Datasheet LT1790 (Analog Devices) - 5

LT1790
1.25V 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 = 2.6V, unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
Supply Current No Load 35 60 µA l 75 µA Minimum Operating Current— VOUT = –1.25V, ±0.1% 100 125 µA Negative Output (See Figure 7) Turn-On Time CLOAD = 1µF 250 µs Output Noise (Note 8) 0.1Hz ≤ f ≤ 10Hz 10 µVP-P 10Hz ≤ f ≤ 1kHz 14 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
2.048V 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 Voltage (Notes 3, 4) LT1790A 2.04697 2.048 2.04902 V –0.05 0.05 % LT1790B 2.04595 2.048 2.05005 V –0.1 0.1 % LT1790AC l 2.04554 2.048 2.05046 V l –0.12 0.12 % LT1790AI l 2.04442 2.048 2.05158 V l –0.175 0.175 % LT1790BC l 2.04237 2.048 2.05363 V l –0.275 0.275 % LT1790BI l 2.03955 2.048 2.05645 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 2.8V ≤ VIN ≤ 18V 50 170 ppm/V l 220 ppm/V Load Regulation (Note 6) IOUT Source = 5mA 120 200 ppm/mA l 280 ppm/mA IOUT Sink = 3mA 130 260 ppm/mA l 450 ppm/mA Dropout Voltage (Note 7) VIN – VOUT, ∆VOUT = 0.1% IOUT = 0mA 50 100 mV l 500 mV IOUT Source = 5mA l 750 mV IOUT Sink = 3mA l 450 mV Supply Current No Load 35 60 µA l 75 µA Minimum Operating Current— VOUT = –2.048V, 0.1% 100 125 µA Negative Output (See Figure 7) Turn-On Time CLOAD = 1µF 350 µs 1790fc For more information www.linear.com/LT1790 5 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