Datenblatt-Suchmaschine für elektronische Bauteile |
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LM27A Datenblatt(PDF) 3 Page - Texas Instruments |
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LM27A Datenblatt(HTML) 3 Page - Texas Instruments |
3 / 10 page OBSOLETE LM27A www.ti.com SNOSAQ6D – MAY 2005 – REVISED APRIL 2013 These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. ABSOLUTE MAXIMUM RATINGS (1) Input Voltage 6.0V Input Current at any pin (2) 5mA Package Input Current(2) 20mA Storage Temperature −65°C to + 175°C ESD Susceptibility (3) Human Body Model 2500V Machine Model 250V (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 ensure specific performance limits. For ensured specifications and test conditions, see the Electrical Characteristics. The ensured 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) When the input voltage (VI) at any pin exceeds the power supply (VI < GND or VI > V +), the current at that pin should be limited to 5mA. The 20mA maximum package input current rating limits the number of pins that can safely exceed the power supplies with an input current of 5mA to four. Under normal operating conditions the maximum current that pins 2, 4 or 5 can handle is limited to 5mA each. (3) The human body model is a 100pF capacitor discharge through a 1.5k Ω resistor into each pin. The machine model is a 200pF capacitor discharged directly into each pin. OPERATING RATINGS (1) Specified Temperature Range TMIN ≤ TA ≤ TMAX LM27A −40°C ≤ TA ≤ +150°C Positive Supply Voltage (V+) +2.7V to +5.5V Maximum VOUT +5.5V (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 ensure specific performance limits. For ensured specifications and test conditions, see the Electrical Characteristics. The ensured specifications apply only for the test conditions listed. Some performance characteristics may degrade when the device is not operated under the listed test conditions. LM27A ELECTRICAL CHARACTERISTICS The following specifications apply for V + = 2.7V DC to 5.5VDC, and VTEMP load current = 0µA unless otherwise specified. Boldface limits apply for TA = TJ = TMIN to TMAX; all other limits TA = TJ = 25°C unless otherwise specified. LM27A Typical Units Symbol Parameter Conditions Limits (1) (Limits) (2) Temperature Sensor Trip Point Accuracy (Includes VREF, DAC, +120°C<TA<+150°C ±3 °C (max) Comparator Offset, and Temperature Sensitivity errors) Trip Point Hysteresis HYST = GND 10 °C HYST = V+ 2 °C VTEMP Output Temperature Sensitivity −10.82 mV/°C VTEMP Temperature Sensitivity Error to −30°C ≤ TA ≤ 150°C, 2.7V ±3 °C (max) Equation: ≤ V+ ≤ 5.5V VO = (−3.552×10 −6×(T−30)2+ −55°C ≤ TA ≤ 150°C, 4.5V ±3 °C (max) ≤ V+ ≤ 5.5V ( −10.695×10 −3×(T−30))+ 1.8386V TA = 25°C ±2.5 °C (max) VTEMP Load Regulation Source ≤ 1 μA 0.070 mV Sink ≤ 40 μA 0.7 mV (max) VTEMP Line Regulation +2.7V ≤ V+ ≤ +5.5V, −0.2 mV/V −30°C ≤ TA ≤ +120°C (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). Copyright © 2005–2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LM27A |
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