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LM231AN Datasheet(PDF) 3 Page - National Semiconductor (TI) |
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LM231AN Datasheet(HTML) 3 Page - National Semiconductor (TI) |
3 / 15 page Electrical Characteristics (Continued) T A=25˚C unless otherwise specified (Note 2) Parameter Conditions Min Typ Max Units TIMER V SAT PIN 5 (Reset) I = 5 mA 0.22 0.5 V CURRENT SOURCE (Pin 1) Output Current R S=14 kΩ,VPIN 1=0 LM231, LM231A 126 135 144 µA LM331, LM331A 116 136 156 µA Change with Voltage 0V ≤ V PIN 1 ≤ 10V 0.2 1.0 µA Current Source OFF Leakage LM231, LM231A, LM331, LM331A 0.02 10.0 nA All Devices T A=TMAX 2.0 50.0 nA Operating Range of Current (Typical) (10 to 500) µA REFERENCE VOLTAGE (Pin 2) LM231, LM231A 1.76 1.89 2.02 V DC LM331, LM331A 1.70 1.89 2.08 V DC Stability vs Temperature ±60 ppm/˚C Stability vs Time, 1000 Hours ±0.1 % LOGIC OUTPUT (Pin 3) V SAT I=5 mA 0.15 0.50 V I=3.2 mA (2 TTL Loads), T MIN≤TA≤TMAX 0.10 0.40 V OFF Leakage ±0.05 1.0 µA SUPPLY CURRENT LM231, LM231A V S=5V 2.0 3.0 4.0 mA LM331, LM331A V S=40V 2.5 4.0 6.0 mA V S=5V 1.5 3.0 6.0 mA V S=40V 2.0 4.0 8.0 mA Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. DC and AC electrical specifications do not apply when operating the device beyond its specified operating conditions. Note 2: All specifications apply in the circuit of Figure 4, with 4.0V ≤VS≤40V, unless otherwise noted. Note 3: Nonlinearity is defined as the deviation of fOUT from VIN x (10 kHz/−10 VDC) when the circuit has been trimmed for zero error at 10 Hz and at 10 kHz, over the frequency range 1 Hz to 11 kHz. For the timing capacitor, CT, use NPO ceramic, Teflon®, or polystyrene. Note 4: Human body model, 100 pF discharged through a 1.5 k Ω resistor. www.national.com 3 |
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