lm4920tlx National Semiconductor Corporation, lm4920tlx Datasheet
lm4920tlx
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lm4920tlx Summary of contents
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... The LM4920 contains advanced pop & click circuitry that eliminates noises which would otherwise occur during turn-on and turn-off transitions. The LM4920 has an internal fixed gain of 1.5V/V. Boomer ® registered trademark of National Semiconductor Corporation. © 2006 National Semiconductor Corporation Key Specifications j Improved PSRR at 217Hz j ...
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Typical Application FIGURE 1. Typical Audio Amplifier Application Circuit www.national.com 2 201793B8 ...
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Connection Diagrams microSMD Package Top View Order Number LM4920TL See NS Package Number TLE1411A Pin Descriptions Pin Name A1 R_IN A2 SGND A3 CPV A4 C CP+ B1 SD_RC B2 SD_LC B4 PGND C1 L_IN C2 R_OUT C4 C CP- ...
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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) Electrical ...
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Electrical Characteristics V The following specifications apply for V Symbol Parameter Z Output Impedance OUT I Input Leakage L Note 1: All voltages are measured with respect to the GND pin unless otherwise specified. Note 2: Absolute Maximum Ratings indicate ...
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Typical Performance Characteristics THD+N vs Frequency V = 1.6V 16Ω THD+N vs Frequency V = 1.8V 16Ω THD+N vs Frequency 16Ω www.national.com ...
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Typical Performance Characteristics THD+N vs Frequency V = 3.6V 16Ω THD+N vs Frequency V = 4.2V 16Ω THD+N vs Output Power V = 1.6V 16Ω, f ...
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Typical Performance Characteristics THD+N vs Output Power V = 1.6V 16Ω 1kHz DD L Two channels in phase THD+N vs Output Power V = 1.8V 16Ω 1kHz DD L One channel enabled ...
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Typical Performance Characteristics THD+N vs Output Power V = 3.0V 16Ω 1kHz DD L One channel enabled THD+N vs Output Power V = 3.0V 16Ω 1kHz DD L Two channels in phase ...
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Typical Performance Characteristics THD+N vs Output Power V = 3.6V 16Ω 1kHz DD L Two channels in phase THD+N vs Output Power V = 4.2V 16Ω 1kHz DD L One channel enabled ...
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Typical Performance Characteristics PSRR vs Frequency V = 1.6V 16Ω PSRR vs Frequency 16Ω PSRR vs Frequency V = 4.2V 16Ω (Continued) PSRR vs Frequency ...
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Typical Performance Characteristics Output Power vs Supply Voltage R = 16Ω, one channel L Output Power vs Supply Voltage R = 16Ω, 2 channels in phase L Supply Current vs Supply Voltage R = 16Ω L www.national.com (Continued) Output Power ...
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Application Information SUPPLY VOLTAGE SEQUENCING good general practice to first apply the supply voltage to a CMOS device before any other signal or supply on other pins. This is also true for the LM4920 audio amplifier which ...
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Application Information SD_LC/SD_RC pins and V . Connect the switch between DD the SD_LC/SD_RC pins and ground. Select normal amplifier operation by opening the switch. Closing the switch con- nects the SD_LC/SD_RC pins to ground, activating micro- power shutdown. The ...
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Application Information LM4920 micro SMD DEMO BOARD ARTWORK Top Layer Mid Layer 2 (Continued) 20179305 20179307 15 Mid Layer 1 20179306 Bottom Layer 20179308 www.national.com ...
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Revision History Rev 1.0 1.1 www.national.com Date 03/27/06 10/18/06 16 Description Initial release. Text edits. ...
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Physical Dimensions inches (millimeters) unless otherwise noted X1 = 1.970 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 ...