5000,"datasheet":"https:\/\/www.st.com\/resource\/en\/datasheet\/tda2030a.pdf","price":"$0.80 @ 1ku","product_introduction":"The TDA2030A from STMicroelectronics is a monolithic class-AB audio power amplifier in a Pentawatt-5 package, delivering 18W into a 4\u03a9 load at \u00b116V supply with only 0.5% distortion, or 12W into 8\u03a9. At moderate power levels (0.1-14W), the THD drops to just 0.08% at 1kHz, making it suitable for hi-fi applications. The device features built-in short-circuit protection that automatically limits the dissipated power to keep the output transistors within their safe operating area, as well as conventional thermal shutdown at 145\u00b0C junction temperature. The 3.5A peak output current and 100kHz power bandwidth ensure excellent dynamic performance. When used as a driver with an external complementary transistor pair, the TDA2030A can deliver up to 35W output power. The A suffix denotes the improved version with VS max = 44V (vs 36V for the original TDA2030), providing greater reliability in unregulated supply applications. Note: ST has marked this product as obsolete\/EOL, but it remains widely available from distributors.","working_principle":"The TDA2030A is a class-AB push-pull audio amplifier. The input signal is applied to the non-inverting input (pin 1), which feeds a differential input stage. The differential stage drives a voltage amplifier stage, which in turn drives the complementary push-pull output stage (NPN and PNP power transistors in series between V+ and V-). In class-AB operation, a small bias current flows through both output transistors at idle, eliminating the crossover distortion that occurs in pure class-B designs when the signal transitions from one transistor to the other. The closed-loop voltage gain is set by external resistors: the feedback resistor from the output (pin 4) to the inverting input (pin 2) and the resistor from pin 2 to ground determine the gain. The typical configuration provides 26dB (\u00d720) gain. The 8V\/\u00b5s slew rate limits the maximum rate of output voltage change, which affects high-frequency large-signal performance. The short-circuit protection monitors the output current and voltage across the output transistors; when the safe operating area (SOA) is exceeded, the drive to the output stage is reduced, limiting dissipation. The thermal shutdown uses a temperature sensor on the die; when junction temperature reaches 145\u00b0C, the output stage is disabled until the device cools.","pin_description":"\n
      Pin<\/th>Name<\/th>Type<\/th>Description<\/th><\/tr>\n
      1<\/td>Non-inverting Input<\/td>Input<\/td>Signal input (high impedance, 5M\u03a9)<\/td><\/tr>\n
      2<\/td>Inverting Input<\/td>Input<\/td>Feedback input (sets gain with external resistors)<\/td><\/tr>\n
      3<\/td>GND \/ V-<\/td>Power<\/td>Negative supply or ground (single supply)<\/td><\/tr>\n
      4<\/td>Output<\/td>Output<\/td>Amplified audio output (3.5A peak)<\/td><\/tr>\n
      5<\/td>V+<\/td>Power<\/td>Positive supply (up to +22V)<\/td><\/tr>\n<\/table>\n

      TDA2030A uses the Pentawatt-5 (TO-220-5) package with audio power amplifier pinout: Pin 1 = Non-inverting Input (+), Pin 2 = Inverting Input (-), Pin 3 = VEE (-V or GND), Pin 4 = Output (to speaker), Pin 5 = VCC (+V). The tab is electrically connected to Pin 3 (VEE\/GND). The split-supply operation (\u00b16V to \u00b118V) allows direct capacitor-less coupling to the speaker. In single-supply configuration, a 2200\u00b5F output coupling capacitor is required. The device provides 18W into 4\u03a9 at \u00b114V. Input impedance is typically 5M\u03a9 (non-inverting). The SOA protection includes output short-circuit to ground and across supply rails, thermal shutdown at 145\u00b0C, and overvoltage clamping.<\/p>","application_scenarios":"

        \n
      • 18W Hi-Fi Amp:<\/strong> \u00b116V split supply, 4\u03a9 speaker; gain set by feedback R network; output coupling capacitor not needed with split supply<\/li>\n
      • Single-Supply Amp:<\/strong> V+=24V, GND=0V; output biased at V+\/2 via voltage divider; 2200\u00b5F coupling capacitor to speaker<\/li>\n
      • 35W Driver:<\/strong> TDA2030A drives external BDV64\/BDV65 complementary pair; base drive from pin 4; higher current and power output<\/li>\n
      • Car Audio:<\/strong> 12V single supply; ~5W into 4\u03a9; bridge two TDA2030A in BTL for ~15W into 4\u03a9 from 12V<\/li>\n
      • Active Speaker:<\/strong> PC speaker or practice amp; \u00b112V supply, 8\u03a9; compact heatsink required (R\u03b8JC = 3\u00b0C\/W)<\/li>\n<\/ul>","alternative_models":"\n
        Model<\/th>Manufacturer<\/th>Key Difference<\/th>Package<\/th>Specs<\/th><\/tr>\n
        TDA2030<\/td>ST<\/td>Original 14W version with lower 18V max supply for less demanding audio applications<\/td>PENTAWATT-5<\/td>14W\/\u00b118V<\/td><\/tr>\n
        TDA2040<\/td>ST<\/td>22W higher-power version with \u00b120V supply for louder speaker driver applications<\/td>PENTAWATT-5<\/td>22W\/\u00b120V<\/td><\/tr>\n
        TDA2050<\/td>ST<\/td>32W highest-power version with \u00b125V supply for high-fidelity speaker amplification<\/td>PENTAWATT-5<\/td>32W\/\u00b125V<\/td><\/tr>\n
        LM1875T<\/td>TI<\/td>25W audio power amplifier with 94dB PSRR and minimal external components in TO-220-5<\/td>TO-220-5<\/td>25W\/\u00b130V<\/td><\/tr>\n
        TPA3116D2DAP<\/td>TI<\/td>Class-D 50W stereo audio amplifier with 92% efficiency for modern wireless speaker designs<\/td>HTSSOP-32<\/td>50W\/Class-D<\/td><\/tr>\n<\/table>\n

        TDA2030A is an 18W mono Class-AB audio power amplifier in PENTAWATT-5 (TO-220-5) package with \u00b118V maximum supply. The TDA2040 (22W) and TDA2050 (32W) scale output power in the same pinout. For modern Class-D efficiency, TPA3116D2 offers 50W stereo at 92% efficiency. The TDA2030A requires only 5 external components and includes thermal shutdown and short-circuit protection.<\/p>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/7917","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/comments?post=7917"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/7917\/revisions"}],"predecessor-version":[{"id":8240,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/7917\/revisions\/8240"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=7917"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=7917"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=7917"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=7917"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}