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LM50BIM3X Datasheet(PDF) 3 Page - Texas Instruments |
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LM50BIM3X Datasheet(HTML) 3 Page - Texas Instruments |
3 / 15 page LM50, LM50-Q1 www.ti.com SNIS118E – JULY 1999 – REVISED SEPTEMBER 2013 ELECTRICAL CHARACTERISTICS (continued) Unless otherwise noted, these specifications apply for VS = +5 VDC and ILOAD = +0.5 μA, in the circuit of Figure 2. Boldface limits apply for the specified TA = TJ = TMIN to TMAX; all other limits TA = TJ = +25°C, unless otherwise noted. Parameter Conditions LM50B LM50C/LM50-Q1 Units (Limit) Typical Limit (1) Typical Limit (1) Quiescent Current (5) +4.5V ≤ VS ≤ +10V 130 130 μA (max) 180 180 μA (max) Change of Quiescent Current +4.5V ≤ VS ≤ +10V 2.0 2.0 μA (max) Temperature Coefficient of Quiescent +1.0 +2.0 μA/°C Current Long Term Stability (6) TJ = 125°C, for 1000 ±0.08 ±0.08 °C hours (5) Quiescent current is defined in the circuit of Figure 2. (6) For best long-term stability, any precision circuit will give best results if the unit is aged at a warm temperature, and/or temperature cycled for at least 46 hours before long-term life test begins. This is especially true when a small (Surface-Mount) part is wave-soldered; allow time for stress relaxation to occur. The majority of the drift will occur in the first 1000 hours at elevated temperatures. The drift after 1000 hours will not continue at the first 1000 hour rate. TYPICAL CHARACTERISTICS To generate these curves the LM50/LM50-Q1 was mounted to a printed circuit board as shown in Figure 14. Thermal Resistance Junction to Air Thermal Time Constant Figure 3. Figure 4. Thermal Response in Still Air Thermal Response in Stirred Oil Bath with Heat Sink (Figure 14) with Heat Sink Figure 5. Figure 6. Copyright © 1999–2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LM50 LM50-Q1 |
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