LM4879MMBD/NOPB National Semiconductor, LM4879MMBD/NOPB Datasheet
LM4879MMBD/NOPB
Specifications of LM4879MMBD/NOPB
LM4879MMBD/NOPB Summary of contents
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... The LM4879 is unity-gain stable and can be configured by external gain-setting resistors. Typical Application FIGURE 1. Typical Audio Amplifier Application Circuit Boomer ® registered trademark of National Semiconductor Corporation. © 2004 National Semiconductor Corporation Key Specifications j PSRR: 5V Power Output at 5V & 1% THD+N j Power Output at 3V & ...
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Connection Diagrams 8 Bump micro SMD Top View Order Number LM4879IBP, LM4879IBPX See NS Package Number BPA08DDB Mini Small Outline (MSOP) Package Top View Connect Order Number LM4879MM See NS Package Number MUB10A 9 Bump micro SMD ...
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Connection Diagrams 9 Bump micro SMD Top View Order Number LM4879ITL, LM4879ITLX See NS package Number TLA09AAA Leadless Leadframe Package (LLP) Top View Order Number LM4879SD See NS Package Number SDC08A (Continued) 20024386 20024302 3 9 Bump micro SMD Marking ...
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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 (Note 9) Storage Temperature Input Voltage Power Dissipation (Note 3) ESD Susceptibility (Note 4) ESD Susceptibility (Note 5) Junction Temperature Thermal Resistance Electrical Characteristics V The following specifications apply for the circuit shown in Figure 1 unless otherwise specified ...
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Electrical Characteristics V The following specifications apply for the circuit shown in Figure 1 unless otherwise specified. Limits apply for T 25˚C. (Continued) Symbol Parameter N Output Noise OUT Electrical Characteristics V The following specifications apply for the circuit shown ...
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External Components Description (Figure 1) Components 1. R Inverting input resistance which sets the closed-loop gain in conjunction with R i high pass filter with Input coupling capacitor which blocks the DC voltage at the amplifiers input ...
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Typical Performance Characteristics THD+N vs Frequency 8Ω, PWR = 250mW DD L THD+N vs Frequency V = 2.6V 8Ω, PWR = 100mW DD L THD+N vs Power Out ...
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Typical Performance Characteristics THD+N vs Power Out V = 2.6V 8Ω 1kHz DD L Power Supply Rejection Ratio Power Supply Rejection Ratio V = 2.6V DD www.national.com (Continued) THD+N vs Power Out ...
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Typical Performance Characteristics Power Dissipation vs Output Power Power Dissipation vs Output Power (LLP Package Power Derating - 8 Bump µSMD P = 670mW DMAX 8Ω DD ...
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Typical Performance Characteristics Power Derating - LLP P = 670mV DMAX Output Power vs Supply Voltage Clipping (Dropout) Voltage vs Supply Voltage www.national.com (Continued 200243B4 20024350 20024352 10 Output Power vs Supply ...
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Typical Performance Characteristics Shutdown Hysterisis Voltage Shutdown Hysterisis Voltage V = 2.6V DD Frequency Response vs Input Capacitor Size (Continued) Shutdown Hysterisis Voltage 20024376 20024378 20024356 20024377 Open Loop Frequency Response ...
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Application Information BRIDGE CONFIGURATION EXPLANATION As shown in Figure 1, the LM4879 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 Selection Of Input Capacitor Size Large input capacitors are both expensive and space hungry for portable designs. Clearly, a certain sized capacitor is needed to couple in low frequencies without severe attenu- ation. But in many cases the ...
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Application Information The LM4879 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 LM4879 FIGURE 4. REFERENCE DESIGN BOARD and LAYOUT - micro SMD (Continued) 15 20024389 20024390 www.national.com ...
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Application Information FIGURE 5. REFERENCE DESIGN BOARD and PCB LAYOUT GUIDELINES - MSOP & SO Boards www.national.com (Continued) 16 20024368 ...
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Application Information LM4879 micro SMD BOARD ARTWORK Silk Screen Bottom Layer Inner Layer V DD (Continued) 20024357 20024359 20024361 17 Top Layer 20024358 Inner Layer Ground 20024360 www.national.com ...
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Application Information LM4879 MSOP DEMO BOARD ARTWORK Silk Screen Bottom Layer TABLE 1. Mono LM4879 Reference Design Boards Bill of Material for all 3 Demo Boards Item Part Number 1 551011208-001 LM4879 Mono Reference Design Board 10 482911183-001 LM4879 Audio ...
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Application Information LM4879 LLP DEMO BOARD ARTWORK Silk Screen Bottom Layer (Continued) 200243C2 200243C1 19 Top Layer 200243C0 www.national.com ...
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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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Physical Dimensions inches (millimeters) unless otherwise noted Note: Unless otherwise specified. 1. Epoxy coating. 2. 63Sn/37Pb eutectic bump. 3. Recommend non-solder mask defined landing pad. 4. Pin 1 is established by lower left corner with respect to text orientation pins ...
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Physical Dimensions Note: Unless otherwise specified. 1. Epoxy coating. 2. 63Sn/37Pb eutectic bump. 3. Recommend non-solder mask defined landing pad. 4. Pin 1 is established by lower left corner with respect to text orientation pins are numbered counterclockwise. 5. Reference ...
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Physical Dimensions inches (millimeters) unless otherwise noted (Continued) LLP Order Number LM4879SD NS Package Number SDC08A 23 www.national.com ...
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Physical Dimensions X1 = 1.514 www.national.com inches (millimeters) unless otherwise noted (Continued) 9-Bump micro SMD Order Number LM4879ITL LM4879ITLX NS Package Number TLA09AAA ± ± 0. 1.514 0. 0.60 MSOP Order Number LM4879MM NS Package Number ...
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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. ...