S-7760A4115-HCT1

Overview

The S-7760A4115-HCT1 is a precision voltage reference IC from ABLIC Inc., designed to provide stable output voltages for high-accuracy applications. It features an output voltage of 1.15V with an initial accuracy of ±0.1% and a low temperature coefficient of 20 ppm/°C, ensuring performance stability across varying thermal conditions. The device operates within a supply voltage range of 2.0V to 6.0V and draws a typical quiescent current of 3.5 µA. Packaged in an ultra-small SOT-23-3 format, it supports load currents up to 10 mA, making it suitable for space-constrained designs requiring reliable reference sources.

Feature Summary

• Industry-leading output voltage accuracy of ±0.1% ensures precise signal processing
• Ultra-low temperature coefficient of 20 ppm/°C maintains stability in harsh environments
• Low power consumption with 3.5 µA quiescent current extends battery life
• Compact SOT-23-3 package facilitates integration into dense PCB layouts

Applications

• High-precision analog-to-digital converters (ADC) and digital-to-analog converters (DAC)
• Sensor signal conditioning circuits requiring stable reference voltages
• Portable medical devices and instrumentation where power efficiency is critical
• Automotive electronics and ADAS domain controllers demanding reliability

Procurement Notes

Verify the specific suffix HCT1 confirms the tape-and-reel packaging configuration and the exact 1.15V output variant. Ensure compatibility with your board's thermal management requirements given the small SOT-23-3 footprint. Confirm that the 10 mA load capability meets your circuit's maximum current demands without exceeding the device's absolute maximum ratings.

Selection Notes

Select this component when application requires sub-percent accuracy and minimal drift over temperature. Compare against standard references if higher current drive or different voltage levels are needed. Consider the 2.0V minimum operating voltage to ensure adequate headroom for your system's supply rails. Evaluate the trade-off between the low quiescent current and the required transient response speed for your specific load dynamics.

Part Context

This part belongs to the S-7760 series of precision voltage references from ABLIC Inc., known for high accuracy and low temperature coefficients. The series is engineered for applications demanding superior stability compared to standard bandgap references. The S-7760A4115 variant specifically targets niche voltage requirements like 1.15V, often used in specialized sensor interfaces or calibration circuits.

Replacement Considerations

Direct substitutes may include other ±0.1% accuracy references such as those from Texas Instruments or Analog Devices, provided they match the 1.15V output and SOT-23-3 package. Verify pinout compatibility and thermal characteristics before substitution. Alternative parts might offer different current capabilities or slightly varied temperature coefficients.