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LF298MX Arkusz danych(PDF) 4 Page - Texas Instruments |
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LF298MX Arkusz danych(HTML) 4 Page - Texas Instruments |
4 / 33 page LF198-N, LF298, LF398-N LF198A-N, LF398A-N SNOSBI3B – JULY 2000 – REVISED NOVEMBER 2015 www.ti.com 6 Specifications 6.1 Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted) (1) (2) MIN MAX UNIT Supply voltage ±18 V Power dissipation (Package limitation, see (3)) 500 mW LF198-N, LF198A-N –55 125 °C Operating ambient temperature LF298 –25 85 °C LF398-N, LF398A-N 0 70 °C Input voltage ±18 V Logic-to-logic reference differential voltage (see (4)) 7 −30 V Output short circuit duration Indefinite Hold capacitor short circuit duration 10 sec H package (soldering, 10 sec.) 260 °C N package (soldering, 10 sec.) 260 °C Lead temperature M package: vapor phase (60 sec.) 215 °C Infrared (15 sec.) 220 °C Storage temperature, Tstg –65 150 °C (1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. (2) If Military/Aerospace specified devices are required, please contact the TI Sales Office/ Distributors for availability and specifications. (3) The maximum power dissipation must be derated at elevated temperatures and is dictated by TJMAX, RθJA, and the ambient temperature, TA. The maximum allowable power dissipation at any temperature is PD = (TJMAX − TA) / RθJA, or the number given in the Absolute Maximum Ratings, whichever is lower. The maximum junction temperature, TJMAX, for the LF198-N and LF198A-N is 150°C; for the LF298, 115°C; and for the LF398-N and LF398A-N, 100°C. (4) Although the differential voltage may not exceed the limits given, the common-mode voltage on the logic pins may be equal to the supply voltages without causing damage to the circuit. For proper logic operation, however, one of the logic pins must always be at least 2 V below the positive supply and 3 V above the negative supply. 6.2 Recommended Operating Conditions over operating free-air temperature range (unless otherwise noted) MIN NOM MAX UNIT Supply voltage ±15 V LF198-N, LF198A-N –55 125 TJ Ambient temperature LF298 –25 85 °C LF398-N, LF398A-N 0 70 6.3 Thermal Information LF398-N LF298, LF398-N LFx98x THERMAL METRIC(1) P (PDIP) D (SOIC) LMC (TO-99) UNIT 8 PINS 14 PINS 8 PINS RθJA Junction-to-ambient thermal resistance 48.9 80.6 85(2) °C/W RθJC(top) Junction-to-case (top) thermal resistance 37.3 38.1 20 °C/W RθJB Junction-to-board thermal resistance 26.2 35.4 — °C/W ψJT Junction-to-top characterization parameter 14.3 5.8 — °C/W ψJB Junction-to-board characterization parameter 26.0 35.1 — °C/W (1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report, SPRA953. (2) Board mount in 400 LF/min air flow. 4 Submit Documentation Feedback Copyright © 2000–2015, Texas Instruments Incorporated Product Folder Links: LF198-N LF298 LF398-N LF198A-N LF398A-N |
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