LM4860MX National Semiconductor, LM4860MX Datasheet
LM4860MX
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LM4860MX Summary of contents
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... Typical Application FIGURE 1. Typical Audio Amplifier Application Circuit The Boomer ® registered trademark is licensed to National Semiconductor for audio integrated circuits by Rockford Corporation. Patents pending. © 2004 National Semiconductor Corporation Key Specifications n THD continuous average output power into 8Ω: 1% (max) n Instantaneous peak output power: n Shutdown current: 0.6µ ...
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... Note 7: Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level). Note 8: The quiescent power supply current depends on the offset voltage when a practical load is connected to the amplifier. Note 9: Shutdown current has a wide distribution. For Power Management sensitive designs, contact your local National Semiconductor Sales Office. www.national.com ...
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High Gain Application Circuit Single Ended Application Circuit *C and C size depend on specific application requirements and constraints. Typical values **Pin should be connected disable the amplifier or ...
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External Components Description (Figures 1, 2) Components 1. R Inverting input resistance which sets the closed-loop gain in conjunction with R i forms a high pass filter with Input coupling capacitor which blocks DC voltage at the ...
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Typical Performance Characteristics THD+N vs Output Power Supply Current vs Time in Shutdown Mode Power Derating Curve (Continued) THD+N vs Output Power 01198813 01198815 01198817 5 01198814 Supply Current vs Supply Voltage 01198816 LM4860 Noise Floor vs Frequency 01198818 www.national.com ...
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Typical Performance Characteristics Supply Current Distribution vs Temperature Output Power vs Load Resistance Open Loop Frequency Response www.national.com (Continued) 01198819 01198821 01198823 6 Power Dissipation vs Output Power 01198820 Output Power vs Supply Voltage 01198822 Power Supply Rejection Ratio 01198824 ...
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Application Information BRIDGE CONFIGURATION EXPLANATION As shown in Figure 1, the LM4860 has two operational amplifiers internally, allowing for a few different amplifier configurations. The first amplifier’s gain is externally config- urable, while the second amplifier is internally fixed in ...
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Application Information Unlike the shutdown function, the headphone control func- tion does not provide the level of current conservation that is required for battery powered systems. Since the quiescent current resulting from the headphone control function is 1000 times more ...
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Application Information FIGURE 5. Typical Headphone Control Input Circuitry HIGHER GAIN AUDIO AMPLIFIER The LM4860 is unity-gain stable and requires no external components besides gain-setting resistors, an input coupling capacitor, and proper supply bypassing in the typical appli- cation. However ...
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Application Information AUDIO POWER AMPLIFIER DESIGN Design a 500 mW/8Ω Audio Amplifier Given: Power Output: 500 mWrms Load Impedance: 8Ω Input Level: 1 Vrms(max) Input Impedance: 20 kΩ ± Bandwidth: 20 Hz-20 kHz 0. designer must first determine ...
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... BANNED SUBSTANCE COMPLIANCE National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned Substances’’ as defined in CSP-9-111S2. ...