MC1458N datasheet by Signetics

MC1458N Frequently Asked Questions (FAQs)

• What is the maximum power dissipation of the MC1458N?
  The maximum power dissipation of the MC1458N is typically 500mW, but it can be limited by the package thermal resistance and the ambient temperature.
• Can I use the MC1458N as a comparator?
  While the MC1458N can be used as a comparator, it's not the best choice due to its limited slew rate and bandwidth. A dedicated comparator like the LM339 or LM2901 would be a better option.
• How do I ensure stability in my MC1458N-based circuit?
  To ensure stability, make sure to decouple the power supply pins with capacitors, use a gain of 10 or less, and avoid capacitive loads. Also, consider adding a compensation capacitor between pins 1 and 8.
• What is the input impedance of the MC1458N?
  The input impedance of the MC1458N is typically around 2MΩ, but it can vary depending on the specific application and operating conditions.
• Can I use the MC1458N in a single-supply configuration?
  Yes, the MC1458N can be used in a single-supply configuration, but you'll need to ensure that the input signals are referenced to the midpoint of the supply voltage, and that the output voltage swing is limited to avoid clipping.