CAT8900D250TBGT3

Overview

The CAT8900D250TBGT3 is a precision analog voltage reference manufactured by onsemi. It provides a fixed output voltage of 2.5 V with a tolerance of ±5%. The device operates within an input voltage range of 2.7 V to 5.5 V and draws a supply current of 800 nA. It features a temperature coefficient of 50 ppm/°C and exhibits low noise of 50 µVp-p from 0.1 Hz to 10 Hz. The component supports a maximum output current of 10 mA and functions reliably across a temperature range of -40°C to +85°C. It is housed in a compact SOT-23-3 surface-mount package.

Feature Summary

• Provides a stable, fixed series voltage reference output for precision applications
• Operates with ultra-low quiescent current consumption suitable for battery-powered systems
• Delivers low noise performance to maintain signal integrity in sensitive circuits
• Utilizes a compact three-terminal surface-mount package for space-constrained designs

Applications

• Portable instrumentation requiring precise voltage standards
• Battery-operated measurement devices
• Data acquisition systems needing stable reference sources
• Handheld test equipment

Procurement Notes

Verify the specific suffix D250TBGT3 against official onsemi documentation to confirm the exact output voltage and tolerance specifications. Confirm RoHS compliance status through the manufacturer's latest datasheet or certification documents. Check for any recent product lifecycle announcements regarding obsolescence or last-time buy notifications directly from onsemi channels before procurement planning.

Selection Notes

Select this component when a fixed 2.5 V reference with ±5% accuracy is required. Ensure the application input voltage remains between 2.7 V and 5.5 V. Consider the 800 nA supply current for power-sensitive designs. Verify that the SOT-23-3 package fits the PCB layout constraints. Compare thermal performance requirements against the specified operating temperature range of -40°C to +85°C.

Part Context

This part belongs to the CAT8900 series of precision analog voltage references from onsemi. The series offers various fixed output voltages in a small SOT-23 package. These devices are designed for applications requiring high stability and low power consumption. The CAT8900 series is commonly used in portable electronics and industrial instrumentation where space and energy efficiency are critical design factors.

Replacement Considerations

Consult the official onsemi CAT8900 datasheet for confirmed substitute part numbers within the same family. Verify pinout compatibility and electrical parameter alignment for any cross-references. Do not assume functional equivalence with other manufacturers' parts without detailed specification comparison.