REF192GS-REEL7

Overview

The REF192GS-REEL7 is a micropower, low dropout voltage reference from the Analog Devices REF19x series. It provides a nominal output voltage of 2.5 V with an initial accuracy of ±2 mV maximum. The device features a temperature coefficient of 5 ppm/°C maximum and supports an output current of 30 mA. Supply current is limited to 45 μA maximum, reducing to 15 μa in sleep mode. It operates within a supply voltage range of 3.0 V to 15 V and functions across temperatures from -40°C to +85°C.

Feature Summary

• Utilizes patented temperature drift curvature correction circuitry for high precision
• Includes a dedicated sleep mode pin for significant power reduction
• Offers short-circuit protection for enhanced reliability
• Achieves low dropout voltage operation for efficient power usage

Applications

• Portable instruments
• ADCs and DACs
• Smart sensors
• Solar powered applications
• Loop-current-powered instruments

Procurement Notes

Verify the specific suffix 'GS' indicates the SOIC package variant when sourcing. Confirm the 'REEL7' designation matches the required tape and reel packaging format for automated assembly. Ensure the grade (E, F, or G) aligns with the necessary accuracy specifications for the target application. Cross-reference the manufacturer part number against official distributor catalogs to confirm availability and authenticity.

Selection Notes

Select this component for designs requiring a stable 2.5 V reference with minimal quiescent current consumption. The low dropout characteristic makes it suitable for battery-operated systems where supply voltage may approach the output level. Consider the available electrical grades if tighter initial accuracy or lower temperature coefficients are required beyond the standard specifications.

Part Context

This part belongs to the REF19x series of precision band gap voltage references. The series includes various nominal output voltages such as 2.048 V, 3.0 V, 4.5 V, and 5.0 V. All variants share similar architectural features including laser trimming and micropower operation. The REF192 specifically targets applications needing a 2.5 V reference point.

Replacement Considerations

REF192GRUZ-REEL7

FAQ

What is the function of Pin 1 and Pin 5?

Pin 1 and Pin 5 are factory test points reserved for in-package Zener zap trimming. They should remain unconnected during normal operation.

How is the sleep mode activated?

Sleep mode is enabled by applying a low TTL or CMOS logic level to the SLEEP pin, which turns off the output and reduces supply current.