MAX1040BETX

ADCs/DACs - Special Purpose Overview

The MAX1040BETX is a precision micropower shunt voltage reference manufactured by Analog Devices Inc./Maxim Integrated. It provides a fixed output voltage of 2.5V with an initial accuracy of 0.1%. The device features a low temperature coefficient of 30 PPM/°C, ensuring stable performance across varying thermal conditions. Designed for surface-mount applications, it utilizes an SC-70-3 package. The component operates within a junction temperature range of -40°C to +125°C and supports a maximum shunt current of 15 mA, making it suitable for battery-powered and space-constrained electronic systems requiring high precision.

ADCs/DACs - Special Purpose Feature Summary

• Fixed 2.5V output voltage with 0.1% initial accuracy
• Low temperature coefficient of 30 PPM/°C
• Micropower operation with minimal quiescent current
• Compact SC-70-3 surface-mount package

ADCs/DACs - Special Purpose Applications

• Portable instrumentation requiring precise voltage references
• Battery-operated measurement devices
• Data acquisition systems
• Medical equipment

ADCs/DACs - Special Purpose Procurement Notes

Verify the specific suffix 'BETX' against official Analog Devices documentation to confirm package type (SC-70-3) and temperature grade. Ensure compatibility with PCB footprint dimensions for the SC-70-3 package. Confirm RoHS compliance status through the manufacturer's latest datasheet or certification documents before procurement.

ADCs/DACs - Special Purpose Selection Notes

Select the MAX1040BETX when a 2.5V reference with 0.1% accuracy is required in a small form factor. Compare the 30 PPM/°C temperature coefficient against application thermal stability needs. Verify that the 15 mA maximum shunt current meets the load requirements of the target circuit design.

ADCs/DACs - Special Purpose Part Context

The MAX1040 series belongs to Maxim Integrated's family of micropower shunt voltage references. These devices are designed to replace Zener diodes in precision applications, offering superior stability and lower noise. The MAX1040BETX specifically denotes the 2.5V variant in the SC-70-3 package, part of the broader MAX1040 product line used in high-precision analog circuits.

ADCs/DACs - Special Purpose Replacement Considerations

Check for direct pin-compatible alternatives such as other 2.5V references in SC-70-3 packages from Analog Devices. Verify electrical parameter equivalence, including accuracy, temperature coefficient, and shunt current limits, before substituting.