ISL21010DFH310Z-T7A

Overview

The ISL21010DFH310Z-T7A is a precision micropower bandgap voltage reference IC manufactured by Renesas Electronics Corporation. It provides a fixed output voltage of 3.0V with an initial accuracy of ±0.2%. The device operates from a single supply voltage ranging from 3.1V to 5.5V, featuring a low dropout voltage of 150mV and a typical supply current of 48μA. It delivers up to 25mA of output current sourcing capability. The component is housed in a space-saving SOT-23 package and supports an operating temperature range from -40°C to +125°C.

Feature Summary

• Precision bandgap voltage reference technology ensuring high stability and accuracy
• Micropower operation with low supply current suitable for battery-powered applications
• Low dropout voltage design enabling efficient performance across wide input ranges
• High output current sourcing capability for driving load requirements

Applications

• Battery management and monitoring systems
• Portable instrumentation and consumer electronics
• Medical electronics requiring stable reference voltages
• Power regulation circuits and control loops
• LED and diode supply networks

Procurement Notes

Verify the specific suffix 'T7A' against official Renesas documentation to confirm tape-and-reel packaging specifications. Ensure the part number matches the exact 3.0V output variant within the ISL21010 series. Cross-reference manufacturing dates and lot codes with current datasheets to confirm compliance with RoHS standards and any recent product change notices affecting availability or specifications.

Selection Notes

Select this component when a precise 3.0V reference is required with minimal quiescent current consumption. The SOT-23 package offers a compact footprint for space-constrained designs. Consider the 3.1V minimum input voltage requirement relative to the available supply rail. The ±0.2% initial accuracy and low temperature coefficient make it suitable for applications demanding high precision without complex calibration.

Part Context

The ISL21010 series represents Renesas's portfolio of low-power voltage references designed for portable and industrial applications. This specific model integrates into the broader ISL21010 family, which offers various fixed output voltages including 1.024V, 1.25V, 2.048V, and 4.096V. The series is characterized by its combination of micropower operation and high precision, targeting markets such as medical devices, portable instruments, and battery-operated equipment where energy efficiency and accuracy are critical.

Replacement Considerations

Direct substitutes include other variants within the ISL21010 series with different output voltages if system architecture allows. Generic replacements may include other precision bandgap references from manufacturers like TI or Analog Devices offering similar 3.0V outputs, SOT-23 packages, and comparable noise and accuracy specifications.