MC34072P

### MC34072P Description The MC34072P is a dual operational amplifier (op-amp) integrated circuit (IC) designed for general-purpose applications. Manufactured by onsemi, this IC is packaged in an 8-DIP tube, making it suitable for through-hole mounting. Although classified as obsolete, the MC34072P remains a popular choice for certain applications due to its unique features and performance benefits. ### MC34072P Features 1. **Voltage - Supply Span**: The MC34072P operates over a wide supply voltage range from 3 V to 44 V, providing flexibility in various power supply configurations. 2. **Gain Bandwidth Product**: With a gain bandwidth product of 4.5 MHz, the MC34072P offers high-speed performance for its class, making it suitable for applications requiring fast response times. 3. **Slew Rate**: A slew rate of 13 V/µs ensures quick signal transitions and minimal distortion in high-frequency applications. 4. **Low Input Bias Current**: The input bias current of 100 nA helps minimize loading effects on the input signal source, preserving signal integrity. 5. **Low Input Offset Voltage**: The input offset voltage of 1 mV contributes to high accuracy and stability in precision applications. 6. **Low Supply Current**: The total supply current of 1.9 mA (for both channels) makes the MC34072P energy-efficient for battery-powered applications. 7. **Output Current**: Each channel can deliver up to 30 mA, providing sufficient drive capability for various loads. 8. **Operating Temperature Range**: The MC34072P operates over a temperature range of 0°C to 70°C, making it suitable for both indoor and outdoor applications. 9. **Moisture Sensitivity Level (MSL)**: With an MSL of 1, the MC34072P is unaffected by moisture, ensuring reliable performance in humid environments. ### MC34072P Applications The MC34072P is ideal for various applications, including: 1. **Audio Amplification**: Its high slew rate and low distortion make it suitable for audio preamplifiers and signal conditioning circuits. 2. **Instrumentation**: The low input bias current and low input offset voltage make it suitable for precision instrumentation and sensor conditioning. 3. **Signal Conditioning**: The wide supply voltage range and high gain bandwidth product make it suitable for signal conditioning in industrial control systems. 4. **Battery-Powered Devices**: The low supply current makes it suitable for battery-powered devices, such as portable electronics and wearables. ### Conclusion of MC34072P Despite its obsolete status, the MC34072P remains a popular choice for general-purpose op-amp applications due to its unique combination of features, including high-speed performance, low power consumption, and wide supply voltage range. Its suitability for various applications, such as audio amplification, instrumentation, and signal conditioning, makes it a versatile option for designers looking for a reliable and cost-effective solution. While newer models may offer improved performance, the MC34072P continues to be a viable choice for applications where its specific features align with the design requirements.