LM48520TLBD National Semiconductor, LM48520TLBD Datasheet
LM48520TLBD
Specifications of LM48520TLBD
Related parts for LM48520TLBD
LM48520TLBD Summary of contents
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... Gain0 and Gain1 pins. Output short circuit prevents the de- vice from damage during fault conditions. Superior click and pop suppression eliminates audible transients during power- up and shutdown. Boomer ® registered trademark of National Semiconductor Corporation. © 2008 National Semiconductor Corporation Key Specifications ■ Quiescent Power Supply Current ■ ...
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Typical Application FIGURE 1. Typical LM48520 Audio Amplifier Application Circuit www.national.com 2 20198701 ...
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Connection Diagrams LM48520TL Top View Order Number LM48520TL See NS Package Number TLA25AAA Micro SMD Marking 20198721 Top View X — Date Code T — Die Traceability G — Boomer Family I5 — LM48520TL 3 20198702 www.national.com ...
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Pin Descriptions Pin Designator Pin Name A1 VDD A2 BstFB A3 Soft Start A4 SW_GND INR+ B2 INR- B3 FB_GND B4 INL- B5 INL BstSD C3 GND C4 Gain0 C5 PV1 D1 AmpSD D2 ...
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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) Junction Temperature Electrical Characteristics V The following specifications apply for V apply for T = 25° ...
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Symbol Parameter PSRR Power Supply Rejection Ratio CMRR Common Mode Rejection Ratio η Efficiency V Feedback Pin Reference Voltage FB Output Voltage in clipped state with V out clipped soft clip activated Note 1: All voltages are measured with respect ...
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Typical Performance Characteristics THD+N vs Frequency V = 2.7V 800mW OUT THD+N vs Frequency V = 5.0V 1W OUT THD+N vs Output Power = 8Ω 3.3V ...
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Power Dissipation vs Output Power = 8Ω 1kHz V = 2.7V Power Dissipation vs Output Power = 8Ω 1kHz V = 5.0V Efficiency vs Output Power = 8Ω ...
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CMRR vs Frequency = 8Ω V =3.3V RIPPLE P-P L Supply Current vs Supply Voltage No Load 20198724 Boost Output Voltage vs Load Current V = 2.7V DD PSRR vs Frequency V =3.3V, V ...
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Boost Output Voltage vs Load Current V = 5.0V DD www.national.com 20198728 10 ...
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Application Information GENERAL AMPLIFIER FUNCTION The LM48520 features a Class D audio power amplifier that utilizes a filterless modulation scheme, reducing external component count, conserving board space and reducing sys- tem cost. The outputs of the device transition from PV1 ...
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Capacitors with high-voltage coefficients, such as ceramics, may result in increased distortion at low frequen- cies. Other factors to consider when designing the input filter include the constraints of the overall ...
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(AVG DC) LOAD IND Where "DC" is the duty cycle of the application. The switch current can be found by (AVG IND RIPPLE Inductor ripple current is ...
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Output Speaker Protection Function The LM48520’s output voltage limiter can be used to set a minimum and maximum output voltage swing magnitude. The voltage applied to the VLimit pin controls the limit on the out- put voltage level. The output ...
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Revision History Rev Date 1.0 02/27/08 1.01 03/07/08 1.02 03/12/08 Description Initial release. Added the Soft clipping vs No clipping curve. Text edits. 15 www.national.com ...
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Physical Dimensions www.national.com inches (millimeters) unless otherwise noted micro SMD Package Order Number LM48520TL NS Package Number TLA25AAA X1 = 2.49mm 2.49mm 0.6mm, 16 ...
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Notes 17 www.national.com ...
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... For more National Semiconductor product information and proven design tools, visit the following Web sites at: Products Amplifiers www.national.com/amplifiers Audio www.national.com/audio Clock Conditioners www.national.com/timing Data Converters www.national.com/adc Displays www.national.com/displays Ethernet www.national.com/ethernet Interface www.national.com/interface LVDS www.national.com/lvds Power Management www.national.com/power Switching Regulators www.national.com/switchers LDOs www ...