link to page 3 link to page 3 ADR525/ADR530/ADR550SPECIFICATIONS ADR525 ELECTRICAL CHARACTERISTICS IIN = 50 μA to 15 mA, TA = 25°C, unless otherwise noted. Table 2. Parameter SymbolConditionsMinTypMaxUnit Output Voltage VOUT Grade A 2.490 2.500 2.510 V Grade B 2.495 2.500 2.505 V Initial Accuracy VOERR Grade A ±0.4% −10 +10 mV Grade B ±0.2% −5 +5 mV Temperature Coefficient1 TCVO −40°C < TA < +85°C Grade A 25 70 ppm/°C Grade B 15 40 ppm/°C Output Voltage Change vs. IIN ∆VR IIN = 0.1 mA to 15 mA 1 mV −40°C < TA < +85°C 4 mV IIN = 1 mA to 15 mA, −40°C < TA < +85°C 2 mV Dynamic Output Impedance (∆VR/∆IR) IIN = 0.1 mA to 15 mA 0.2 Ω Minimum Operating Current IIN −40°C < TA < +85°C 50 μA Voltage Noise eN p-p 0.1 Hz to 10 Hz 18 μV p-p Turn-On Settling Time tR 2 μs Output Voltage Hysteresis ∆VOUT_HYS IIN = 1 mA 40 ppm 1 Guaranteed by design, but not production tested. ADR530 ELECTRICAL CHARACTERISTICS IIN = 50 μA to 15 mA, TA = 25°C, unless otherwise noted. Table 3. Parameter SymbolConditionsMinTypMaxUnit Output Voltage VOUT Grade A 2.988 3.000 3.012 V Grade B 2.994 3.000 3.006 V Initial Accuracy VOERR Grade A ±0.4% −12 +12 mV Grade B ±0.2% −6 +6 mV Temperature Coefficient1 TCVO −40°C < TA < +85°C Grade A 25 70 ppm/°C Grade B 15 40 ppm/°C Output Voltage Change vs. IIN ∆VR IIN = 0.1 mA to 15 mA 1 mV −40°C < TA < +85°C 4 mV IIN = 1 mA to 15 mA, −40°C < TA < +85°C 2 mV Dynamic Output Impedance (∆VR/∆IR) IIN = 0.1 mA to 15 mA 0.2 Ω Minimum Operating Current IIN −40°C < TA < +85°C 50 μA Voltage Noise eN p-p 0.1 Hz to 10 Hz 22 μV p-p Turn-On Settling Time tR 2 μs Output Voltage Hysteresis ∆VOUT_HYS IIN = 1 mA 40 ppm 1 Guaranteed by design, but not production tested. Rev. F | Page 3 of 12 Document Outline FEATURES APPLICATIONS PIN CONFIGURATION GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ADR525 ELECTRICAL CHARACTERISTICS ADR530 ELECTRICAL CHARACTERISTICS ADR550 ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PARAMETER DEFINITIONS TEMPERATURE COEFFICIENT THERMAL HYSTERESIS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATIONS Precision Negative Voltage Reference Output Voltage Trim Stacking the ADR525/ADR530/ADR550 for User-Definable Outputs Adjustable Precision Voltage Source OUTLINE DIMENSIONS ORDERING GUIDE