LM4755TSX/NOPB National Semiconductor, LM4755TSX/NOPB Datasheet
LM4755TSX/NOPB
Specifications of LM4755TSX/NOPB
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LM4755TSX/NOPB Summary of contents
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... P at 10% THD+N @ 1kHz into 4Ω single-ended TO-263 O package at V =12V: 2.5W (typ) CC Typical Application FIGURE 1. Typical Audio Amplifier Application Circuit © 2008 National Semiconductor Corporation ■ 10% THD+N @ 1kHz into 8Ω bridged TO-263 O package at V Features ■ Drives 4Ω and 8Ω loads ■ ...
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Connection Diagrams www.national.com Plastic Package 10005902 Package Description Top View Order Number LM4755T Package Number TA09A 10005936 Top View Order Number LM4755TS Package Number TS9A 2 ...
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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 Input Voltage Input Voltage at Output Pins (Note 8) Output Current Power Dissipation (Note 3) ESD Susceptibility (Note 4) Junction Temperature Electrical Characteristics ...
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Note 1: All voltages are measured with respect to the GND pin (5), unless otherwse specified. Note 2: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is ...
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Equivalent Schematic 5 www.national.com ...
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Test Circuit www.national.com FIGURE 2. Test Circuit 6 10005904 ...
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System Application Circuit FIGURE 3. Circuit for External Components Description External Components Description Components Provides power supply filtering and bypassing Works with C to stabilize the output stage from high frequency oscillations. SN ...
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Typical Performance Characteristics THD+N vs Output Power THD+N vs Output Power THD+N vs Output Power www.national.com (Note 5) THD+N vs Output Power 10005912 THD+N vs Output Power 10005914 THD+N vs Output Power 10005907 8 10005913 10005906 10005908 ...
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THD+N vs Output Power 10005915 THD+N vs Output Power 10005917 THD+N vs Output Power 10005910 THD+N vs Output Power THD+N vs Output Power THD+N vs Output Power 9 10005916 10005909 10005911 www.national.com ...
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THD+N vs Output Power THD+N vs Output Power THD+N vs Output Power www.national.com THD+N vs Output Power 10005938 THD+N vs Output Power 10005940 THD+N vs Output Power 10005942 10 10005939 10005941 10005943 ...
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THD+N vs Output Power 10005944 THD+N vs Output Power 10005946 THD+N vs Output Power 10005948 THD+N vs Output Power THD+N vs Output Power THD+N vs Output Power 11 10005945 10005947 10005949 www.national.com ...
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Output Power vs Supply Voltage Frequency Response THD+N vs Frequency www.national.com Output Power vs Supply Voltage 10005918 THD+N vs Frequency 10005920 Frequency Response 10005922 12 10005919 10005921 10005923 ...
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Channel Separation 10005924 Supply Current vs Supply Voltage 10005926 Power Dissipation vs Output Power 10005928 PSRR vs Frequency Power Derating Curve Power Dissipation vs Output Power 13 10005925 10005927 10005929 www.national.com ...
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Power Dissipation vs Output Power Application Information The LM4755 contains circuitry to pull down the bias line in- ternally, effectively shutting down the input stage. An external R-C should be used to adjust the timing of the pull-down. If the ...
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FIGURE 4. Bridge-Mode Application 10005931 FIGURE 5. THD for Bridge-Mode Application OUT 15 10005930 10005937 www.national.com ...
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PREVENTING OSCILLATIONS With the integration of the feedback and bias resistors on- chip, the LM4755 fits into a very compact package. However, due to the close proximity of the non-inverting input pins to the corresponding output pins, the inputs should ...
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The above values for θ vary widely due to dimensional pro- SA portions (i.e. variations in width and length will vary θ For audio applications, where peak power levels are short in duration, this part will perform satisfactory with less ...
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PC BOARD LAYOUT-COMPOSITE www.national.com 18 10005933 ...
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PC BOARD LAYOUT-SILK SCREEN 19 10005934 www.national.com ...
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PC BOARD LAYOUT-SOLDER SIDE www.national.com 20 10005935 ...
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Physical Dimensions inches (millimeters) unless otherwise noted Order Number LM4755T NS Package Number TA9A 21 www.national.com ...
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Order Number LM4755TS NS Package Number TS9A 22 ...
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Notes 23 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 ...