LM1458 Dual Operational Amplifier: Pinout, Datasheet, and Equivalent


LM1458 Dual Operational Amplifier:

The LM1458 is a dual operational amplifier IC that provides two op-amps in a single package. Here is information on its pinout, datasheet, and equivalent models:


The LM1458 typically comes in an 8-pin DIP package. Below is a general pinout configuration for the LM1458:

  • Pin 1: Output of Op-Amp 1
  • Pin 2: Non-Inverting Input of Op-Amp 1
  • Pin 3: Inverting Input of Op-Amp 1
  • Pin 4: Negative Power Supply (-Vcc)
  • Pin 5: Non-Inverting Input of Op-Amp 2
  • Pin 6: Inverting Input of Op-Amp 2
  • Pin 7: Positive Power Supply (+Vcc)
  • Pin 8: Output of Op-Amp 2
Pin No. Pin Type Description
1 Output A Op-Amp 1 Output
2 Inverting Input A Op-Amp 1 Inverting Input
3 Non-inverting input A Op-Amp 1 Non-inverting input
4 V- Ground
5 Non-inverting input B Op-Amp 2 Non-inverting input
6 Inverting input B Op-Amp 2 Inverting input
7 Output B Op-Amp 2 output
8 V+ Positive supply voltage


For detailed technical specifications, electrical characteristics, application information, and recommended operating conditions, it's crucial to consult the official datasheet provided by the manufacturer. Search for the LM1458 datasheet on the Texas Instruments website or through distributors like Digi-Key or Mouser Electronics.

The datasheet typically includes the following information:

  • Electrical characteristics (input/output voltage range, offset voltage, input bias current, etc.)
  • Recommended operating conditions (supply voltage range, temperature range, etc.)
  • Application circuits and examples
  • Package information and recommended PCB layout
  • DataSheet

    LM1458N PDF

Equivalent Models:

If you are looking for equivalent dual operational amplifier ICs that can serve as alternatives to the LM1458, consider the following popular equivalents:

  1. LM358:

    • A commonly used dual operational amplifier with similar characteristics to the LM1458.
    • It has a wide supply voltage range and is known for its low power consumption.
  2. LM4558:

    • Another dual operational amplifier with good stability and low noise characteristics.
    • Suitable for audio applications and general-purpose amplification tasks.
  3. NJM4558:

    • A dual operational amplifier from New Japan Radio Company known for its versatility and compatibility with various applications.
  4. OPA228:

    • A precision dual operational amplifier with low offset voltage and drift for high-accuracy applications.
    • Offers high CMRR and PSRR performance.


  • When selecting an equivalent IC, ensure compatibility with your circuit requirements in terms of voltage range, performance characteristics, and application specifics.
  • Cross-referencing datasheets and performance specifications is essential to choose the best alternative for your design needs.

For the most up-to-date information and specific details, always refer to the official product datasheets provided by the manufacturers or authorized distributors.