LM4889MM National Semiconductor, LM4889MM Datasheet
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LM4889MM
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LM4889MM Summary of contents
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... The LM4889 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. © 2006 National Semiconductor Corporation Key Specifications ■ Improved PSRR at 217Hz 3.3V ■ ...
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... SO Marking 20035872 Top View XY - Date Code TT - Die Traceability MSOP Marking 20035871 Top View G - Boomer Family A2 - LM4889MM 8 Bump micro SMD Marking 20035879 Top View X - Date Code T - Die Traceability G - Boomer Family A3 - LM4889ITL 10 Pin LLP Marking 20035831 Top View Digit Date Code ...
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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 Thermal Resistance θ ...
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Electrical Characteristics V Symbol Parameter I Quiescent Power Supply Current DD I Shutdown Current SD Output Power ( 8Ω Output Power ( 4Ω ) THD+N Total Harmonic Distortion+Noise PSRR Power Supply Rejection Ratio Note 1: All voltages ...
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Typical Performance Characteristics THD+N vs Frequency 5V, 8Ω and PWR = 250mW DD L THD+N vs Frequency 2.6V, 8Ω and PWR = 100mW DD L THD+N vs Power Out at ...
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THD+N vs Power Out 2.6V, 8Ω Power Supply Rejection Ratio (PSRR Input terminated with 10Ω R Power Supply Rejection Ratio (PSRR Input terminated with 10Ω R www.national.com , 1kHz L 20035843 ...
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Power Dissipation vs Output Power V = 3.3V DD 20035849 Output Power vs Load Resistance 20035874 Supply Current vs Shutdown Voltage 20035853 Power Dissipation vs Output Power Power Dissipation vs Output Power V = 2.6V DD ...
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Open Loop Frequency Response Noise Floor Power Derating Curves - 8 bump µSMD (P = 670mW) DMAX www.national.com 20035855 20035856 Power Derating Curves - 10 Pin LD pkg 20035833 8 Frequency Response vs Input Capacitor Size 20035854 ...
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Application Information BRIDGE CONFIGURATION EXPLANATION As shown in Figure 1, the LM4889 has two operational am- plifiers internally, allowing for a few different amplifier config- urations. The first amplifier's gain is externally configurable, while the second amplifier is internally fixed ...
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But in many cases the speakers used in portable sys- tems, whether internal or external, have little ability to reproduce signals below 100 Hz to 150 Hz. Thus, using a ...
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The LM4889 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, a feedback ...
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FIGURE 3. Differential Amplifier Configuration for LM4889 www.national.com 12 20035829 ...
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FIGURE 4. Reference Design Board and Layout - micro SMD 13 20035880 www.national.com ...
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LM4889 micro SMD DEMO BOARD ARTWORK Composite View Top Layer Inner Layer Ground www.national.com Silk Screen 20035886 Bottom Layer 20035882 Inner Layer V 20035885 14 20035881 20035883 DD 20035884 ...
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REFERENCE DESIGN BOARD AND PCB LAYOUT GUIDELINES - MSOP & SO BOARDS FIGURE 5. Reference Design Board 15 20035868 www.national.com ...
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LM4889 SO DEMO BOARD ARTWORK Silk Screen Top Layer Bottom Layer www.national.com LM4889 MSOP DEMO BOARD ARTWORK 20035876 20035863 20035864 16 Silk Screen 20035877 Top Layer 20035866 Bottom Layer 20035867 ...
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... Physical Dimensions inches (millimeters) unless otherwise noted X1 = 1.514±0. 1.514±0. 0.600±0.075 8-Bump micro SMD Order Number LM4889ITL, LM4889ITLX NS Package Number TLA08AAA MSOP Order Number LM4889MM NS Package Number MUA08A 17 www.national.com ...
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LLP Order Number LM4889LD NS Package Number LDA10B SO Order Number LM4889MA NS Package Number M08A 18 ...
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Notes 19 www.national.com ...
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... National Semiconductor and the National Semiconductor logo are registered trademarks of National Semiconductor Corporation. All other brand or product names may be trademarks or registered trademarks of their respective holders. ...