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LM4855LQ Datasheet(PDF) 3 Page - National Semiconductor (TI) |
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LM4855LQ Datasheet(HTML) 3 Page - National Semiconductor (TI) |
3 / 24 page Absolute Maximum Ratings (Note 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage 6.0V Storage Temperature −65˚C to +150˚C ESD Susceptibility (Note 4) 2.0kV ESD Machine model (Note 7) 200V Junction Temperature (T J) 150˚C Solder Information (Note 1) Vapor Phase (60 sec.) 215˚C Infrared (15 sec.) 220˚C Thermal Resistance θ JA (typ) - LQA24A 42˚C/W θ JC (typ) - LQA24A 3.0˚C/W θ JA (typ) - BLA18AAB 48˚C/W (Note 9) θ JC (typ) - BLA18AAB 23˚C/W (Note 9) θ JA (typ) - TLA18AAA 48˚C/W (Note 9) θ JC (typ) - TLA18AAA 23˚C/W (Note 9) Operating Ratings (Note 3) Temperature Range −40˚C to 85˚C Supply Voltage V DD 2.6V ≤ V DD ≤ 5.0V Note 1: See AN-450 "Surface Mounting and their effects on Product Reli- ability" for other methods of soldering surface mount devices. Electrical Characteristics (Notes 3, 8) The following specifications apply for V DD= 5.0V, TA= 25˚C unless otherwise specified. Symbol Parameter Conditions LM4855 Units (Limits) Typical (Note 5) Limits (Note 6) I DD Supply Current Output mode 1 V IN = 0V; No loads 5.7 8 mA (max) Output mode 1 V IN = 0V; Loaded (Fig.1) 6.7 9 mA (max) Output modes 2, 3, 4, 5, 6, 7 V IN = 0V; No loads 7.5 11 mA (max) Output modes 2, 3, 4, 5, 6, 7 V IN = 0V; Loaded (Fig. 1) 8.5 12 mA (max) I SD Shutdown Current Output mode 0 0.1 2.0 µA (max) V OS Output Offset Voltage V IN = 0V 5.0 40 mV (max) P O Output Power SPKR OUT;RL =4 Ω THD+N = 1%; f = 1kHz, LM4855LQ 1.5 W SPKR OUT;RL =8 Ω THD+N = 1%; f = 1kHz 1.1 0.8 W (min) R OUT and LOUT;RL =32 Ω THD+N = 0.5%; f = 1kHz 115 70 mW (min) THD+N Total Harmonic Distortion Plus Noise SPKR OUT f = 20Hz to 20kHZ P OUT = 400mW; RL =8 Ω 0.5 % R OUT and LOUT f = 20Hz to 20kHZ P OUT = 50mW; RL =32 Ω 0.5 % N OUT Output Noise A-weighted (Note 10) 29 µV www.national.com 3 |
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