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Moteur de recherche de fiches techniques de composants électroniques |
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LM4951A Fiches technique(PDF) 3 Page - Texas Instruments |
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LM4951A Fiches technique(HTML) 3 Page - Texas Instruments |
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3 / 23 page  LM4951A www.ti.com SNAS453B – AUGUST 2008 – REVISED SEPTEMBER 2008 Pin Name and Function (continued) Pin Number Name Function Type Input capacitor charge to decrease turn on time. See section Selecting 3 CCHG Analog Output Value A For RCfor more information. 4 NC No connection to die. Pin can be connected to any potential. No Connect 5 VIN Single-ended signal input pin. Analog Input 6 VO- Inverting output of amplifier. Analog Output 7 GND Ground connection. Ground 8 NC No connection to die. Pin can be connected to any potential. No Connect 9 VDD Power supply. Power 10 VO+ Non-Inverting output of amplifier. Analog Output No connect. Pin must be electrically isolated (floating) or connected to Exposed DAP NC No Connect GND. 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) (2) Supply Voltage 9.5V Storage Temperature −65°C to +150°C Input Voltage −0.3V to VDD + 0.3V Power Dissipation(3) Internally limited ESD Rating(4) 2000V ESD Rating(5) 200V Junction Temperature (TJMAX) 150°C Thermal Resistance θJA (WSON) (3) 73°C/W Soldering Information AN-1187 'Leadless Leadframe Packaging (1) “Absolute Maximum Ratings” indicate limits beyond which damage to the device may occur, including inoperability and degradation of device reliability and/or performance. Functional operation of the device and/or non-degradation at the s or other conditions beyond those indicated in the Recommended Operating Conditions is not implied. The Recommended Operating Conditionsindicate conditions at which the device is functional and the device should not be operated beyond such conditions. All voltages are measured with respect to the ground pin, unless otherwise specified. (2) The Electrical Characteristics tables list ensured specifications under the listed Recommended Operating Conditions except as otherwise modified or specified by the Electrical Characteristics Conditions and/or Notes. Typical specifications are estimations only and are not ensured. (3) The maximum power dissipation must be derated at elevated temperatures and is dictated by TJMAX, θJA, and the ambient temperature, TA. The maximum allowable power dissipation is PDMAX = (TJMAX - TA) / θJA or the number given in Absolute Maximum Ratings, whichever is lower. For the LM4951A typical application (shown in Figure 1) with VDD = 7.5V, RL = 8Ω mono-BTL operation the max power dissipation is 1.42W. θJA = 73ºC/W. (4) Human body model, applicable std. JESD22-A114C. (5) Machine model, applicable std. JESD22-A115-A. Operating Ratings (1) (2) Temperature Range TMIN ≤ TA ≤ TMAX −40°C ≤ T A ≤ +85°C Supply Voltage 2.7V ≤ VDD ≤ 9V (1) “Absolute Maximum Ratings” indicate limits beyond which damage to the device may occur, including inoperability and degradation of device reliability and/or performance. Functional operation of the device and/or non-degradation at the s or other conditions beyond those indicated in the Recommended Operating Conditions is not implied. The Recommended Operating Conditionsindicate conditions at which the device is functional and the device should not be operated beyond such conditions. All voltages are measured with respect to the ground pin, unless otherwise specified. (2) The Electrical Characteristics tables list ensured specifications under the listed Recommended Operating Conditions except as otherwise modified or specified by the Electrical Characteristics Conditions and/or Notes. Typical specifications are estimations only and are not ensured. Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LM4951A |
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