Datasheet REF198x (Analog Devices) - 6

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REF19x Series Data Sheet ELECTRICAL CHARACTERISTICS—REF191 @ −40°C ≤ TA ≤ +125°C
@ VS = 3.3 V, −40°C ≤ TA ≤ +125°C, unless otherwise noted.
Table 4. Parameter Symbol Condition Min Typ Max Unit
TEMPERATURE COEFFICIENT1, 2 TCVO/°C E Grade IOUT = 0 mA 2 ppm/°C F Grade 5 ppm/°C G Grade3 10 ppm/°C LINE REGULATION4 ΔVO/ΔVIN E Grade 3.0 V ≤ VS ≤ 15 V, IOUT = 0 mA 10 ppm/V F and G Grades 20 ppm/V LOAD REGULATION4 ΔVO/ΔVLOAD E Grade VS = 5.0 V, 0 mA ≤ IOUT ≤ 20 mA 10 ppm/mA F and G Grades 20 ppm/mA DROPOUT VOLTAGE VS − VO VS = 3.3 V, ILOAD = 10 mA 1.25 V VS = 3.6 V, ILOAD = 20 mA 1.55 V 1 For proper operation, a 1 μF capacitor is required between the output pin and the GND pin of the device. 2 TCVO is defined as the ratio of output change with temperature variation to the specified temperature range expressed in ppm/°C. TCVO = (VMAX − VMIN)/VO(TMAX − TMIN) 3 Guaranteed by characterization. 4 Line and load regulation specifications include the effect of self-heating.
ELECTRICAL CHARACTERISTICS—REF192 @ TA = 25°C
@ VS = 3.3 V, TA = 25°C, unless otherwise noted.
Table 5. Parameter Symbol Condition Min Typ Max Unit
INITIAL ACCURACY1 VO E Grade IOUT = 0 mA 2.498 2.500 2.502 V F Grade 2.495 2.505 V G Grade 2.490 2.510 V LINE REGULATION2 ΔVO/ΔVIN E Grade 3.0 V ≤ VS ≤ 15 V, IOUT = 0 mA 2 4 ppm/V F and G Grades 4 8 ppm/V LOAD REGULATION2 ΔVO/ΔVLOAD E Grade VS = 5.0 V, 0 mA ≤ IOUT ≤ 30 mA 4 10 ppm/mA F and G Grades 6 15 ppm/mA DROPOUT VOLTAGE VS − VO VS = 3.5 V, ILOAD = 10 mA 1.00 V VS = 3.9 V, ILOAD = 30 mA 1.40 V LONG-TERM STABILITY3 DVO 1000 hours @ 125°C 1.2 mV NOISE VOLTAGE eN 0.1 Hz to 10 Hz 25 μV p-p 1 Initial accuracy does not include shift due to solder heat effect (see the Applications Information section). 2 Line and load regulation specifications include the effect of self-heating. 3 Long-term stability specification is noncumulative. The drift in subsequent 1000-hour periods is significantly lower than in the first 1000-hour period. Rev. L | Page 6 of 28 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TEST PINS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ELECTRICAL CHARACTERISTICS—REF191 @ TA = 25°C ELECTRICAL CHARACTERISTICS—REF191 @ −40°C ≤ +85°C ELECTRICAL CHARACTERISTICS—REF191 @ −40°C ≤ TA ≤ +125°C ELECTRICAL CHARACTERISTICS—REF192 @ TA = 25°C ELECTRICAL CHARACTERISTICS—REF192 @ −40°C ≤ TA ≤ +85°C ELECTRICAL CHARACTERISTICS—REF192 @ −40°C ≤ TA ≤ +125°C ELECTRICAL CHARACTERISTICS—REF193 @ TA = 25°C ELECTRICAL CHARACTERISTICS—REF193 @ −40°C ≤ TA ≤ +85°C ELECTRICAL CHARACTERISTICS—REF193 @ TA ≤ −40°C ≤ +125°C ELECTRICAL CHARACTERISTICS—REF194 @ TA = 25°C ELECTRICAL CHARACTERISTICS—REF194 @ −40°C ≤ TA ≤ +85°C ELECTRICAL CHARACTERISTICS—REF194 @ −40°C ≤ TA ≤ +125°C ELECTRICAL CHARACTERISTICS—REF195 @ TA = 25°C ELECTRICAL CHARACTERISTICS—REF195 @ −40°C ≤ TA ≤ +85°C ELECTRICAL CHARACTERISTICS—REF195 @ −40°C ≤ TA ≤ +125°C ELECTRICAL CHARACTERISTICS—REF196 @ TA = 25°C ELECTRICAL CHARACTERISTICS—REF196 @ −40°C ≤ TA ≤ +85°C ELECTRICAL CHARACTERISTICS—REF196 @ −40°C ≤ TA ≤ +125°C ELECTRICAL CHARACTERISTICS—REF198 @ TA = 25°C ELECTRICAL CHARACTERISTICS—REF198 @ −40°C ≤ TA ≤ +85°C ELECTRICAL CHARACTERISTICS—REF198 @ −40°C ≤ TA ≤ 125°C ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS APPLICATIONS INFORMATION OUTPUT SHORT-CIRCUIT BEHAVIOR DEVICE POWER DISSIPATION CONSIDERATIONS OUTPUT VOLTAGE BYPASSING SLEEP MODE OPERATION BASIC VOLTAGE REFERENCE CONNECTIONS MEMBRANE SWITCH-CONTROLLED POWER SUPPLY SOLDER HEAT EFFECT CURRENT-BOOSTED REFERENCES WITH CURRENT LIMITING NEGATIVE PRECISION REFERENCE WITHOUT PRECISION RESISTORS STACKING REFERENCE ICs FOR ARBITRARY OUTPUTS PRECISION CURRENT SOURCE SWITCHED OUTPUT 5 V/3.3 V REFERENCE KELVIN CONNECTIONS FAIL-SAFE 5 V REFERENCE LOW POWER, STRAIN GAGE CIRCUIT OUTLINE DIMENSIONS ORDERING GUIDE