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LMV431 データシート(PDF) 5 Page - Texas Instruments |
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LMV431 データシート(HTML) 5 Page - Texas Instruments |
5 / 31 page Z Z Z Z V R1 r r 1 I R2 ' ª º § · # ¨ ¸ « » ' © ¹ ¬ ¼ Z Z Z V r I 6 REF 6.0 mV 10 1240 mV V 39 ppm / C 125 C § · ¨ ¸ © ¹ v q q 6 6 Max Min DEV REF REF REF 2 1 2 1 V V V 10 10 V (at 25 C) V (at 25 C) ppm V C T T T T § · § · r r ¨ ¸ ¨ ¸ q q © ¹ © ¹ v q REF Z V V LMV431, LMV431A, LMV431B www.ti.com SNVS041G – MAY 2004 – REVISED SEPTEMBER 2014 7.5 LMV431C Electrical Characteristics TA = 25°C unless otherwise specified SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNIT TA = 25°C 1.222 1.24 1.258 VZ = VREF, IZ = 10 mA VREF Reference Voltage V (See Figure 32 ) TA = Full Range 1.21 1.27 Deviation of Reference Input Voltage VZ = VREF, IZ = 10 mA, VDEV 4 12 mV Over Temperature(1) TA = Full Range (See Figure 32) Ratio of the Change in Reference IZ = 10 mA (see Figure 33 ) Voltage to the Change in Cathode VZ from VREF to 6 V −1.5 −2.7 mV/V Voltage R1 = 10 kΩ, R2 = ∞ and 2.6 kΩ R1 = 10 kΩ, R2 = ∞ IREF Reference Input Current 0.15 0.5 μA II = 10 mA (see Figure 33) Deviation of Reference Input Current R1 = 10 kΩ, R2 = ∞, ∝IREF 0.05 0.3 μA over Temperature II = 10 mA, TA = Full Range (see Figure 33) Minimum Cathode Current for IZ(MIN) VZ = VREF(see Figure 32) 55 80 µA Regulation IZ(OFF) Off-State Current VZ= 6 V, VREF = 0 V (see Figure 34 ) 0.001 0.1 μA VZ = VREF, IZ = 0.1 mA to 15 mA rZ Dynamic Output Impedance(2) 0.25 0.4 Ω Frequency = 0 Hz (see Figure 32) (1) Deviation of reference input voltage, VDEV, is defined as the maximum variation of the reference input voltage over the full temperature range. See the following: The average temperature coefficient of the reference input voltage, ∝VREF, is defined as: Where: T2 − T1 = full temperature change. ∝VREF can be positive or negative depending on whether the slope is positive or negative. Example: VDEV = 6 mV, VREF = 1240 mV, T2 − T1 = 125°C. (2) The dynamic output impedance, rZ, is defined as: When the device is programmed with two external resistors, R1 and R2, (see Figure 33 ), the dynamic output impedance of the overall circuit, rZ, is defined as: Copyright © 2004–2014, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LMV431 LMV431A LMV431B |
同様の部品番号 - LMV431_14 |
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同様の説明 - LMV431_14 |
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