LM4878IBP National Semiconductor, LM4878IBP Datasheet
LM4878IBP
Specifications of LM4878IBP
*LM4878IBP/NOPB
LM4878IBPCT
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LM4878IBP Summary of contents
Page 1
... The unity-gain stable LM4878 can be configured by external gain-setting resistors. Typical Application FIGURE 1. Typical Audio Amplifier Application Circuit Boomer ® registered trademark of National Semiconductor Corporation. © 2002 National Semiconductor Corporation Key Specifications j Power Output at 0.2% THD j Shutdown Current Features n Internal pulldown resistor on shutdown ...
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... Connection Diagrams www.national.com 8 Bump micro SMD Top View Order Number LM4878IBP, LM4878IBPX See NS Package Number BPA08B6B micro SMD Marking 10136036 Top View X - Date Code T - Die Traceability G - Boomer Family D - LM4878IBP 2 10136023 ...
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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 (Note 3) ESD Susceptibility (Note 4) ESD Susceptibility (Note 5) Junction Temperature Electrical Characteristics V The following specifications apply for V ...
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Electrical Characteristics V The following specifications apply for V 25˚C. (Continued) Symbol Parameter V Output Offset Voltage OS P Output Power ( 8Ω Output Power ( 4Ω ) THD+N Total Harmonic Distortion+Noise PSRR Power Supply Rejection Ratio Note ...
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Typical Performance Characteristics THD+N vs Frequency at 5V and 8Ω THD+N vs Frequency at 2.6V and 8Ω THD+N vs Output Power @ THD+N vs Frequency at 3.3V and 8Ω 10136003 THD+N vs Frequency at 2.6V and ...
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Typical Performance Characteristics THD+N vs Output Power 2.6V at 8Ω Output Power vs Supply Voltage Power Derating Curve www.national.com (Continued) THD+N vs Output Power 2.6V at 4Ω 10136009 Output Power vs Load Resistance 10136011 Power Dissipation vs Output Power V ...
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Typical Performance Characteristics (Continued) Power Dissipation vs Output Power V = 3.3V DD 10136027 Power Dissipation vs Output Power V = 2.6V DD 10136028 Clipping Voltage vs Supply Voltage 10136015 7 www.national.com ...
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Typical Performance Characteristics Supply Current vs Shutdown Voltage LM4878 @ VDD = 5/3.3/2.6V Power Supply Rejection Ratio Noise Floor www.national.com (Continued) Frequency Response vs dc 10136035 10136018 10136016 8 Input Capacitor Size 10136017 Open Loop Frequency Response 10136019 ...
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Application Information BRIDGE CONFIGURATION EXPLANATION As shown in Figure 1, the LM4878 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 width is dictated by the choice of external components shown in Figure 1. The input coupling capacitor, C first order high pass filter which limits low frequency re- sponse. This value should be chosen based on needed frequency ...
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Application Information The LM4878 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 than 10 is required, ...
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Application Information FIGURE 3. Differential Amplifier Configuration for LM4878 www.national.com (Continued) 12 10136029 ...
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Application Information Silk Screen Bottom Layer Inner Layer Ground (Continued) 10136030 10136032 10136034 13 Top Layer 10136031 Inner Layer V DD 10136033 www.national.com ...
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Application Information FIGURE 4. Reference Design Board and PCB Layout Guidelines Mono LM4878 Reference Design Board - Assembly Part Number: 980011207-100 Revision: A Bill of Material Item Part Number 1 551011208-001 10 482911183-001 20 151911207-001 21 151911207-002 25 152911207-001 30 ...
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Application Information PCB Layout Guidelines This section provides practical guidelines for mixed signal PCB layout that involves various digital/analog power and ground traces. Designers should note that these are only ’rule-of-thumb’ recommendations and the actual results will depend heavily on ...
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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 8-Bump micro SMD Order Number LM4878IBP, LM4878IBPX NS Package Number BPA08B6B ± ...