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LF298 Arkusz danych(PDF) 2 Page - National Semiconductor (TI) |
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LF298 Arkusz danych(HTML) 2 Page - National Semiconductor (TI) |
2 / 13 page Absolute Maximum Ratings (Note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage ±18V Power Dissipation (Package Limitation) (Note 2) 500 mW Operating Ambient Temperature Range LF198/LF198A −55˚C to +125˚C LF298 −25˚C to +85˚C LF398/LF398A 0˚C to +70˚C Storage Temperature Range −65˚C to +150˚C Input Voltage Equal to Supply Voltage Logic To Logic Reference Differential Voltage (Note 3) +7V, −30V Output Short Circuit Duration Indefinite Hold Capacitor Short Circuit Duration 10 sec Lead Temperature (Note 4) H package (Soldering, 10 sec.) 260˚C N package (Soldering, 10 sec.) 260˚C M package: Vapor Phase (60 sec.) 215˚C Infrared (15 sec.) 220˚C Thermal Resistance ( θ JA) (typicals) H package 215˚C/W (Board mount in still air) 85˚C/W (Board mount in 400LF/min air flow) N package 115˚C/W M package 106˚C/W θ JC (H package, typical) 20˚C/W Electrical Characteristics The following specifcations apply for −V S + 3.5V ≤ VIN ≤ +VS − 3.5V, +VS = +15V, −VS = −15V, TA =Tj = 25˚C, Ch = 0.01 µF, R L =10 kΩ, LOGIC REFERENCE = 0V, LOGIC HIGH = 2.5V, LOGIC LOW = 0V unless otherwise specified. Parameter Conditions LF198/LF298 LF398 Units Min Typ Max Min Typ Max Input Offset Voltage, (Note 5) T j = 25˚C 1 3 2 7 mV Full Temperature Range 5 10 mV Input Bias Current, (Note 5) T j = 25˚C 5 25 10 50 nA Full Temperature Range 75 100 nA Input Impedance T j = 25˚C 10 10 10 10 Ω Gain Error T j = 25˚C, RL = 10k 0.002 0.005 0.004 0.01 % Full Temperature Range 0.02 0.02 % Feedthrough Attenuation Ratio T j = 25˚C, Ch = 0.01 µF 86 96 80 90 dB at 1 kHz Output Impedance T j = 25˚C, “HOLD” mode 0.5 2 0.5 4 Ω Full Temperature Range 4 6 Ω “HOLD” Step, (Note 6) T j = 25˚C, Ch = 0.01 µF, VOUT = 0 0.5 2.0 1.0 2.5 mV Supply Current, (Note 5) T j≥25˚C 4.5 5.5 4.5 6.5 mA Logic and Logic Reference Input T j = 25˚C 2 10 2 10 µA Current Leakage Current into Hold T j = 25˚C, (Note 7) 30 100 30 200 pA Capacitor (Note 5) Hold Mode Acquisition Time to 0.1% ∆V OUT = 10V, Ch = 1000 pF 4 4 µs C h = 0.01 µF 20 20 µs Hold Capacitor Charging Current V IN−VOUT =2V 5 5 mA Supply Voltage Rejection Ratio V OUT = 0 80 110 80 110 dB Differential Logic Threshold T j = 25˚C 0.8 1.4 2.4 0.8 1.4 2.4 V Input Offset Voltage, (Note 5) T j = 25˚C 1 1 2 2 mV Full Temperature Range 2 3 mV Input Bias Current, (Note 5) T j = 25˚C 5 25 10 25 nA Full Temperature Range 75 50 nA www.national.com 2 |
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