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LM385-1.2 데이터시트(PDF) 5 Page - Texas Instruments |
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LM385-1.2 데이터시트(HTML) 5 Page - Texas Instruments |
5 / 25 page LM285-1.2, LM385-1.2, LM385B-1.2 www.ti.com SLVS075J – APRIL 1989 – REVISED JANUARY 2015 7.5 Electrical Characteristics over operating free-air temperature range (unless otherwise noted) LM285-1.2 LM385-1.2 LM385B-1.2 PARAMETER TEST CONDITIONS TA (1) UNIT MIN TYP MAX MIN TYP MAX MIN TYP MAX VZ Reference voltage IZ = I(min) to 20 mA (2) 25°C 1.223 1.235 1.247 1.21 1.235 1.26 1.223 1.235 1.247 V Average temperature Full ppm/° αVZ coefficient of reference IZ = I(min) to 20 mA (2) ±20 ±20 ±20 Range C voltage(3) 25°C 1 1 1 IZ = I(min) to 1 mA (2) Full 1.5 1.5 1.5 Range Change in reference ΔVZ mV voltage with current 25°C 12 20 20 IZ = I(min) to 20 mA Full 30 30 30 Range Long-term change in ppm/k ΔVZ/Δt IZ = 100 µA 25°C ±20 ±20 ±20 reference voltage hr Minimum reference Full IZ(min) 8 10 8 15 8 15 µA current Range 25°C 0.2 0.6 0.4 1 0.4 1 ZZ Reference impedance IZ = 100 µA, f = 25 Hz Ω Full 1.5 1.5 1.5 Range Broadband noise IZ = 100 µA, f = 10 Hz to Vn 25°C 60 60 60 µV voltage 10 kHz (1) Full range is −40°C to 85°C for the LM285-1.2 and 0°C to 70°C for the LM385-1.2 and LM385B-1.2. (2) I(min) = 10 μA for the LM285-1.2 and 15 μA for the LM385-1.2 and LM385B-1.2 (3) The average temperature coefficient of reference voltage is defined as the total change in reference voltage divided by the specified temperature range. 7.6 Typical Characteristics Figure 1. Reverse Current vs Reverse Voltage Figure 2. Reference Voltage Change vs Reverse Current Copyright © 1989–2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LM285-1.2 LM385-1.2 LM385B-1.2 |
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