Datasheet ADR121, ADR125, ADR127 (Analog Devices) - 3

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ADR121/ADR125/ADR127 SPECIFICATIONS ADR121 ELECTRICAL CHARACTERISTICS
TA = 25°C, VIN = 2.8 V to 18 V, IOUT = 0 mA, unless otherwise noted.
Table 1. Parameter Symbol Conditions/Comments Min Typ Max Unit
OUTPUT VOLTAGE VOUT B Grade 2.497 2.5 2.503 V A Grade 2.494 2.5 2.506 V INITIAL ACCURACY ERROR VOERR B Grade −0.12 +0.12 % A Grade −0.24 +0.24 % TEMPERATURE COEFFICIENT TCVOUT −40°C < TA < +125°C B Grade 3 9 ppm/°C A Grade 15 25 ppm/°C DROPOUT (VOUT − VIN) VDO IOUT = 0 mA 300 mV LOAD REGULATION −40°C < TA < +125°C; VIN = 5.0 V, 80 300 ppm/mA 0 mA < IOUT < 5 mA −40°C < TA < +125°C; VIN = 5.0 V, 50 300 ppm/mA −2 mA < IOUT < 0 mA LINE REGULATION 2.8 V to 18 V, IOUT = 0 mA −50 +3 +50 ppm/V PSRR f = 60 Hz −90 dB QUIESCENT CURRENT IQ −40°C < TA < +125°C, no load VIN = 18 V 95 125 μA VIN = 2.8 V 80 95 μA SHORT-CIRCUIT CURRENT TO GROUND VIN = 2.8 V 18 mA VIN = 18 V 40 mA VOLTAGE NOISE f = 10 kHz 500 nV/√Hz f = 0.1 Hz to 10 Hz 18 μV p-p TURN-ON SETTLING TIME To 0.1%, CL = 0.2 μF 100 μs LONG-TERM STABILITY 1000 hours @ 25°C 150 ppm/1000 hrs OUTPUT VOLTAGE HYSTERESIS See the Terminology section 300 ppm Rev. B | Page 3 of 20 Document Outline FEATURES APPLICATIONS PIN CONFIGURATION GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ADR121 ELECTRICAL CHARACTERISTICS ADR125 ELECTRICAL CHARACTERISTICS ADR127 ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION POWER DISSIPATION CONSIDERATIONS INPUT CAPACITOR OUTPUT CAPACITOR APPLICATIONS INFORMATION BASIC VOLTAGE REFERENCE CONNECTION STACKING REFERENCE ICs FOR ARBITRARY OUTPUTS NEGATIVE PRECISION REFERENCE WITHOUT PRECISION RESISTORS GENERAL-PURPOSE CURRENT SOURCE OUTLINE DIMENSIONS ORDERING GUIDE