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LMT88 Datasheet(PDF) 4 Page - Texas Instruments |
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LMT88 Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 13 page  LMT88 SNIS175 – MARCH 2013 www.ti.com ELECTRICAL CHARACTERISTICS Unless otherwise noted, these specifications apply for V + = +2.7 V DC. Boldface limits apply for TA = TJ = TMIN to TMAX ; all other limits TA = TJ = 25°C; Unless otherwise noted. UNIT PARAMETER CONDITIONS TYPICAL(1) MAX(2) (Limit) TA = 25°C to 30°C ±1.5 ±4.0 °C (max) TA = 130°C ±5.0 °C (max) TA = 125°C ±5.0 °C (max) TA = 100°C ±4.7 °C (max) Temperature to Voltage Error TA = 85°C ±4.6 °C (max) VO = (−3.88×10 −6×T2) + (−1.15×10−2×T) + 1.8639V(3) TA = 80°C ±4.5 °C (max) TA = 0°C ±4.4 °C (max) TA = –30°C ±4.7 °C (min) TA = –40°C ±4.8 °C (max) TA = –55°C ±5.0 °C (max) Output Voltage at 0°C 1.8639 V Variance from Curve ±1.0 °C Non-Linearity (4) –20°C ≤ TA ≤ 80°C ±0.4% Sensor Gain (Temperature Sensitivity or Average Slope) −11.0 mV/°C (min) –30°C ≤ TA ≤ 100°C −11.77 to equation: VO=−11.77 mV/ °C×T+1.860V −12.6 mV/°C (max) Output Impedance 0 μA ≤ IL ≤ 16 μA (5) (6) 160 Ω (max) Load Regulation(7) 0 μA ≤ IL ≤ 16 μA (5) (6) −2.5 mV (max) 2.4 V ≤ V+ ≤ 5.0V 3.7 mV/V (max) Line Regulation(8) 5.0 V ≤ V+ ≤ 5.5 V 11 mV (max) 2.4V ≤ V+ ≤ 5.0V 4.5 7 μA (max) Quiescent Current 5.0V ≤ V+ ≤ 5.5V 4.5 9 μA (max) 2.4V ≤ V+ ≤ 5.0V 4.5 10 μA (max) Change of Quiescent Current 2.4 V ≤ V+ ≤ 5.5V 0.7 μA Temperature Coefficient of Quiescent Current −11 nA/°C Shutdown Current V+ ≤ 0.8 V 0.02 μA (1) Typicals are at TJ = TA = 25°C and represent most likely parametric norm. (2) Limits are specified to TI's AOQL (Average Outgoing Quality Level). (3) Accuracy is defined as the error between the measured and calculated output voltage at the specified conditions of voltage, current, and temperature (expressed in°C). (4) Non-Linearity is defined as the deviation of the calculated output-voltage-versus-temperature curve from the best-fit straight line, over the temperature range specified. (5) Negative currents are flowing into the LMT88. Positive currents are flowing out of the LMT88. Using this convention the LMT88 can at most sink −1 μA and source 16 μA. (6) Load regulation or output impedance specifications apply over the supply voltage range of 2.4V to 5.5V. (7) Regulation is measured at constant junction temperature, using pulse testing with a low duty cycle. Changes in output due to heating effects can be computed by multiplying the internal dissipation by the thermal resistance. (8) Line regulation is calculated by subtracting the output voltage at the highest supply input voltage from the output voltage at the lowest supply input voltage. 4 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated Product Folder Links: LMT88 |
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