BA718 Dual Operational Amplifier

The BA718 Dual Operational Amplifier is a high-performance, general-purpose analog IC designed for precision amplification, signal conditioning, audio processing, and control system applications. With two independent operational amplifiers integrated into a single compact package, the BA718 Dual Operational Amplifier offers excellent stability, low noise, and wide bandwidth characteristics suitable for both consumer and industrial electronics. Engineers, technicians, students, and audio designers rely on this device for its clean amplification, reliable performance, and ease of integration into a variety of analog circuits.

Built using advanced semiconductor technology, the BA718 is optimized for linear amplification tasks including voltage amplification, active filtering, instrumentation circuits, and audio preamplifiers. Its internal architecture ensures minimal distortion, stable DC operating points, and smooth frequency response across a wide range of input signals. The device operates from a standard dual-supply or single-supply configuration, making it highly versatile for modern circuit designs.

The BA718 Dual Operational Amplifier excels in applications such as tone control, audio mixers, sensing systems, comparators, oscillators, and feedback regulation loops. It offers consistent operation under varying temperatures and environments, ensuring long-term reliability for both prototype and production electronics.

Key Features

• High-quality BA718 Dual Operational Amplifier for precision analog processing

• Dual op-amp architecture in a single package

• Low noise for clean amplification

• Wide operating voltage range for flexible design

• Low distortion and stable gain characteristics

• Compatible with single or dual power supplies

• Excellent thermal and electrical stability

• Easy PCB integration for both amateur and professional circuits

Applications

The BA718 Dual Operational Amplifier is ideal for:

• Audio preamplifiers and tone-control circuits

• Active low-pass, high-pass, and band-pass filters

• Sensor signal conditioning and instrumentation

• Oscillator and waveform-generation circuits

• Voltage comparators and regulators

• Automotive and industrial analog modules

• DIY electronics and educational laboratory experiments

• Embedded systems requiring precision analog inputs

Data Sheet (Technical Specifications)

• Model: BA718

• Type: Dual operational amplifier

• Package: DIP-8 / SOP-8 (dependent on version)

• Supply Voltage: ±3V to ±18V (dual)

• Single-Supply Operation: Supported

• Input Offset Voltage: Low, for precision applications

• Input Bias Current: Very low, suitable for high-impedance sensors

• Slew Rate: Standard (model dependent)

• Gain Bandwidth Product: Wide enough for general-purpose analog design

• Output Drive Capability: Compatible with line-level audio and analog loads

• Total Harmonic Distortion (THD): Very low

• Operating Temperature Range: –20°C to +75°C

• Pinout:

  • Pin 1: Output A

  • Pin 2: Inverting Input A

  • Pin 3: Non-Inverting Input A

  • Pin 4: V–

  • Pin 5: Non-Inverting Input B

  • Pin 6: Inverting Input B

  • Pin 7: Output B

  • Pin 8: V+

Benefits

• Provides accurate and low-noise analog amplification

• Highly stable operation for feedback and control circuits

• Compatible with a wide range of analog design templates

• Excellent for both prototyping and production

• Dual-amplifier integration saves PCB space and cost

• Supports a wide variety of audio and industrial applications

Why Choose This Model?

The BA718 Dual Operational Amplifier is a solid performer in any analog design requiring precision, reliability, and low-noise amplification. Whether used in audio systems, measurement instruments, or industrial electronics, it delivers smooth and consistent results. Its dual-channel architecture, strong electrical characteristics, and ease of use make it a dependable choice for engineers, hobbyists, and product designers who require clean and stable analog processing.