LM4668MH NSC [National Semiconductor], LM4668MH Datasheet
LM4668MH
Related parts for LM4668MH
LM4668MH Summary of contents
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... Flat Panel Monitors n Flat Panel TVs n Computer Sound Cards 20089102 See NS Package Number MXA20A DS200891 October 2004 = 14V 8Ω) 10W (typ) L 30mA (typ) = 12V 1kHz 6W) 79% (typ) 0.15mA (typ) 30dB (typ) = 8Ω Package 200891G3 Top View Order Number LM4668MH www.national.com ...
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Typical Application FIGURE 1. Typical Audio Amplifier Application Circuit (* Zetex ZHCS506) www.national.com 2 20089101 ...
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Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage Storage Temperature Input Voltage Power Dissipation (Note 3) ESD Susceptibility (Note 4) ESD Susceptibility (Note 5) Electrical ...
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... Electrical Characteristics for the LM4668 Note 8: Datasheets min/max specification limits are guaranteed by design, test, or statistical analysis. Note 9: Shutdown current is measured in a normal room environment. The SHUTDOWN pin should be driven as close as possible to GND for minimum shutdown current. Note 10: Please refer to “Under Voltage Protection” on page 8 under “General Features.” ...
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Typical Performance Characteristics Amplifier Output Power vs Power Supply Voltage R = 8Ω 1kHz L Power Rejection Ratio vs Frequency 8Ω, Input Referred DD L Power Rejection Ratio vs Frequency V = 14V, ...
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Typical Performance Characteristics Amplifier Power Dissipation vs Load Power Dissipation V = 12V 8Ω 1kHz DD L Output Power vs Load Resistance V = 14V 1kHz DD Output Power vs Load Resistance V = ...
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Typical Performance Characteristics Power Dissipation vs Ambient Temperature (Continued) 20089124 7 www.national.com ...
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General Features SYSTEM FUNCTIONAL INFORMATION Modulation Technique Unlike typical Class D amplifiers that use single-ended com- parators to generate a pulse-width modulated switching waveform and RC timing circuits to set the switching fre- quency, the LM4668 uses a balanced differential ...
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Application Hints (Continued) nominal cutoff frequency of 47kHz. This cutoff frequency ensures that the attenuation is much less than 3dB at 20kHz. The output filter cutoff frequency and topology are also optimized for operational efficiency. A higher cutoff frequency compromises ...
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Demonstration Board Layout www.national.com FIGURE 2. Recommended MH PCB Layout Top Silkscreen FIGURE 3. Recommended MH PCB Layout Top Layer 10 20089103 20089104 ...
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Demonstration Board Layout (Continued) FIGURE 4. Recommended MH PCB Layout Bottom Layer FIGURE 5. Recommended LD PCB Layout Top Silkscreen Layer 11 20089105 20089125 www.national.com ...
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Demonstration Board Layout www.national.com (Continued) FIGURE 6. Recommended LD PCB Layout Top Layer FIGURE 7. Recommended LD PCB Layout Bottom Layer 12 20089126 20089127 ...
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Physical Dimensions inches (millimeters) unless otherwise noted LD Package Order Number LM4668LD NS Package Number LDC14A 13 www.national.com ...
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... Deutsch Tel: +49 (0) 69 9508 6208 English www.national.com Français Tel: +33 ( 8790 MH Package Order Number LM4668MH NS Package Number MXA20A 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system affect its safety or effectiveness ...