LM4818M National Semiconductor, LM4818M Datasheet
LM4818M
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LM4818M Summary of contents
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... SO package type to suit various appli- cations. Typical Application FIGURE 1. Typical Audio Amplifier Application Circuit Boomer ® registered trademark of National Semiconductor Corporation. © 2002 National Semiconductor Corporation Key Specifications n THD+N at 1kHz, 350mW continuous average output power into 16 load with 10% ...
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... Connection Diagrams www.national.com Small Outline (SO) Package DS200389-35 Top View Order Number LM4818M See NS Package Number M08A SO Marking DS200389-72 Top View XY - Date Code TT - Die Traceability Bottom 2 lines - Part Number 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 Storage Temperature Input Voltage Power Dissipation (P ) (Note 4) D ESD Susceptibility (Note 5) ESD Susceptibility (Note 6) Junction Temperature ( Soldering Information (Note 1) ...
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Electrical Characteristics V The following specifications apply for V 25˚C. (Continued) Note 1: See AN-450 ’Surface Mounting and their Effects on Product Reliability’ for other methods of soldering surface mount devices. Note 2: All voltages are measured with respect to ...
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Typical Performance Characteristics (Continued) DS200389-39 DS200389-41 DS200389-43 5 DS200389-40 DS200389-42 DS200389-44 www.national.com ...
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Typical Performance Characteristics Output Power vs Supply Voltage www.national.com (Continued) DS200389-45 DS200389-47 Output Power vs Supply Voltage DS200389-49 6 DS200389-73 DS200389-46 DS200389-48 ...
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Typical Performance Characteristics Output Power vs Supply Voltage Power Dissipation vs Output Power Power Derating Curves (Continued) Output Power vs Load Resistance DS200389-51 Power Dissipation vs Output Power ...
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Typical Performance Characteristics Supply Current vs Supply Voltage www.national.com (Continued) DS200389-69 8 ...
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Application Information BRIDGE CONFIGURATION EXPLANATION As shown in Figure 1 , the LM4818 consist of two operational amplifiers. External resistors, R and R i gain of the first amplifier (and the amplifier overall), whereas two internal 20k resistors set the ...
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Application Information operation by closing the switch. Opening the switch con- nects the shutdown pin to V through the pull-up resistor, DD activating micro-power shutdown. The switch and resistor guarantee that the SHUTDOWN pin will not float. This pre- vents ...
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Application Information 0.47µF 940ms 1.0µF In order to eliminate ’clicks and pops’, all capacitors must be discharged before turn-on. Rapidly switching V allow the capacitors to fully discharge, which may cause ’clicks and pops’. AUDIO POWER ...
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Application Information HIGHER GAIN AUDIO AMPLIFIER The LM4818 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 closed-loop differential gain of greater ...
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Application Information REFERENCE DESIGN BOARD and PCB LAYOUT GUIDELINES (Continued) Figure 4 13 DS200389-76 www.national.com ...
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Application Information Composite View Top Layer www.national.com (Continued) LM4818 SO DEMO BOARD ARTWORK DS200389-77 DS200389-79 14 Silk Screen DS200389-78 Bottom Layer DS200389-80 ...
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Application Information Mono LM4818 Reference Design Boards Bill of Material for all Demo Boards Item Part Number 1 551011208-001 LM4818 Mono Reference Design Board 10 482911183-001 20 151911207-001 21 151911207-002 25 152911207-001 30 472911207-001 35 210007039-002 PCB LAYOUT GUIDELINES This ...
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... National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications. inches (millimeters) unless otherwise noted SO Order Number LM4818M NS Package Number M08A 2. A critical component is any component of a life ...