ADR510PARAMETER DEFINITIONS TEMPERATURE COEFFICIENTTHERMAL HYSTERESIS This is the change of output voltage with respect to the Thermal hysteresis is the change of output voltage after the operating temperature changes, normalized by the output device is cycled through the temperature from 25°C to 0°C to voltage at 25°C. This parameter is expressed in parts per 85°C and back to 25°C. million/degrees Celsius (ppm/°C) and can be determined with V = V (25 C ° ) − V the following equation: OUT _ HYS OUT OUT _ TC V (25°C) − V V (T2) − V ( ) T1 OUT OUT _ TC 6 OUT OUT 6 V = TCV [ppm/ °C] = × 10 (1) [ppm] × 10 (2) OUT _ HYS OUT V 25° V (25°C) × (T2 − ) T1 ( C) OUT OUT where: where: V VOUT(25°C) is the output voltage at 25°C. OUT(25°C) is the output voltage at 25°C. V VOUT_TC is the output voltage at 25°C after temperature cycle at OUT(T1) is the output voltage at Temperature 1. V +25°C to −40°C to +85°C and back to +25°C. OUT(T2) is the output voltage at Temperature 2. Rev. B | Page 7 of 12 Document Outline FEATURES APPLICATIONS PIN CONFIGURATION GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS PARAMETER DEFINITIONS TEMPERATURE COEFFICIENT THERMAL HYSTERESIS APPLICATIONS INFORMATION ADJUSTABLE PRECISION VOLTAGE SOURCE OUTPUT VOLTAGE TRIM USING THE ADR510 WITH PRECISION DATA CONVERTERS PRECISE NEGATIVE VOLTAGE REFERENCE OUTLINE DIMENSIONS ORDERING GUIDE