{"id":7965,"date":"2026-06-28T06:17:32","date_gmt":"2026-06-28T06:17:32","guid":{"rendered":"https:\/\/materialparts.com\/lm741cn-2\/"},"modified":"2026-06-28T11:45:07","modified_gmt":"2026-06-28T11:45:07","slug":"lm741cn-2","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/lm741cn-2\/","title":{"rendered":"LM741CN"},"content":{"rendered":"

Productos<\/h2>\n

The LM741CN from Texas Instruments is the classic general-purpose operational amplifier with internal frequency compensation, 1MHz gain-bandwidth product, and \u00b122V supply range in an 8-pin PDIP package \u2014 the most widely taught and referenced op-amp in electronics.<\/p>\n

Especificaciones<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Tipo<\/td>\nGeneral-purpose operational amplifier<\/td>\n<\/tr>\n
Supply Voltage Range<\/td>\n\u00b15V to \u00b122V (dual supply)<\/td>\n<\/tr>\n
Tensi\u00f3n de offset de entrada<\/td>\n2mV typical, 6mV max<\/td>\n<\/tr>\n
Corriente de polarizaci\u00f3n de entrada<\/td>\n80nA typical, 500nA max<\/td>\n<\/tr>\n
Input Offset Current<\/td>\n20nA typical, 200nA max<\/td>\n<\/tr>\n
Input Resistance<\/td>\n0.3M\u03a9 minimum (2M\u03a9 typical)<\/td>\n<\/tr>\n
Open-Loop Voltage Gain<\/td>\n200V\/mV typical (200,000 V\/V)<\/td>\n<\/tr>\n
Producto ganancia-ancho de banda<\/td>\n1MHz typical<\/td>\n<\/tr>\n
Velocidad de giro<\/td>\n0.5V\/\u00b5s typical<\/td>\n<\/tr>\n
Output Voltage Swing<\/td>\n\u00b112V typical @ RL=2k\u03a9, \u00b115V supply<\/td>\n<\/tr>\n
Common-Mode Rejection Ratio<\/td>\n90dB typical<\/td>\n<\/tr>\n
Supply Current<\/td>\n1.7mA typical, 2.8mA max<\/td>\n<\/tr>\n
Temperatura de funcionamiento<\/td>\n0\u00b0C to +70\u00b0C<\/td>\n<\/tr>\n
Paquete<\/td>\nPDIP-8 (9.81 x 6.35mm)<\/td>\n<\/tr>\n<\/table>\n

Caracter\u00edsticas<\/h2>\n
    \n
  • Internal frequency compensation \u2014 no external capacitor needed<\/li>\n
  • Short-circuit protection on output<\/li>\n
  • Offset null adjustment via pins 1 and 5<\/li>\n
  • Wide supply voltage range: \u00b15V to \u00b122V<\/li>\n
  • No latch-up<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • Non-inverting and inverting amplifiers<\/li>\n
    • Integrator and differentiator circuits<\/li>\n
    • Voltage follower (buffer)<\/li>\n
    • Summing amplifier<\/li>\n
    • Filtros activos<\/li>\n
    • Comparator (open-loop)<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The LM741CN from Texas Instruments is the classic general-purpose operational amplifier with internal frequency compensation, 1MHz gain-bandwidth product, and \u00b122V supply range in an 8-pin PDIP package \u2014 the most widely taught and referenced op-amp in electronics. Key Specifications Type General-purpose operational amplifier Supply Voltage Range \u00b15V to \u00b122V (dual supply) Input Offset […]<\/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":[13,24],"tags":[],"chip_brand":[138],"class_list":["post-7965","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-microcontrollers-processors","chip_brand-ti"],"acf":{"brief_explanation":"General-purpose op-amp, 1MHz GBW, 0.5V\/\u00b5s, \u00b122V, PDIP-8","date_code":"","package_case":"PDIP-8 (9.81 x 6.35 x 4.57mm, 2.54mm pitch, through-hole)","in_stock":12000,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/lm741.pdf","price":"$0.50 @ 1ku","product_introduction":"The LM741CN from Texas Instruments is the most iconic general-purpose operational amplifier, originally designed by Fairchild Semiconductor in the late 1960s and still in production today. It features internal frequency compensation (a dominant pole at ~10Hz) that ensures unconditional stability in voltage-follower configuration without any external components \u2014 unlike earlier op-amps like the LM709 that required external compensation capacitors. The 1MHz gain-bandwidth product and 0.5V\/\u00b5s slew rate limit it to low-frequency applications: the full-power bandwidth at \u00b110V output is only ~8kHz (BW = SR \/ (2\u03c0 \u00d7 Vpeak)). For audio and DC signal conditioning, the 741 remains perfectly adequate. The 2mV typical input offset voltage can be trimmed to zero using a 10k\u03a9 potentiometer between pins 1 and 5 (offset null). The 80nA input bias current means that at 100k\u03a9 source resistance, the offset from bias current alone is 8mV \u2014 significant for precision applications. The 741 requires a dual supply (\u00b115V typical) and cannot swing its output closer than about 2-3V to either rail. The CN suffix denotes the commercial-temperature PDIP-8 package.","working_principle":"The LM741CN is a voltage-feedback operational amplifier with three stages: (1) Differential input stage: two matched NPN transistors form a differential pair that converts the differential input voltage (V+ \u2212 V\u2212) into a differential current. The input bias current (80nA typical) is the base current of these transistors. (2) Voltage gain stage: a common-emitter amplifier provides most of the open-loop gain (200,000 typical). An internal 30pF compensation capacitor creates a single dominant pole at ~10Hz, rolling off the gain at 20dB\/decade. At 1MHz, the gain has dropped to 1 (0dB) \u2014 this is the gain-bandwidth product. (3) Output stage: a class-AB push-pull amplifier provides low output impedance and can drive loads down to 2k\u03a9. The output can source and sink ~25mA with short-circuit protection. The op-amp exploits negative feedback: when configured with a feedback network from output to inverting input, the high open-loop gain forces the differential input voltage to nearly zero (virtual short). For a non-inverting amplifier: Vout = (1 + Rf\/Rg) \u00d7 Vin. For an inverting amplifier: Vout = -(Rf\/Rg) \u00d7 Vin. The closed-loop bandwidth is GBW \/ noise_gain; at gain=10, BW = 100kHz.","pin_description":"\n
      Pin<\/th>Name<\/th>Type<\/th>Description<\/th><\/tr>\n
      1<\/td>Offset Null<\/td>Adjust<\/td>Offset null adjustment (connect to pot wiper)<\/td><\/tr>\n
      2<\/td>V\u2212 (Inverting)<\/td>Input<\/td>Inverting input<\/td><\/tr>\n
      3<\/td>V+ (Non-inverting)<\/td>Input<\/td>Non-inverting input<\/td><\/tr>\n
      4<\/td>V\u2212<\/td>Power<\/td>Negative supply (\u221215V typical)<\/td><\/tr>\n
      5<\/td>Offset Null<\/td>Adjust<\/td>Offset null adjustment (connect to pot wiper)<\/td><\/tr>\n
      6<\/td>Output<\/td>Output<\/td>Amplifier output<\/td><\/tr>\n
      7<\/td>V+<\/td>Power<\/td>Positive supply (+15V typical)<\/td><\/tr>\n
      8<\/td>NC<\/td>\u2014<\/td>No connect (internal compensation capacitor)<\/td><\/tr>\n<\/table>\n

      LM741CN uses the PDIP-8 package with classic 741 op-amp pinout: Pin 1 = Offset Null 1, Pin 2 = Inverting Input (-), Pin 3 = Non-inverting Input (+), Pin 4 = VEE (-V), Pin 5 = Offset Null 2, Pin 6 = Output, Pin 7 = VCC (+V), Pin 8 = NC. The offset null pins (1 and 5) allow external trimming of input offset voltage to zero using a 10k\u03a9 potentiometer wiper to VEE. The 741 requires dual supplies (\u00b15V to \u00b118V) and cannot operate single-supply \u2014 inputs cannot approach ground. For single-supply replacement, use LM358 (dual) or LM321 (single). The NC pin 8 must be left floating.<\/p>","application_scenarios":"

        \n
      • Non-Inverting Amp:<\/strong> Vin\u2192pin 3; Rf from pin 6 to pin 2; Rg from pin 2 to GND; Gain = 1 + Rf\/Rg; \u00b115V supply<\/li>\n
      • Inverting Amp:<\/strong> Vin\u2192Rin\u2192pin 2; Rf from pin 6 to pin 2; pin 3 to GND; Gain = \u2212Rf\/Rin<\/li>\n
      • Voltage Follower:<\/strong> Pin 6 connected directly to pin 2; Vin\u2192pin 3; Gain = 1; high-Z input, low-Z output buffer<\/li>\n
      • Summing Amp:<\/strong> Multiple inputs through resistors to pin 2; Rf feedback; Vout = \u2212(Rf\u00b7V1\/R1 + Rf\u00b7V2\/R2 + ...); inverting summing<\/li>\n
      • Offset Trim:<\/strong> 10k\u03a9 pot between pins 1 and 5; wiper to V\u2212 (pin 4); adjust for zero output with grounded inputs<\/li>\n<\/ul>","alternative_models":"\n
        Model<\/th>Manufacturer<\/th>Key Difference<\/th>Package<\/th>Specs<\/th><\/tr>\n
        LM358N<\/td>TI<\/td>Dual op-amp with single 3-32V supply operation and ground-referenced inputs for modern designs<\/td>DIP-8<\/td>1.1MHz\/2-ch<\/td><\/tr>\n
        NE5532P<\/td>TI<\/td>Dual low-noise audio op-amp with 10MHz GBW for audio preamplifier and equalizer circuits<\/td>DIP-8<\/td>10MHz\/9V\/\u00b5s<\/td><\/tr>\n
        TL072CP<\/td>TI<\/td>Dual JFET-input op-amp with 3MHz GBW and 65pA bias current for low-drift applications<\/td>DIP-8<\/td>3MHz\/JFET<\/td><\/tr>\n
        OP07CP<\/td>TI<\/td>Ultra-low offset 75\u00b5V precision op-amp for instrumentation and measurement bridge circuits<\/td>DIP-8<\/td>600kHz\/75\u00b5V<\/td><\/tr>\n
        MCP6002-I\/P<\/td>Microchip<\/td>Dual 1.8-6V rail-to-rail CMOS op-amp with 1MHz GBW for low-voltage modern systems<\/td>DIP-8<\/td>1MHz\/1.8-6V<\/td><\/tr>\n<\/table>\n

        LM741CN is the classic single general-purpose op-amp in DIP-8 with \u00b115V dual supply and 1MHz GBW. While historically dominant, modern alternatives like LM358 (single-supply), TL072 (JFET-input), and MCP6002 (1.8V R-R) offer significant improvements in power, speed, and supply range. For precision applications, OP07 provides 75\u00b5V offset voltage.<\/p>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/7965","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=7965"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/7965\/revisions"}],"predecessor-version":[{"id":8218,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/7965\/revisions\/8218"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=7965"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=7965"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=7965"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=7965"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}