lm4671itlx National Semiconductor Corporation, lm4671itlx Datasheet
lm4671itlx
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lm4671itlx Summary of contents
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... Typical Application FIGURE 1. Typical Audio Amplifier Application Circuit Boomer ® registered trademark of National Semiconductor Corporation. © 2005 National Semiconductor Corporation Key Specifications j Efficiency at 3.6V, 100mW into 8Ω speaker 80% (typ) j Efficiency at 3.6V, 400mW into 8Ω speaker 88% (typ) j Efficiency at 5V, 1W into 8Ω ...
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... Connection Diagrams 9 Bump micro SMD Package Top View Order Number LM4671ITL, LM4671ITLX See NS Package Number TLA09AAA www.national.com micro SMD Marking X — Date Code T — Die Traceability G — Boomer Family E7 — LM4671ITL 20107336 2 201073C6 Top View ...
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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 + 0.3V ≥ V ≥ GND - 0.3V Voltage at Any Input Pin ...
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Electrical Characteristics The following specifications apply for A apply for T = 25˚C. (Continued) A Symbol Parameter P Output Power O THD+N Total Harmonic Distortion + Noise PSRR Power Supply Rejection Ratio SNR Signal to Noise Ratio e Output Noise ...
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Note 1: All voltages are measured with respect to the ground pin, unless otherwise 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 functional, ...
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Typical Performance Characteristics THD+N vs Frequency V = 2.4V 15µH+4Ω+15µ 375mW, 22kHz BW O THD+N vs Frequency 15µH+4Ω+15µ 1.5mW, 22kHz BW O www.national.com THD+N vs ...
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Typical Performance Characteristics THD+N vs Frequency V = 3.6V 15µH+8Ω+15µ 500mW, 22kHz BW O THD+N vs Output Power 15µH+4Ω+15µ 1kHz, 22kHz BW (Continued) THD+N vs ...
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Typical Performance Characteristics CMRR vs Frequency V = 3.6V 15µH+8Ω+15µ 22kHz BW ripple p-p Efficiency vs Output Power R = 15µH+4Ω+15µ 1kHz, 22kHz BW www.national.com (Continued) PSRR vs Frequency ...
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Typical Performance Characteristics Power Dissipation vs Output Power R = 15µH+4Ω+15µ 1kHz, 22kHz BW Output Power vs Supply Voltage R = 15µH+4Ω+15µ 3.6V DD (Continued) Power Dissipation vs Output Power ...
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Typical Performance Characteristics Gain vs Supply Voltage R = 150kΩ in Shutdown Current vs Supply Voltage R = 15µH+8Ω+15µH L Application Information GENERAL AMPLIFIER FUNCTION The LM4671 features a filterless modulation scheme. The differential outputs of the device switch at ...
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Application Information band output power. The LM4671 dissipates only a fraction of the excess power requiring no additional PCB area or cop- per plane to act as a heat sink. DIFFERENTIAL AMPLIFIER EXPLANATION As logic supply voltages continue to shrink, ...
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Application Information the LM4671 is 0V. Input capacitors create a high-pass filter with the input resistors The –3dB point of the high-pass i filter is found using Equation (3) below (2π (Hz) ...
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Application Information FIGURE 3. Differential input configuration with input capacitors FIGURE 4. Dual differential input configuration (Continued) 13 201073I8 201073I9 www.national.com ...
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Application Information www.national.com (Continued) FIGURE 5. Single-ended input configuration FIGURE 6. Dual single-ended input configuration 14 201073J0 201073J1 ...
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Application Information FIGURE 7. Dual input with a single-ended input and a differential input (Continued) 15 201073J2 www.national.com ...
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Application Information REFERENCE DESIGN BOARD SCHEMATIC In addition to the minimal parts required for the application circuit, a measurement filter is provided on the evaluation circuit board so that conventional audio measurements can be conveniently made without additional equipment. This ...
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Application Information LM4671 micro SMD BOARD ARTWORK Composite View Top Layer Internal Layer 2, GND (Continued) 201073J6 201073K0 201073J8 17 Silk Screen 201073J9 Internal Layer 1, GND 201073J7 Bottom Layer 201073J5 www.national.com ...
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... Deutsch Tel: +49 (0) 69 9508 6208 English www.national.com Français Tel: +33 ( 8790 9 Bump micro SMD Order Number LM4671ITL, LM4671ITLX NS Package Number TLA09AAA X1 = 1.514 X2 = 1.514 X3 = 0.600 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 ...