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LM12454 Datasheet(PDF) 4 Page - Texas Instruments |
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LM12454 Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 45 page  LM12454, LM12458, LM12H458 SNAS079A – MAY 2004 – REVISED FEBRUARY 2006 www.ti.com Absolute Maximum Ratings (1) (2) Supply Voltage (VA+ and VD+) 6.0V Voltage at Input and Output Pins, except analog inputs −0.3V to (V+ + 0.3V) Voltage at Analog Inputs − 5V to (V+ + 5V) |VA+ − VD+| 300 mV Input Current at Any Pin (3) ±5 mA Package Input Current (3) ±20 mA Power Dissipation, PQFP (TA = 25°C) (4) 875 mW Storage Temperature −65°C to +150°C Lead Temperature PQFP, Infrared, 15 sec. +300°C PLCC, Solder, 10 sec. +250°C ESD Susceptibility (5) 1.5 kV (1) All voltages are measured with respect to GND, unless otherwise specified. (2) 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. (3) When the input voltage (VIN) at any pin exceeds the power supply rails (VIN < GND or VIN > (VA+ or VD+)), the current at that pin should be limited to 5 mA. The 20 mA maximum package input current rating allows the voltage at any four pins, with an input current of 5 mA, to simultaneously exceed the power supply voltages. (4) The maximum power dissipation must be derated at elevated temperatures and is dictated by TJmax (maximum junction temperature), θJA (package junction to ambient thermal resistance), and TA (ambient temperature). (5) Human body model, 100 pF discharged through a 1.5 k Ω resistor. See AN-450 “Surface Mounting Methods and Their Effect on Product Reliability” for other methods of soldering surface mount devices. Table 2. Package Thermal Resistances Package θJA 44-Lead PQFP 47°C / W 44-Lead PLCC 50°C / W Operating Ratings (1) (2) Temperature Range (Tmin ≤ TA ≤ Tmax) −40°C ≤ TA ≤ 85°C Supply Voltage VA+, VD+ 3.0V to 5.5V |VA+ − VD+| ≤100 mV VIN+ Input Range GND ≤ VIN+ ≤ VA+ VIN− Input Range GND ≤ VIN− ≤ VA+ VREF+ Input Voltage 1V ≤ VREF+ ≤ VA+ VREF− Input Voltage 0V ≤ VREF− ≤ VREF+ − 1V VREF+ − VREF− 1V ≤ VREF ≤ VA+ VREF Common Mode Range (3) 0.1 VA + ≤ V REFCM ≤ 0.6 VA + TJ(MAX) 150°C (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) All voltages are measured with respect to GND, unless otherwise specified. (3) VREFCM (Reference Voltage Common Mode Range) is defined as (VREF+ + VREF−)/2. 4 Submit Documentation Feedback Copyright © 2004–2006, Texas Instruments Incorporated Product Folder Links: LM12454 LM12458 LM12H458 |
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