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LM231 Datasheet(PDF) 2 Page - National Semiconductor (TI) |
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LM231 Datasheet(HTML) 2 Page - National Semiconductor (TI) |
2 / 15 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. LM231A/LM231 LM331A/LM331 Supply Voltage 40V 40V Output Short Circuit to Ground Continuous Continuous Output Short Circuit to V CC Continuous Continuous Input Voltage −0.2V to +V S −0.2V to +V S T MIN T MAX T MIN T MAX Operating Ambient Temperature Range −25˚C to +85˚C 0˚C to +70˚C Power Dissipation (P D at 25˚C) and Thermal Resistance ( θ jA) (N Package) P D 1.25W 1.25W θ jA 100˚C/W 100˚C/W Lead Temperature (Soldering, 10 sec.) Dual-In-Line Package (Plastic) 260˚C 260˚C ESD Susceptibility (Note 4) N Package 500V 500V Electrical Characteristics T A=25˚C unless otherwise specified (Note 2) Parameter Conditions Min Typ Max Units VFC Non-Linearity (Note 3) 4.5V ≤ V S ≤ 20V ±0.003 ±0.01 % Full- Scale T MIN ≤ TA ≤ TMAX ±0.006 ±0.02 % Full- Scale VFC Non-Linearity V S = 15V, f = 10 Hz to 11 kHz ±0.024 ±0.14 %Full- In Circuit of Figure 1 Scale Conversion Accuracy Scale Factor (Gain) V IN = −10V, RS = 14 kΩ LM231, LM231A 0.95 1.00 1.05 kHz/V LM331, LM331A 0.90 1.00 1.10 kHz/V Temperature Stability of Gain T MIN ≤ TA ≤ TMAX, 4.5V ≤ VS ≤ 20V LM231/LM331 ±30 ±150 ppm/˚C LM231A/LM331A ±20 ±50 ppm/˚C Change of Gain with V S 4.5V ≤ V S ≤ 10V 0.01 0.1 %/V 10V ≤ V S ≤ 40V 0.006 0.06 %/V Rated Full-Scale Frequency V IN = −10V 10.0 kHz Gain Stability vs Time T MIN ≤ TA ≤ TMAX ±0.02 % Full- (1000 Hrs) Scale Overrange (Beyond Full-Scale) Frequency V IN = −11V 10 % INPUT COMPARATOR Offset Voltage ±3 ±10 mV LM231/LM331 T MIN ≤ TA ≤ TMAX ±4 ±14 mV LM231A/LM331A T MIN ≤ TA ≤ TMAX ±3 ±10 mV Bias Current −80 −300 nA Offset Current ±8 ±100 nA Common-Mode Range T MIN ≤ TA ≤ TMAX −0.2 V CC−2.0 V TIMER Timer Threshold Voltage, Pin 5 0.63 0.667 0.70 x V S Input Bias Current, Pin 5 V S = 15V All Devices 0V ≤ V PIN 5 ≤ 9.9V ±10 ±100 nA LM231/LM331 V PIN 5 = 10V 200 1000 nA LM231A/LM331A V PIN 5 = 10V 200 500 nA www.national.com 2 |
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