LM4674ATLX National Semiconductor, LM4674ATLX Datasheet
LM4674ATLX
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LM4674ATLX Summary of contents
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... Independent left/right shutdown con- trols maximizes power savings in mixed mono/stereo appli- cations. Boomer ® registered trademark of National Semiconductor Corporation. © 2006 National Semiconductor Corporation Key Specifications j Efficiency at 3.6V, 100mW into 8Ω j Efficiency at 3.6V, 500mW into 8Ω ...
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Typical Application FIGURE 1. Typical Audio Amplifier Application Circuit www.national.com 2 20196103 ...
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Connection Diagrams TL Package (2mmx2mmx0.6mm) 20196101 Top View Order Number LM4674ATL See NS Package Number TL1611A LM4674ATL Markings 20196125 Top View digit datecode TT = Die traceability G = Boomer Family I2 = LM4674ATL 3 www.national.com ...
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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 (Note 1) Storage Temperature Input Voltage Power Dissipation (Note 3) ESD Susceptibility, all other pins (Note 4) ESD Susceptibility (Note 5) Electrical Characteristics V ...
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Electrical Characteristics V The following specifications apply for 25˚C. (Continued) A Symbol Parameter P Output Power O THD+N Total Harmonic Distortion PSRR Power Supply Rejection Ratio CMRR Common Mode Rejection Ratio η Efficiency Crosstalk SNR Signal to ...
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External Components Description (Figure 1) Components 1. C Supply bypass capacitor which provides power supply filtering. Refer to the Power Supply Bypassing S section for information concerning proper placement and selection of the supply bypass capacitor Input AC ...
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Block Diagrams 7 20196137 www.national.com ...
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Block Diagrams (Continued) www.national.com Differential Input Configuration 8 20196138 ...
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Typical Performance Characteristics THD+N vs Output Power f = 1kHz 24dB THD+N vs Output Power f= 1kHz 24dB THD+N vs Frequency V = 2.5V 100mW OUT = 8Ω ...
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Typical Performance Characteristics THD+N vs Frequency 375mW OUT THD+N vs Frequency V = 3.6V 250mW OUT Efficiency vs. Output Power R = 4Ω 1kHz L www.national.com (Continued) ...
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Typical Performance Characteristics Power Dissipation vs. Output Power R = 4Ω 1kHz L Output Power vs. Supply Voltage R = 4Ω 1kHz L PSRR vs. Frequency V = 3.6V 200mV DD RIPPLE (Continued) Power ...
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Typical Performance Characteristics CMRR vs. Frequency V = 3.6V P-P www.national.com (Continued) Supply Current vs. Supply Voltage , R = 8Ω L 20196157 12 No Load 20196158 ...
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Application Information GENERAL AMPLIFIER FUNCTION The LM4674A stereo Class D audio power amplifier features a filterless modulation scheme that reduces external compo- nent count, conserving board space and reducing system cost. The outputs of the device transition from V with ...
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Application Information PCB LAYOUT GUIDELINES As output power increases, interconnect resistance (PCB traces and wires) between the amplifier, load and power supply create a voltage drop. The voltage loss due to the traces between the LM4674A and the load results ...
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Application Information (Continued) Differential Input Configuration FIGURE 2. 15 20196126 www.national.com ...
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Application Information www.national.com (Continued) Single-Ended Input Configuration FIGURE 3. 16 20196138 ...
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Revision Table Rev 1.0 Date 9/13/06 Initial WEB release. 17 Description www.national.com ...
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... BANNED SUBSTANCE COMPLIANCE National Semiconductor follows the provisions of the Product Stewardship Guide for Customers (CSP-9-111C2) and Banned Substances and Materials of Interest Specification (CSP-9-111S2) for regulatory environmental compliance. Details may be found at: www.national.com/quality/green. ...