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MAX5491UA07538+T

MAX5491UA07538+T Description

The MAX5491UA07538+T from Analog Devices Inc./Maxim Integrated is a high-precision dual-resistor network designed for voltage divider applications with tightly matched temperature coefficients (TCR). This surface-mount component features two resistors with values of 3.514kΩ and 26.49kΩ, offering an ultra-low resistor matching ratio of ±0.035% and a ratio drift of ±2ppm/°C, ensuring exceptional stability across temperature variations. Packaged in a compact TO236-3 (SOT-23-3) case with dimensions of 2.92mm x 1.30mm x 1.12mm, it is optimized for space-constrained PCB designs. Though marked as obsolete, it remains RoHS3 compliant and REACH unaffected, making it suitable for legacy or specialized applications.

MAX5491UA07538+T Features

• Precision Matched Resistors: ±0.035% matching ratio and ±2ppm/°C ratio drift for high-accuracy voltage division.
• Low TCR: ±35ppm/°C temperature coefficient ensures minimal resistance variation.
• Compact Footprint: SOT-23-3 package ideal for dense layouts.
• High Power Handling: 87.5mW per resistor for robust performance.
• Stable Performance: MSL 1 (Unlimited) moisture sensitivity for reliable storage and assembly.
• Voltage Divider Optimized: TCR-matched resistors minimize thermal errors in divider circuits.

MAX5491UA07538+T Applications

• Precision Voltage Dividers: Used in ADC/DAC reference circuits, sensor signal conditioning, and feedback networks.
• Test & Measurement Equipment: Ensures accuracy in calibration systems and data acquisition modules.
• Industrial Control Systems: Reliable performance in process control and automation electronics.
• Medical Instrumentation: Suitable for low-drift analog front-ends where stability is critical.
• Legacy Designs: Maintains compatibility in systems requiring high-ratio-accuracy resistors.

Conclusion of MAX5491UA07538+T

The MAX5491UA07538+T excels in precision analog circuits requiring matched resistor performance with minimal thermal drift. Its compact size, high matching accuracy, and low TCR make it ideal for voltage division tasks in industrial, medical, and measurement applications. While obsolete, its RoHS compliance and reliability ensure continued usability in legacy or niche designs where alternative components may not meet stringent performance criteria.