CAT8900B180TBGT3

Overview

The CAT8900B180TBGT3 is a precision analog voltage reference IC manufactured by onsemi. It provides a fixed output voltage of 1.8V with an initial accuracy tolerance of ±0.06%. The device operates within an input voltage range of 2.7V to 5.5V and draws a supply current of 800nA. It features a temperature coefficient of 50ppm/°C and exhibits low noise of 50µVp-p in the 0.1Hz to 10Hz frequency band. The component is housed in a compact SOT-23-3 surface-mount package and supports an operating temperature range from -40°C to +85°C.

Feature Summary

• Delivers high-precision fixed voltage output with tight initial accuracy tolerance for sensitive measurement applications.
• Operates with ultra-low quiescent current consumption to support battery-powered or energy-efficient designs.
• Provides stable reference performance across industrial temperature ranges with low drift characteristics.

Applications

• Precision data acquisition systems requiring accurate analog-to-digital conversion references
• Calibration equipment needing stable voltage standards
• Medical instrumentation requiring high signal integrity

Procurement Notes

Verify the specific suffix TBGT3 against the official datasheet to confirm package type and tape-and-reel specifications. Confirm RoHS compliance status as required by project regulations. Check for any recent product change notices regarding packaging or material declarations before finalizing procurement orders.

Selection Notes

Select this component when a fixed 1.8V reference with ±0.06% accuracy is required. Ensure the input voltage remains within the 2.7V to 5.5V operational window. Consider the SOT-23-3 footprint constraints and thermal management requirements for the target application environment.

Part Context

This part belongs to the CAT8900 series of precision voltage references from onsemi. The series offers various fixed output voltages and accuracy grades, all sharing similar low-power characteristics and compact packaging options suitable for space-constrained electronic designs.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative components based on pinout, voltage accuracy, and package dimensions through independent datasheet comparison.