MAX6143AASA50+T

Overview

The MAX6143AASA50+T is a high-precision voltage reference with an integrated temperature sensor, manufactured by Analog Devices Inc./Maxim Integrated. It provides a fixed +5.0V output with ±0.06% initial accuracy and a maximum temperature coefficient of 3ppm/°C. The device operates over an extended temperature range from -40°C to +125°C and accepts input voltages up to +40V. It features a low quiescent supply current of 340µA and includes an active-low shutdown pin that reduces current consumption to 0.01µA. The unit is housed in an 8-pin SO package.

Feature Summary

• Proprietary curvature-correction circuit ensures excellent temperature stability
• Integrated linear temperature transducer output proportional to die temperature
• Active-low shutdown feature significantly reduces power consumption
• Stable without external output bypass capacitors

Applications

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

Procurement Notes

Verify the specific suffix 'T' indicates tape-and-reel packaging when sourcing. Confirm the 'A' grade designation corresponds to the required ±0.06% initial accuracy specification. Ensure the '+T' suffix aligns with RoHS compliance requirements for your assembly process. Cross-reference the manufacturer part number with distributor catalogs to confirm availability status.

Selection Notes

Select this component when precise voltage regulation is required alongside simultaneous temperature monitoring capabilities. The integrated TEMP pin eliminates the need for separate thermistors or sensors in space-constrained designs. Consider the 30mA source capability if driving moderate loads directly. Evaluate the 3ppm/°C drift against system accuracy budgets across the full industrial temperature range.

Part Context

This device belongs to the MAX6143 family of precision references, which offers various preset output voltages including 2.5V, 3.3V, 4.096V, and 10V. The 'A' suffix denotes tighter initial accuracy compared to the 'B' grade variants. The MAX6143 series utilizes bandgap technology and laser-trimmed thin-film resistors to achieve low noise and high stability in an 8-pin SO package.

Replacement Considerations

MAX6143AASA50+