MAX6143AASA10+T

Overview

The MAX6143AASA10+T is a high-precision series voltage reference providing a fixed +10V output with ±0.05% initial accuracy and a maximum temperature coefficient of 3ppm/°C. It accepts input voltages from VOUT + 2V up to +40V, drawing 340µA typical supply current. The device features an integrated linear temperature sensor output (TEMP) proportional to die temperature and a TRIM pin for fine voltage adjustment via a resistive divider. It operates over the -40°C to +125°C automotive temperature range in an 8-pin SO package.

Feature Summary

• Integrated linear temperature transducer output proportional to die temperature
• Proprietary curvature-correction circuit with laser-trimmed thin-film resistors
• Active-low shutdown feature reducing supply current to 0.01µA
• Stable without external output bypass capacitors

Applications

• High-resolution A/D converters
• D/A converters
• Threshold detectors
• Digital voltmeters

Procurement Notes

Verify the ordering suffix '+T' indicates tape-and-reel packaging rather than tube. Confirm the 'A' grade designation corresponds to the specified ±0.05% initial accuracy and 3ppm/°C temperature coefficient. Ensure the manufacturer is identified as Analog Devices Inc./Maxim Integrated for compatibility with existing documentation.

Selection Notes

Select this part when a fixed 10V precision reference is required alongside on-chip temperature sensing capabilities. The wide input voltage range supports systems powered by higher voltage rails. The low quiescent current and shutdown mode make it suitable for battery-operated applications requiring extended standby life.

Part Context

The MAX6143 family includes variants with outputs of +2.5V, +3.3V, +4.096V, +5.0V, and +10V. The 'A' suffix denotes tighter accuracy specifications compared to the 'B' grade. All variants share the same 8-pin SO package and functional architecture, differing primarily in factory-trimmed output voltage and initial accuracy tolerances.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.