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LM4851LQ Datasheet(PDF) 3 Page - National Semiconductor (TI) |
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LM4851LQ Datasheet(HTML) 3 Page - National Semiconductor (TI) |
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3 / 22 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 2, 8) The following specifications apply for V DD= 5.0V, TA= 25˚C unless otherwise specified. Symbol Parameter Conditions LM4851 Units (Limits) Typical (Note 5) Limit (Note 6) I DD Supply Current Output mode 7 V IN = 0V; IO =0A 7.5 14 mA (max) Output modes 1, 2, 3, 4, 5, 6 V IN = 0V; IO =0A 5.0 9.0 mA (max) I DD Shutdown Current Output mode 0 0.1 2 µA (max) V OS Output Offset Voltage V IN = 0V 5.0 50 mV (max) P O Output Power SPKR OUT;RL =4 Ω THD+N = 1%; f = 1kHz LM4851LQ 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 80 mW (min) THD+N Total Harmonic Distortion Plus Noise R OUT and LOUT; f = 1kHz P OUT = 80mW; RL =32 Ω 0.5 % (max) SPKR OUT; f = 1kHz P OUT = 800mW; RL =8 Ω 1.0 % (max) R OUT and LOUT; f = 20Hz to 20kHz P OUT = 100mW; RL =32 Ω 0.3 % SPKR OUT; f = 20Hz to 20kHz P OUT = 1W; RL =4 Ω LM4851LQ 0.3 % SPKR OUT; f = 20Hz to 20kHz P OUT = 800mW; RL =8 Ω 0.3 % N OUT Output Noise A-weighted (Note 10) 29 µV PSRR Power Supply Rejection Ratio V RIPPLE = 200mVPP; f = 217Hz Input floating; Input referred 70 dB V RIPPLE = 200mVPP; f = 217Hz Input terminated into 50 Ω; Output referred 62 dB V IH Logic High Input Voltage 1.4 5.0 V (min) V (max) V IL Logic Low Input Voltage 0.4 V (max) www.national.com 3 |
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