The LM747CJ is a dual operational amplifier manufactured by Rochester Electronics. This device consists of two independent, high-gain, internally compensated operational amplifiers designed to operate from a single power supply over a wide voltage range. It offers excellent input characteristics and is suitable for a variety of analog applications.

Applications

• Instrumentation amplifiers
• Active filters
• Voltage followers
• Comparators
• Audio amplifiers
• Signal conditioning circuits

Features

• Dual Operational Amplifier
• Wide Supply Voltage Range
• High Open-Loop Gain
• Internal Frequency Compensation
• Short-Circuit Protection
• Low Input Bias Current
• Low Input Offset Voltage

Benefits

• Versatile Applications: Suitable for a wide range of analog circuit designs.
• Stable Performance: Internal frequency compensation ensures stable operation.
• Overload Protection: Short-circuit protection prevents damage from output shorts.
• Accurate Signal Processing: Low input bias current and offset voltage improve accuracy.
• Simplified Design: Requires minimal external components.

Technical Specifications

The LM747CJ operates at a voltage range of ±5V to ±15V. It features a typical open-loop gain of 90dB. The input bias current is typically 80nA, and the input offset voltage is typically 1mV. The device is available in a 14-pin ceramic DIP (Dual In-line Package). It is designed for operation over the commercial temperature range (0°C to +70°C).

In summary, the LM747CJ dual operational amplifier from Rochester Electronics is a reliable and versatile component for analog circuit design. Its wide operating voltage range, high gain, and internal compensation make it suitable for a variety of applications requiring accurate and stable signal processing.