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LM4941 Datasheet(PDF) 3 Page - Texas Instruments |
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LM4941 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 21 page LM4941, LM4941SDBD, LM4941TMBD www.ti.com SNAS347C – JUNE 2006 – REVISED MAY 2013 Absolute Maximum Ratings (1) (2) (3) Supply Voltage 6.0V Storage Temperature −65°C to +150°C Input Voltage −0.3V to VDD +0.3V Power Dissipation(4)(5) Internally Limited ESD Susceptibility(6) 2000V ESD Susceptibility(7) 200V Junction Temperature 150°C Thermal Resistance θJA (TM) 100°C/W θJA (WSON) 71°C/W Soldering Information See AN-1187 (SNOA401) (1) All voltages are measured with respect to the ground pin, 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 ensure specific performance limits. Electrical Characteristics state DC and AC electrical specifications under particular test conditions which ensure specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not ensured for parameters where no limit is given, however, the typical value is a good indication of device performance. (3) If Military/Aerospace specified devices are required, please contact the TI Sales Office/ Distributors for availability and specifications. (4) 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 LM4941, see power derating curve for additional information. (5) Maximum Power Dissipation (PDMAX) in the device occurs at an output power level significantly below full output power. PDMAX can be calculated using Equation 3 shown in the Application section. It may also be obtained from the Power Dissipation graphs. (6) Human body model, 100pF discharged through a 1.5k Ω resistor. (7) Machine Model, 220pF – 240pF discharged through all pins. Operating Ratings Temperature Range TMIN ≤ TA ≤ TMAX −40°C ≤ TA ≤ 85°C Supply Voltage 2.4V ≤ VDD ≤ 5.5V Electrical Characteristics VDD = 5V (1) (2) The following specifications apply for VDD = 5V, AV = 1V/V, and 8Ω load unless otherwise specified. Limits apply for TA = 25°C. LM4941 Units Symbol Parameter Conditions (Limits) Typical(3) Limit(4)(5) VIN = 0V, no load 1.7 2.3 mA (max) IDD Quiescent Power Supply Current VIN = 0V, RL = 8Ω 1.7 mA ISD Shutdown Current VSHDN = GND 0.1 0.8 µA (max) THD+N = 1% (max); f = 1 kHz RL = 8Ω 1.25 1.15 W (min) PO Output Power THD+N = 10% (max); f = 1 kHz RL = 8Ω 1.54 W THD+N Total Harmonic Distortion + Noise PO = 0.7 W; f = 1kHz 0.04 % VRIPPLE = 200mVP-P Sine PSRR Power Supply Rejection Ratio f = 217Hz(6) 95 80 dB (min) f = 1kHz(6) 90 dB (1) All voltages are measured with respect to the ground pin, 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 ensure specific performance limits. Electrical Characteristics state DC and AC electrical specifications under particular test conditions which ensure specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not ensured for parameters where no limit is given, however, the typical value is a good indication of device performance. (3) Typicals are measured at 25°C and represent the parametric norm. (4) Limits are specified to TI's AOQL (Average Outgoing Quality Level). (5) Datasheet min/max specification limits are specified by design, test, or statistical analysis. (6) 10 Ω terminated input. Copyright © 2006–2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LM4941 LM4941SDBD LM4941TMBD |
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