LM3875T National Semiconductor, LM3875T Datasheet
LM3875T
Specifications of LM3875T
*LM3875T/NOPB
LM3875T/NOPB
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LM3875T Summary of contents
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... FIGURE 1. Typical Audio Amplifier Application Circuit Overture ™ and SPiKe ™ are trademarks of National Semiconductor Corporation. © 2004 National Semiconductor Corporation Audio Power Amplifier Series Features n 56W continuous average output power into 8Ω n 100W instantaneous peak output power capability n Signal-to-Noise Ratio n Output protection from a short to ground or to the ™ ...
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... Connection Diagram Equivalent Schematic (Excluding active protection circuitry) www.national.com Plastic Package (Note 8) 01144902 Top View Order Number LM3875T or LM3875TF See NS Package Number TA11B for Staggered Lead Non-Isolated Package or TF11B for Staggered Lead Isolated Package 2 01144906 ...
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... Absolute Maximum Ratings 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. + − Supply Voltage | (No Signal) + − Supply Voltage | (Input Signal) Common Mode Input Voltage Differential Input Voltage Output Current Power Dissipation (Note 3) ...
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... Note 7: Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level). Note 8: The LM3875T package TA11B is a non-isolated package, setting the tab of the device and the heat sink the heat sink using only thermal compound mica washer is used in addition to thermal compound, θ ...
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Test Circuit #2 (AC Electrical Test Circuit) Single Supply Application Circuit *Optional components dependent upon specific design requirements. Refer to the External Components Description section for a component function description. FIGURE 2. Typical Single Supply Audio Amplifier Application Circuit 01144904 ...
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External Components Description (Figure 1 and Figure 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 ...
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Typical Performance Characteristics Safe Area Supply Current vs Supply Voltage Pulse Thermal Resistance 01144917 Pulse Thermal Resistance 01144919 01144921 7 SPiKe Protection Response 01144918 01144920 Supply Current vs Output Voltage 01144922 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) 01144923 01144925 01144927 8 Pulse Power Limit 01144924 Clipping Voltage vs Supply Voltage 01144926 Peak Output Current 01144928 ...
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Typical Performance Characteristics THD + N vs Frequency THD + N vs Output Power THD Distribution (Continued) 01144929 01144931 01144933 9 THD + N vs Output Power 01144930 THD Distribution 01144932 Output Power vs Load Resistance 01144934 www.national.com ...
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Typical Performance Characteristics Max Heatsink Thermal Resistance (˚C/W) at the Specified Ambient Temperature (˚C) and Maximum Power Dissipation vs Supply Voltage Note: The maximum heat sink thermal resistance values, Ø Power Dissipation vs Output Power Output Power 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) 01144939 01144941 Power Supply Rejection 01144943 11 IMD 60 Hz, 7 kHz, 4:1 01144940 IMD 60 Hz, 7 kHz, 1:1 ...
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Typical Performance Characteristics Common-Mode Rejection Ratio Pulse Response Application Information GENERAL FEATURES Under-Voltage Protection: Upon system power-up the under-voltage Protection Circuitry allows the power supplies and their corresponding caps to come up close to their full values before turning on ...
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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 , θ , and θ But since we know P DMAX JC and we are looking for θ have the following: SA θ = [(T − − Jmax Amb DMAX Again it ...
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Application Information LAYOUT, GROUND LOOPS AND STABILITY The LM3875 is designed to be stable when operated at a closed-loop gain greater, but as with any other high-current amplifier, the LM3875 can be made to oscillate under certain ...
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Application Information resistance, the square wave response will exhibit ringing if the capacitance is greater than about 0.2 µF. If highly ca- pacitive loads are expected due to long speaker cables, a method commonly employed to protect amplifiers from low ...
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Definition of Terms Input Offset Voltage: The absolute value of the voltage which must be applied between the input terminals through two equal resistances to obtain zero output voltage and current. Input Bias Current: The absolute value of the average ...
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Definition of Terms (Continued) is also an excellent equation to determine the 3 dB point of a closed-loop gain, assuming that you know the GBWP of the device. Refer to the diagram below. Bi-amplification: The technique of splitting the audio ...
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... Physical Dimensions inches (millimeters) unless otherwise noted Order Number LM3875TF NS Package Number TF11B Order Number LM3875T NS Package Number TA11B 19 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’’ as defined in CSP-9-111S2. ...