link to page 3 link to page 3 link to page 3 ADR1581SPECIFICATIONS TA = 25°C, IIN = 100 μA, unless otherwise noted. Table 1.ADR1581AADR1581BParameter MinTypMaxMinTypMaxUnit REVERSE VOLTAGE OUTPUT (SOT-23) 1.240 1.250 1.260 1.2485 1.250 1.2515 V REVERSE VOLTAGE TEMPERATURE DRIFT −40°C to +85°C 100 50 ppm/°C MINIMUM OPERATING CURRENT, TMIN to TMAX 60 60 μA REVERSE VOLTAGE CHANGE WITH REVERSE CURRENT 60 μA < IIN < 10 mA, TMIN to TMAX 2.5 6 2.5 6 mV 60 μA < IIN < 1 mA, TMIN to TMAX 0.8 0.8 mV DYNAMIC OUTPUT IMPEDANCE (∆VR/ΔIR) IIN = 1 mA ± 100 μA (f = 120 Hz) 0.4 1 0.4 0.5 Ω OUTPUT NOISE RMS Noise Voltage: 10 Hz to 10 kHz 20 20 μV rms Low Frequency Noise Voltage: 0.1 Hz to 10 Hz 4.5 4.5 μV p-p TURN-ON SETTLING TIME TO 0.1%1 5 5 μs OUTPUT VOLTAGE HYSTERESIS2 80 80 μV TEMPERATURE RANGE Specified Performance, TMIN to TMAX −40 +85 −40 +85 °C Operating Range3 −55 +125 −55 +125 °C 1 Measured with a no load capacitor. 2 Output hysteresis is defined as the change in the +25°C output voltage after a temperature excursion to −40°C, then to +85°C, and back to +25°C. 3 The operating temperature range is defined as the temperature extremes at which the device continues to function. Parts may deviate from their specified performance. Rev. 0 | Page 3 of 12 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PIN CONFIGURATION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLYING THE ADR1581 TEMPERATURE PERFORMANCE VOLTAGE OUTPUT NONLINEARITY VS. TEMPERATURE REVERSE VOLTAGE HYSTERESIS OUTPUT IMPEDANCE VS. FREQUENCY NOISE PERFORMANCE AND REDUCTION TURN-ON TIME TRANSIENT RESPONSE PRECISION MICROPOWER LOW DROPOUT REFERENCE USING THE ADR1581 WITH 3 V DATA CONVERTERS OUTLINE DIMENSIONS ORDERING GUIDE
