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MAX479ESD

MAX479ESD Description

The MAX479ESD is a general-purpose quad operational amplifier from Analog Devices Inc./Maxim Integrated, housed in a 14-pin SOIC package. Designed for precision and low-power operation, it operates over a wide supply voltage range (3V to 30V), making it versatile for various analog applications. With an ultra-low supply current of 13µA per channel and input bias current of 3nA, it excels in battery-powered and high-impedance sensor interfaces. The device offers a gain bandwidth product of 85 kHz and a slew rate of 0.04V/µs, suitable for low-frequency signal conditioning. Despite its obsolete status, it remains a reliable choice for legacy designs requiring stable performance in harsh environments.

MAX479ESD Features

• Low Power Consumption: Only 13µA per channel, ideal for portable and battery-operated systems.
• Wide Supply Range: 3V to 30V operation supports diverse power configurations.
• High Precision: 50µV input offset voltage ensures accurate signal processing.
• Low Input Bias Current: 3nA minimizes errors in high-impedance circuits.
• Compact & Robust: Surface-mount 14-SOIC package with MSL 1 (Unlimited) moisture sensitivity.
• Quad-Channel Design: Integrates four independent op-amps in a single IC, saving board space.

MAX479ESD Applications

• Sensor Signal Conditioning: Ideal for amplifying low-level signals from thermocouples, strain gauges, or photodiodes.
• Battery-Powered Systems: Suited for wearables, IoT devices, and energy-harvesting applications due to ultra-low power draw.
• Industrial Control: Used in process control, instrumentation, and low-frequency filtering circuits.
• Medical Electronics: Suitable for portable diagnostic equipment where precision and power efficiency are critical.
• Legacy System Maintenance: A dependable replacement in obsolete industrial or automotive systems.

Conclusion of MAX479ESD

The MAX479ESD stands out for its low-power operation, wide voltage range, and precision performance, making it a strong candidate for battery-efficient and high-impedance applications. While marked as obsolete, its quad-channel integration and robust design ensure continued utility in industrial, medical, and sensor-based systems. Engineers seeking a cost-effective, space-saving op-amp solution for legacy or low-frequency designs will find this IC highly effective.