LM4756TALB10 National Semiconductor, LM4756TALB10 Datasheet
LM4756TALB10
Specifications of LM4756TALB10
Related parts for LM4756TALB10
LM4756TALB10 Summary of contents
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... Order Number LM4756TA See NS Package Number TA15A 90 Degree Lead Bend Order Number LM4756TA Spec. LB10 See NS Package Number TA15D © 2003 National Semiconductor Corporation Key Specifications n Output power into 4Ω or 8Ω at 10% THD n Maximum operating voltage n Power output stage Noise floor n Line output Noise floor n 0V– ...
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Typical Application FIGURE 1. Typical Audio Amplifier Application Circuit www.national.com 20064401 2 ...
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... Absolute Maximum Ratings 4) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage Output Current Power Dissipation (Note 5) ESD Susceptibility (Note 6) ESD Susceptibility (Note 7) Junction Temperature Soldering Information Electrical Characteristics The following specifications apply for V ...
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Electrical Characteristics The following specifications apply for V Symbol Parameter SNR Signal-to-Noise Ratio 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 ...
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Typical Performance Characteristics THD+N vs Frequency V = 18V 1W/Channel CC OUT R = 4Ω, 80kHz BW L THD+N vs Output Power V = 18V 1kHz 4Ω, 80kHz BW L Output Power vs ...
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Typical Performance Characteristics Power Dissipation vs Output Power Channel Separation vs Frequency Volume Attenuation vs DC Voltage www.national.com (Continued) 20064421 20064423 20064425 6 Power Dissipation vs Output Power 20064422 Attenuation vs Frequency 20064424 Supply Current vs Supply Voltage 20064437 ...
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Typical Performance Characteristics Supply Current vs Standby Voltage Application Information GENERAL FEATURES The LM4756 has a number of valuable functions that make this audio amplifier IC an all-in-one solution. The IC has a stereo audio path from input to output ...
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Application Information for a debounce circuit when using a mechanical switch to control the IC logic functions. However, most systems typi- cally utilize a microprocessor or COP microcontroller to in- terface with the logic control functions of the LM4756. When ...
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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 voltage enables the standby function, the voltage at the volume pin will already have been ramped down to 0V and the output signal will be close to 0V. When the standby mode the biasing of ...
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Application Information FIGURE 6. Turn-On/Off External Circuitry Sequence Line Out The line out function for the LM4756 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 voltage swing will be reduced, creating a clipping effect as shown in Figure 7. With further increases in die temperature the maximum voltage swing will be further reduced. The thermal sensing mechanism monitors the global die temperature and ...
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Application Information and power op amps should have their supply leads by- passed with low-inductance capacitors having short leads. All high frequency bypass capacitors should be located as close to the package terminals as possible and have a clear unobstructed ...
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Application Information LM4756 REFERENCE BOARD ARTWORK Composite Layer Top Layer www.national.com (Continued) 20064441 20064440 14 Silk Layer 20064442 Bottom Layer 20064443 ...
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Application Information BILL OF MATERIALS FOR REFERENCE PCB Symbol Value R 3.3kΩ 36kΩ 20kΩ 5.1kΩ 51kΩ 1.5Ω SN1 SN2 R 10kΩ ...
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Physical Dimensions unless otherwise noted www.national.com inches (millimeters) Staggered 15 Lead Non-Isolated TO-220 Package Order Number LM4756TA See NS Package Number TA15A 16 ...
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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 ...