LM4918LQ/NOPB National Semiconductor, LM4918LQ/NOPB Datasheet
LM4918LQ/NOPB
Specifications of LM4918LQ/NOPB
Related parts for LM4918LQ/NOPB
LM4918LQ/NOPB Summary of contents
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... Typical Application FIGURE 1. Typical Audio Amplifier Application Circuit Boomer ® registered trademark of National Semiconductor Corporation. © 2004 National Semiconductor Corporation Key Specifications j THD+N at 1kHz, 1W, 8Ω j Total quiescent power supply current ...
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Connection Diagrams www.national.com LQ Package Top View Order Number LM4918LQ See NS Package Number LQA32B LQ Marking 200913H7 Top View NS - Std NS Logo U - Wafer Fab Code Z - Assembly Plant Code Digit Date ...
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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 Symbol Parameter ...
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Note 1: All voltages are measured with respect to the ground pin, unless otherwise specified. Note 2: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is functional, ...
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Typical Performance Characteristics THD+N vs Frequency 4Ω, BTL THD+N vs Frequency 8Ω, BTL THD+N vs Frequency 32Ω, SE, P ...
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Typical Performance Characteristics THD+N vs Output Power 8Ω, BTL DD L THD+N vs Output Power 32Ω Output Power vs Load Resistance BTL www.national.com (Note 12) (Continued) THD+N ...
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Typical Performance Characteristics Power Dissipation vs Output Power V = 3V, BTL DD Power Dissipation vs Output Power and 3V 32Ω (Note 12) (Continued) Power Dissipation vs Output Power V DD 200913G6 ...
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Typical Performance Characteristics PSRR vs Frequency 8Ω, BTL, Full System DD L Inputs 10Ω Terminated to GND PSRR vs Frequency 32Ω, SE, Full System DD L Inputs 10Ω Terminated to ...
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Typical Performance Characteristics Supply Voltage vs Output Power R = 8Ω, BTL,10% and 1% THD+N L Channel Separation and 3V 8Ω, BTL DD L (Note 12) (Continued) Supply Voltage vs Output Power R = 32Ω, ...
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Application Information BRIDGE CONFIGURATION EXPLANATION As shown in Figure 1, the LM4918 consists of two pairs of operational amplifiers, forming a two-channel (channel L and channel R) stereo amplifier. (Though the following discusses channel L, it applies equally to channel ...
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Application Information mize thermal design may compromise the LM4918’s perfor- mance and activate unwanted, though necessary, thermal shutdown protection. The LM4918LD must have its DAP soldered to a copper pad on the PCB. The DAP’s PCB copper pad is then, ...
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Application Information FIGURE 3. Block Diagram with external component for AGC closed loop AUTOMATIC GAIN CONTROL (AGC) The AGC represents a closed loop gain control network in conjunction with the peak detect monitoring the outputs of the power amplifier section. ...
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Application Information STEP (Continued) TABLE 1. Typical VAGCREF ...
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Application Information SHUTDOWN FUNCTION In order to reduce power consumption while not in use, the LM4918 contains a shutdown pin to externally turn off the amplifier’s bias circuitry. This shutdown feature turns the amplifier off when a logic high (0.8 ...
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Application Information negative peak circuit is described by jumpers in place on S2 and S4, while removed from S1 and S3. Operating in the negative manner places the Vpk_Bfr directly to VagcRef, and makes Vpk_in the effective AGC gain reference ...
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Application Information LM4918 LLP BOARD ARTWORK Top Overlay Top Layer www.national.com (Continued) 200913I6 200913I5 16 Top Solder 200913I7 Bottom Layer 200913I4 ...
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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. ...