lm4903mm National Semiconductor Corporation, lm4903mm Datasheet
lm4903mm
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lm4903mm Summary of contents
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... The LM4903 is unity-gain stable and can be configured by external gain-setting resistors. Typical Application FIGURE 1. Typical Audio Amplifier Application Circuit Boomer is a registered trademark of National Semiconductor Corporation. ® © 2003 National Semiconductor Corporation Key Specifications Improved PSRR at 217Hz & 1KHz j Power Output at 5.0V, 1% THD, 8Ω ...
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... Connection Diagrams www.national.com Mini Small Outline (MSOP) Package 200467D1 Top View Order Number LM4903MM See NS Package Number MUA08A MSOP Marking 200467D2 Top View G - Boomer Family A4 - LM4903MM 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 (Note 10) Storage Temperature Input Voltage Power Dissipation (Notes 3, 11) ESD Susceptibility (Note 4) ESD Susceptibility ...
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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 Symbol Parameter I Quiescent Power Supply Current DD I Shutdown Current SD V Shutdown Voltage Input High SDIH ...
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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 Power Out 5V, 8Ω THD+N vs Power Out 2.6V, 8Ω Power Supply Rejection Ratio (PSRR) vs Frequency 5V, 8Ω Input ...
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Typical Performance Characteristics Power Supply Rejection Ratio (PSRR) vs Frequency 3V, 8Ω Input terminated with 10Ω Power Supply Rejection Ratio (PSRR) vs Frequency 2.6V, 8Ω Input terminated with 10Ω Open ...
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Typical Performance Characteristics Open Loop Frequency Response, 2.6V Power Derating Curves Power Dissipation vs Output Power, V www.national.com (Continued) 20046794 20046769 =3V DD 200467C8 8 Noise Floor, 5V, 8Ω 80kHz Bandwidth, Input to GND 20046795 Power Dissipation vs Output Power, ...
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Typical Performance Characteristics Shutdown Hysteresis Voltage 5V Shutdown Hysteresis Voltage 2.6V Output Power vs Supply Voltage, 16Ω (Continued) Shutdown Hysteresis Voltage 200467A1 200467A5 200467A7 9 3V 200467A3 Output Power vs Supply Voltage, 8Ω 200467A6 Output Power vs Supply Voltage, 32Ω ...
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Typical Performance Characteristics Frequency Response vs Input Capacitor Size www.national.com (Continued) 20046754 10 ...
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Application Information BRIDGE CONFIGURATION EXPLANATION As shown in Figure 1, the LM4903 has two internal opera- tional amplifiers. The first amplifier’s gain is externally con- figurable, while the second amplifier is internally fixed in a unity-gain, inverting configuration. The closed-loop ...
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Application Information from sources such as audio codecs. Please refer to the section, Audio Power Amplifier Design, for a more com- plete explanation of proper gain selection. Besides gain, one of the major considerations is the closed- loop bandwidth of ...
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Application Information FIGURE 3. DIFFERENTIAL AMPLIFIER CONFIGURATION FOR LM4903 (Continued) FIGURE 2. HIGHER GAIN AUDIO AMPLIFIER 13 200467D4 200467D5 www.national.com ...
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Application Information FIGURE 4. REFERENCE DESIGN BOARD SCHEMATIC www.national.com (Continued) 14 200467D6 ...
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Application Information LM4903 MSOP BOARD ARTWORK Composite View Top Layer Part Description LM4903 Audio AMP Tantalum Capcitor, 1µF Ceramic Capacitor, 0.39µF Resistor, 20kΩ, 1/10W Resistor, 100kΩ, 1/10W Jumper Header Vertical Mount 2X1 0.100“ spacing (Continued) 200467E0 200467D9 Mono LM4903 Reference ...
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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 MSOP Order Number LM4903MM NS Package Number MUA08A 2. A critical component is any component of a life ...