LM4753T National Semiconductor, LM4753T Datasheet
LM4753T
Specifications of LM4753T
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LM4753T Summary of contents
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... The LM4753 is available in a 15-lead non-isolated plastic package and is designed for use in TV applications requiring single supply operation. Typical Application FIGURE 1. Typical Audio Amplifier Application Circuit © 1999 National Semiconductor Corporation DS100043 Key Specifications n Output power into 8 load. The power n Maximum operating voltage n Power output stage Noise floor Line output Noise floor 55 µ ...
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Connection Diagram www.national.com Plastic Package DS100043-2 Top View Order Number See NS Package Number TA15A for Staggered Lead Non-Isolated Package 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 Output Current Internally Limited Power Dissipation (Note 5) ESD Susceptibility (Note 6) ESD Susceptibility (Note 7) Junction Temperature Electrical Characteristics The following specifications apply for V ...
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Electrical Characteristics The following specifications apply for V CC Symbol Parameter Standby V Standby Low Input Voltage IL V Standby High Input Voltage IH Mute V Mute Low Input Voltage IL V Mute High Input Voltage IH Note 1: DC ...
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Typical Performance Characteristics THD+N vs Frequency DS100043-8 THD+N vs Frequency DS100043-11 THD+N vs Output Power DS100043-14 THD+N vs Output Power DS100043-17 THD+N vs Frequency DS100043-9 THD+N vs Frequency DS100043-12 THD+N vs Output Power DS100043-15 THD+N vs Output Power DS100043-18 5 ...
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Typical Performance Characteristics Supply Current vs Supply Voltage DS100043-20 Channel Separation vs Frequency DS100043-23 Application Information GENERAL FEATURES The LM4753 has a number of valuable functions that make this audio amplifier IC an all-in-one solution. The IC has a stereo ...
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Application Information (Continued) abled, it overrides the mute function and places the IC in its power conserving mode. If the mute function is enabled while in standby mode, the IC will continue to remain in standby mode. After the standby ...
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Application Information If the sequence described above and shown in Figure 4 is not used, then the external circuitry shown in Figure 5 should be used to minimize turn-on/off pops and protect the output stage against SOA violations. In Figure ...
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Application Information (Continued) to ground for play mode, transistor Q1 is quickly cut off and diode D1 is forward biased. When D1 is forward biased, ca- pacitor C8 is quickly discharged to ground, bringing the standby pin voltage to 0V. ...
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Application Information FIGURE 6. Turn-On/Off External Circuitry Sequence Line Out The line out function for the LM4753 is intended to provide preamp output control for signal routing to an external power amplifier. An example of this would ...
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Application Information (Continued) In Figure kHz input signal is used to show the clipping and attenuating effect of the LM4753 when coming out of thermal shutdown. FIGURE 7. Thermal Shutdown Response THERMAL CONSIDERATIONS Determining Maximum Power ...
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Application Information performance of the tantalum will be better. There should also be large supply reservoir capacitors of about 4700 µF on each supply rail. A larger reservoir capacitor will reduce the supply ripple and will supply larger current burst ...
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... NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant ...