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AD746JR

AD746JR Description

The AD746JR from Analog Devices Inc. is a high-performance, dual-channel JFET-input operational amplifier designed for precision analog applications. Packaged in an 8-SOIC surface-mount form factor, this IC delivers a 13 MHz gain bandwidth product (GBW) and a fast 75V/µs slew rate, making it suitable for high-speed signal processing. Operating within a 9V to 36V supply range, it features a low 300 µV input offset voltage and ultra-low 110 pA input bias current, ensuring accuracy in sensitive circuits. Though marked as obsolete, its robust performance in 0°C to 70°C environments and 25 mA output current capability per channel make it a reliable choice for legacy designs.

AD746JR Features

• High-Speed Performance: 13 MHz bandwidth and 75V/µs slew rate for fast signal amplification.
• Low Noise & Drift: JFET input minimizes bias current (110 pA) and offset voltage (300 µV).
• Wide Supply Range: Operates from 9V to 36V, accommodating diverse power requirements.
• Dual-Channel Design: Two independent op-amps in a compact 8-SOIC package.
• Stable Output: Capable of driving 25 mA per channel with low distortion.
• Industrial Robustness: MSL 1 (Unlimited) moisture sensitivity ensures reliability in storage.

AD746JR Applications

• Precision Instrumentation: Ideal for data acquisition systems and sensor interfaces due to low input errors.
• Active Filters & Integrators: High bandwidth and slew rate suit audio and RF filtering.
• Signal Conditioning: Used in medical devices and test equipment for accurate amplification.
• Legacy System Maintenance: A go-to for servicing older designs requiring JFET-input op-amps.

Conclusion of AD746JR

The AD746JR excels in high-speed, low-noise applications where JFET-input precision is critical. Its wide voltage range and dual-channel integration offer flexibility, while its obsolete status underscores its niche in sustaining legacy systems. Engineers valuing low bias current and fast response will find it a dependable solution despite newer alternatives.