ZN458 - GEC Plessey Semiconductors

ZN458 2.45V Precision Reference Regulator

w w a D . w S a t e e h U 4 t m o .c THIS DOCUMENT IS FOR MAINTENANCE PURPOSES ONLY AND IS NOT RECOMMENDED FOR NEW DESIGNS w w w t a .D S a e h U 4 t e .c m o w w w .D a t a e h S 4 t e U m o .c DS3025 - 2.1 ZN458 2.45V PRECISION REFERENCE REGULATOR The ZN458 is a monolithic integrated circuit providing a precise stable reference s.

Features

s s s s s s s s s Guaranteed 5mV Maximum Deviation over Full Temperature Range Low Temperature Coefficient 0.003%/°C Low Slope Resistance - 0.1 Ohms Very Good Long Term Stability - 10ppm Low Noise - 10 microvolts Internally Shaped Tight Tolerance ±1.43% Two Pin Package Wide Operating Current 2-120mA VS VS - VREF R= IREF R VREF CM2 Fig.1 Pin connection - bottom view ABSOLUTE MAXIMUM RATINGS Dissipation Operating temperature range Storage temperature range 300mW -20°C to +70°C -55°C to +150°C AV +VE ORDERING INFORMATION Device ZN458 ZN458A ZN458B TC (ppm/°C) 99 49 29 Temperature range -20°C t.