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LM4831 Datasheet(PDF) 2 Page - National Semiconductor (TI) |
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LM4831 Datasheet(HTML) 2 Page - National Semiconductor (TI) |
2 / 12 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 Input Voltage −0.3V to V DD +0.3V Power Dissipation (Note 3) Internally limited ESD Susceptibility (Note 4) 2500V ESD Susceptibility (Note 5) 200V Junction Temperature 150˚C Soldering Information Small Outline Package Vapor Phase (60 sec.) 215˚C Infrared (15 sec.) 220˚C See AN-450 “Surface Mounting and their Effects on Product Reliability” for other methods of soldering surface mount devices. Thermal Resistance θ JC (typ) 15˚C/W θ JA (typ) 62˚C/W Operating Ratings Temperature Range −40˚C to 85˚C Supply Voltage 2.7 ≤ V DD ≤ 5.5V Electrical Characteristics (Notes 1, 2) The following specifications apply for V DD = 5V, RL =8Ω andf=1 kHz, unless otherwise specified. Distortion measurements represent the full audio chain from Input A of each channel to their respective output. Limits apply for T A = 25˚C. Symbol Parameter Conditions LM4831 Units (Limits) Typical (Note 6) Limit (Note 7) General Characteristics For Entire IC V DD Supply Voltage 2.7 V (min) 5.5 V (max) I DD Quiescent Power Supply Current Bridged Mode, I O = 0 mA 16 50 mA (max) Single-Ended Mode, I O = 0 mA 10.5 mA Docking Station Mode, I O =0mA 7 mA I SD Shutdown Current V PIN-43 = 5V, V PIN-41 =VPIN-42 = 0V 2 50 µA (max) V DD/2 Half Supply Bypass Voltage V IN = 0V, VPin-43 = 0V 2.45 2.4 V (min) 2.6 V (max) Power Amplifiers P O Output Power - Bridged Mode R L =8Ω,THD = 1% 1.1 1 W (min) R L =4Ω,THD=1% 1.5 W Output Power - Single-Ended Mode R L =8Ω,THD=1% 300 mW R L =4Ω,THD=1% 550 mW THD Total Harmonic Distortion Bridged Mode, P O = 1W, RL =8Ω 0.5 2.0 % (Max) Single-Ended Mode, P O = 225mW, R L =8Ω 0.15 % V OS Output Offset Voltage V IN = 0V 5 50 mV (Max) E Noise Input Referred Noise A-Weighted Filter, V IN = 0V, R L =8Ω Bridged Output 45 100 µV (max) Single-Ended Output 35 100 µV (max) PSRR Power Supply Rejection Ratio f = 1kHz, C B = 0.5µF, RL =8Ω Bridged Output 47 dB Single-Ended Output 45 dB X TALK Channel to Channel Crosstalk f = 1kHz, P O = 1W, RL =8Ω Right to Left −82 dB Left to Right −73 dB I TS TRI-STATE® Current-Single Ended Mode V PIN-41 = 4.0V, L_PA+OUT = R_PA+OUT = V DD or GND 80 100 µA (max) www.national.com 2 |
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