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LM20 Arkusz danych(PDF) 4 Page - Texas Instruments |
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LM20 Arkusz danych(HTML) 4 Page - Texas Instruments |
4 / 18 page LM20 SNIS106P – DECEMBER 1999 – REVISED FEBRUARY 2013 www.ti.com Operation Ratings (1) Specified Temperature Range: TMIN ≤ TA ≤ TMAX LM20B, LM20C with 2.4 V ≤ V+≤ 2.7 V −30°C ≤ TA ≤ 130°C LM20B, LM20C with 2.7 V ≤ V+≤ 5.5 V −55°C ≤ TA ≤ 130°C LM20S with 2.4 V ≤ V+≤ 5.5 V −30°C ≤ TA ≤ 125°C LM20S with 2.7 V ≤ V+≤ 5.5 V −40°C ≤ TA ≤ 125°C Supply Voltage Range (V+) 2.4 V to 5.5 V Thermal Resistance, θJA (2) SC70 415°C/W DSBGA 340°C/W (1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed. Some performance characteristics may degrade when the device is not operated under the listed test conditions. (2) The junction to ambient thermal resistance ( θJA) is specified without a heat sink in still air using the printed circuit board layout shown in PCB Layouts Used For Thermal Measurements. 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. LM20B LM20C LM20S TYPICAL UNIT PARAMETER CONDITIONS Limits Limits Limits (1) (Limit) (2) (2) (2) TA = 25°C to 30°C ±1.5 ±4.0 ±2.5 °C (max) TA = 130°C ±2.5 ±5.0 °C (max) TA = 125°C ±2.5 ±5.0 ±3.5 °C (max) Temperature to Voltage Error TA = 100°C ±2.2 ±4.7 ±3.2 °C (max) VO = (−3.88×10 −6×T2) TA = 85°C ±2.1 ±4.6 ±3.1 °C (max) + ( −1.15×10−2×T) + 1.8639V TA = 80°C ±2.0 ±4.5 ±3.0 °C (max) (3) TA = 0°C ±1.9 ±4.4 ±2.9 °C (max) TA = –30°C ±2.2 ±4.7 ±3.3 °C (min) TA = –40°C ±2.3 ±4.8 ±3.5 °C (max) TA = –55°C ±2.5 ±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) to −11.4 −11.0 −11.0 mV/°C (min) –30°C ≤ TA ≤ 100°C −11.77 equation: VO=−11.77 −12.2 −12.6 −12.6 mV/°C (max) mV/°C×T+1.860V 0 μA ≤ IL ≤ 16 μA 160 160 160 Ω (max) Output Impedance (5) (6) (1) Typicals are at TJ = TA = 25°C and represent most likely parametric norm. (2) Limits are guaranteed 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 LM20. Positive currents are flowing out of the LM20. Using this convention the LM20 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. 4 Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM20 |
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