Datasheet LT1790 (Analog Devices) - 6

LT1790
2.048V ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified temperature range, otherwise specifications are at TA = 25°C. CL = 1µF and VIN = 2.8V, unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
Output Noise (Note 8) 0.1Hz ≤ f ≤ 10Hz 22 µVP-P 10Hz ≤ f ≤ 1kHz 41 µVRMS Long-Term Drift of Output Voltage (Note 9) 50 ppm/√kHr Hysteresis (Note 10) ∆T = 0°C to 70°C l 25 ppm ∆T = –40°C to 85°C l 40 ppm
2.5V ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified temperature range, otherwise specifications are at TA = 25°C. CL = 1µF and VIN = 3V, unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
Output Voltage (Notes 3, 4) LT1790A 2.49875 2.5 2.50125 V –0.05 0.05 % LT1790B 2.4975 2.5 2.5025 V –0.1 0.1 % LT1790AC l 2.4970 2.5 2.5030 V l –0.12 0.12 % LT1790AI l 2.49563 2.5 2.50438 V l –0.175 0.175 % LT1790BC l 2.49313 2.5 2.50688 V l –0.275 0.275 % LT1790BI l 2.48969 2.5 2.51031 V l –0.4125 0.4125 % Output Voltage Temperature Coefficient (Note 5) TMIN ≤ TA ≤ TMAX LT1790A l 5 10 ppm/°C LT1790B l 12 25 ppm/°C Line Regulation 3V ≤ VIN ≤ 18V 50 170 ppm/V l 220 ppm/V Load Regulation (Note 6) IOUT Source = 5mA 80 160 ppm/mA l 250 ppm/mA IOUT Sink = 3mA 70 110 ppm/mA l 300 ppm/mA Dropout Voltage (Note 7) VIN – VOUT, ∆VOUT = 0.1% IOUT = 0mA 50 100 mV l 120 mV IOUT Source = 5mA l 450 mV IOUT Sink = 3mA l 250 mV Supply Current No Load 35 60 µA l 80 µA Minimum Operating Current— VOUT = –2.5V, 0.1% 100 125 µA Negative Output (See Figure 7) Turn-On Time CLOAD = 1µF 700 µs Output Noise (Note 8) 0.1Hz ≤ f ≤ 10Hz 32 µVP-P 10Hz ≤ f ≤ 1kHz 48 µVRMS Long-Term Drift of Output Voltage (Note 9) 50 ppm/√kHr Hysteresis (Note 10) ∆T = 0°C to 70°C l 25 ppm ∆T = –40°C to 85°C l 40 ppm 1790fc 6 For more information www.linear.com/LT1790 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Available Options 1.25V Electrical Characteristics 2.048V Electrical Characteristics 2.5V Electrical Characteristics 3V Electrical Characteristics 3.3V Electrical Characteristics 4.096V Electrical Characteristics 5V Electrical Characteristics 1.25V Typical Performance Characteristics 2.048V Typical Performance Characteristics 2.5V Typical Performance Characteristics 5V Typical Performance Characteristics Applications Information Simplified Schematic Package Description Revision History Typical Application Related Parts