LM3876 Overture Audio Power Amplifier Series National Semiconductor, LM3876 Overture Audio Power Amplifier Series Datasheet
LM3876 Overture Audio Power Amplifier Series
Related parts for LM3876 Overture Audio Power Amplifier Series
LM3876 Overture Audio Power Amplifier Series Summary of contents
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... FIGURE 1. Typical Audio Amplifier Application Circuit Overture ™ and SPiKe ™ Protection are trademarks of National Semiconductor Corporation. © 2004 National Semiconductor Corporation Features n 56W continuous average output power into 8Ω n 100W instantaneous peak output power capability n Signal-to-Noise Ratio ≥ 95 dB(min input mute function ™ ...
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Connection Diagram + † Connect Pin for Compatibility with LM3886. Top View Order Number LM3876Tor LM3876TFSee NS Package Number TA11B forStaggered Lead Non-IsolatedPackage or TF11B forStaggered Lead Isolated Package www.national.com Plastic Package (Note 11) 01183202 2 ...
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... Absolute Maximum Ratings 5) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. + − Supply Voltage |V |+|V | (No Signal) + − Supply Voltage |V |+|V | (Input Signal) Common Mode Input Voltage Differential Input Voltage Output Current ...
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Electrical Characteristics The following specifications apply for V apply for T = 25˚C. A Symbol Parameter GBWP Gain-Bandwidth Product e (Note 3) Input Noise IN SNR Signal-to-Noise Ratio IMD Intermodulation Distortion Test Note 2: DC Electrical Test; refer to Test ...
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Test Circuit #1 (DC Electrical Test Circuit) Test Circuit #2 (AC Electrical Test Circuit) 5 01183203 01183204 www.national.com ...
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Single Supply Application Circuit *Optional components dependent upon specific design requirements. Refer to the External Components Description section for a component functional description. FIGURE 2. Typical Single Supply Audio Amplifier Application Circuit www.national.com 6 01183205 ...
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Equivalent Schematic (excluding active protection circuitry) 7 01183206 www.national.com ...
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External Components Description (Figures 1, 2) Components 1. R Acts as a volume control by setting the voltage level allowed to the amplifier’s input terminals Provides DC voltage biasing for the single supply operation and bias current ...
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Typical Performance Characteristics Safe Area Supply Current vs Supply Voltage Pulse Thermal Resistance 01183217 01183219 01183221 9 SPiKe Protection Response 01183218 Pulse Thermal Resistance 01183220 Supply Current vs Output Voltage 01183222 www.national.com ...
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Typical Performance Characteristics Pulse Power Limit Supply Current vs Case Temperature Input Bias Current vs Case Temperature www.national.com (Continued) 01183223 01183225 01183227 10 Pulse Power Limit 01183224 Pulse Response 01183226 Clipping Voltage vs Supply Voltage 01183228 ...
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Typical Performance Characteristics THD+N vs Frequency THD+N vs Output Power THD+N Distribution (Continued) THD+N vs Output Power 01183229 01183231 01183233 11 01183230 THD+N Distribution 01183232 Output Power vs Load Resistance 01183234 www.national.com ...
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Typical Performance Characteristics Note: The maximum heat sink thermal resistance values, ø Power Dissipation vs Output Power Output Power vs Supply Voltage www.national.com (Continued) Max Heatsink Thermal Resistance (˚C/W) at the Specified Ambient Temperature (˚C) PDmax r vs Supply Voltage ...
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Typical Performance Characteristics IMD 60 Hz, 7 kHz, 4:1 IMD 60 Hz, 1:1 IMD 60 Hz, 7 kHz, 1:1 (Continued) 01183239 01183241 01183243 13 IMD 60 Hz, 7 kHz, 4:1 01183240 IMD 60 Hz, 7 kHz 1:1 01183242 Mute Attenuation ...
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Typical Performance Characteristics Mute Attenuation vs Mute Current Power Supply Rejection Ratio Open Loop Frequency Response www.national.com (Continued) Large Signal Response 01183245 01183247 01183249 14 01183246 Common-Mode Rejection Ratio 01183248 ...
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... These parameters are in addition to knowing the maximum junction temperature and the thermal resistance of the IC, both of which are provided by National Semiconductor benefit to the system designer we have provided Maxi- mum Power Dissipation vs Supply Voltages curves for vari- ...
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Application Information Determining Maximum Power Dissipation Power dissipation within the integrated circuit package is a very important parameter requiring a thorough understand- ing if optimum power output obtained. An incorrect maximum power dissipation (P ) calculation may ...
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Application Information Typical signal-to-noise figures are listed for an A-weighted filter which is commonly used in the measurement of noise. The shape of all weighting filters is similar, with the peak of the curve usually occurring in the 3 kHz–7 ...
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Application Information phase, can feedback in a similar manner and cause insta- bilities. Out of phase ground loops also are troublesome, causing unexpected gain and phase errors. The solution to most ground loop problems is to always use a single-point ...
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Application Information The minimum gain from Equation (8) is select a gain of 21 (Non-Inverting Amplifier); resulting in a sensitivity of 894 mV. Letting R equal 100 kΩ gives the required input imped- IN ance, however, this would ...
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Definition of Terms (Continued) applies with the output transistors conducting alternately at a high enough frequency that the peak capability of neither transistor is exceeded. Power Bandwidth: The power bandwidth of an audio am- plifier is the frequency range over ...
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Physical Dimensions inches (millimeters) unless otherwise noted Order Number LM3876T NS Package Number TA11B Order Number LM3876TF NS Package Number TF11B 21 www.national.com ...
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... BANNED SUBSTANCE COMPLIANCE National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned Substances’ ...