Product Summary

The ADR421ARZ is an ultraprecision second-generation XFET voltage reference featuring low noise, high accuracy, and excellent long-term stability in a SOIC and Mini_SOIC footprints. Patented temperature drift curvature correction technique and XFET (eXtra implanted junction FET) technology minimize nonlinearity of the voltage change with temperature. The ADR421ARZ offers superior accuracy and thermal hysteresis to the bandgap references. It also operates at lower power and lower supply headroom than the Buried Zener references. The applications of the ADR421ARZ are (1)Precision Data Acquisition Systems; (2)High-Resolution Converters; (3)Battery-Powered Instrumentation; (4)Portable Medical Instruments; (5)Industrial Process Control Systems; (6)Precision Instruments; (7)Optical Network Control Circuits.

Parametrics

ADR421ARZ absolute maximum ratings: (1)Supply Voltage: 18 V; (2)Output Short-Circuit Duration to GND: Indefinite; (3)Storage Temperature Range: –65 to +150℃; (4)Operating Temperature Range: –40 to +125℃; (5)Junction Temperature Range: –65 to +150℃; (6)Lead Temperature Range (Soldering, 60 sec): 300℃.

Features

ADR421ARZ features: (1)Low Temperature Coefficient: 3 ppm/℃; (2)Long-Term Stability: 50 ppm/1000 Hours; (3)Load Regulation: 70 ppm/mA; (4)Line Regulation: 35 ppm/V; (5)Low Hysteresis: 40 ppm Typical; (6)Wide Operating Range; (7)Quiescent Current: 0.5 mA Maximum; (8)High Output Current: 10 mA; (9)Wide Temperature Range: –40 to +125℃.

Diagrams

ADR421ARZ block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
ADR421ARZ
ADR421ARZ

IC VREF SERIES PREC 2.5V 8-SOIC
Data Sheet
0-1: $3.89
1-10: $3.50
10-100: $2.88
100-250: $2.64
250-500: $2.41
500-1000: $2.10
1000-2500: $2.07
ADR421ARZ-REEL7
ADR421ARZ-REEL7

IC VREF SERIES PREC 2.5V 8-SOIC
Data Sheet
0-1000: $2.10