CAT8900B250TBGT3

Overview

The CAT8900B250TBGT3 is a series precision voltage reference IC manufactured by onsemi. It provides a fixed output voltage of 2.5V with an initial accuracy of ±0.04%. The device operates within an input voltage range of 2.7V to 5.5V and draws a quiescent current of 800nA. It features a maximum load current capability of 10 mA and exhibits low noise, specified at 50µVp-p from 0.1Hz to 10Hz. The component is housed in a SOT-23-3 package and is rated for operation over an industrial temperature range of -40°C to +85°C.

Feature Summary

• Provides high-precision fixed voltage output with tight initial tolerance
• Features ultra-low quiescent current consumption for power efficiency
• Delivers low noise performance suitable for sensitive analog circuits
• Supports moderate load current in a compact surface-mount package

Applications

• Precision data acquisition systems requiring stable reference voltages
• Battery-powered instrumentation benefiting from low current draw
• Analog-to-digital converter (ADC) reference inputs
• Sensor signal conditioning circuits

Procurement Notes

Verify component authenticity through authorized distributors due to potential counterfeits. Confirm RoHS compliance status via the official datasheet as regulatory requirements vary by region. Check for obsolescence notices or lifecycle changes directly from onsemi before finalizing design-in decisions. Ensure packaging specifications match assembly line requirements.

Selection Notes

Select this part when a fixed 2.5V reference with high initial accuracy is required. Compare against other CAT8900 variants if different output voltages or tolerance levels are needed. Consider the SOT-23-3 package constraints for PCB layout. Evaluate thermal performance within the specified operating temperature range for the specific application environment.

Part Context

This component belongs to the CAT8900 family of series voltage references from onsemi. The family includes various output voltage options such as 1.2V, 2.5V, and 3.0V. These devices are designed for applications demanding stability and low power consumption. The CAT8900B250TBGT3 specifically denotes the 2.5V output variant with B-grade accuracy.

Replacement Considerations

Check for direct pin-compatible substitutes within the CAT8900 series offering different voltages or tolerances. Verify electrical parameter compatibility with any cross-brand alternatives. Consult onsemi documentation for recommended replacement strategies if this specific part number is discontinued.