LM48100QMH/NOPB National Semiconductor, LM48100QMH/NOPB Datasheet
LM48100QMH/NOPB
Specifications of LM48100QMH/NOPB
Related parts for LM48100QMH/NOPB
LM48100QMH/NOPB Summary of contents
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... Superior click and pop suppression elim- inates audible transients on power-up/down and during shutdown. The LM48100Q is available in an 14-pin TSSOP package Boomer® registered trademark of National Semiconductor Corporation. © 2008 National Semiconductor Corporation Key Specifications ■ Output Power 8Ω ...
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Typical Application www.national.com FIGURE 1. Typical Audio Amplifier Application Circuit 2 30075833 ...
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Connection Diagrams TSSOP Package Top View Order Number LM48100QMH See NS Package Number MXA14A Ordering Information Order Number Package 14–Lead TSSOP LM48100QMHE Exposed Pad 14–Lead TSSOP LM48100QMH Exposed Pad 14–Lead TSSOP LM48100QMHX Exposed Pad NS – Standard National logo Z ...
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Bump Descriptions Pin — www.national.com Pin Name Open-Drain output fault flag. FAULT = 0 indicates that FAULT a fault condition has occurred. SCL ...
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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, continuous (Note 1) Storage Temperature Input Voltage Power Dissipation (Note 3) ESD Rating (Note 4) ESD Rating (Note 5) Junction Temperature Thermal Resistance ...
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Symbol Parameter Output to Supply Short R FAULT Circuit Detection Threshold Output to Supply Short R FAULT Circuit Detection Threshold Open Circuit Detection R OPEN Threshold Output to Output Short R SHT Circuit Detection Threshold I Short Circuit Current Limit ...
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Symbol Parameter Power Supply Rejection PSRR Ratio SNR Signal-to-Noise-Ratio ∈ Output Noise OS I FAULT Output Current OUT(FAULT) Output to Supply Short R FAULT Circuit Detection Threshold Output to Supply Short R FAULT Circuit Detection Threshold Open Circuit Detection R ...
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Symbol Parameter t SDA Data Hold Time 6 V Logic High Input Threshold IH V Logic Low Input Threshold IL www.national.com LM48100Q Conditions Typical (Note 7) 8 Units Limits (Limits) (Note 8) 250 ns (min) 0 ...
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Note 1: “Absolute Maximum Ratings” indicate limits beyond which damage to the device may occur, including inoperability and degradation of device reliability and/or performance. Functional operation of the device and/or non-degradation at the Absolute Maximum Ratings or other conditions beyond ...
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Typical Performance Characteristics THD+N vs Frequency V = 3.6V 600mW OUT THD+N vs Frequency V = 5.0V 1.2W OUT THD+N vs Output Power f = 1kHz www.national.com = 4Ω L ...
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Power Dissipation vs Output Power = 4Ω 1kHz 30075808 Output Power vs Supply Voltage = 4Ω 1kHz 30075810 PSRR vs Frequency = 8Ω 3.6V 200mV , R DD ...
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Application Information WRITE-ONLY COMPATIBLE INTERFACE The LM48100Q is controlled through an I interface that consists of a serial data line (SDA) and a serial clock (SCL). The clock line is uni-directional. The data line is bi-directional (open ...
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B7 B6 ADR = ADR = Register Register Name B7 Address 0 MODE CONTROL 0 DIAGNOSTIC 1 0 CONTROL FAULT 2 DETECTION 0 CONTROL VOLUME 3 0 CONTROL 1 VOLUME 4 1 CONTROL 2 ...
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DIAGNOSTIC CONTROL The LM48100Q output fault diagnostics are controlled through the interface. When power is initially applied to the device, the LM48100Q initializes, performing the full di- agnostic sequence; output short to V shorted together, and no ...
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GENERAL AMPLIFIER FUNCTION Bridge Configuration Explained The LM48100Q is designed to drive a load differentially, a configuration commonly referred bridge-tied load (BTL). The BTL configuration differs from the single-ended configuration, where one side of the load is ...
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VOLUME CONTROL Volume Step VOL4 ...
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SHUTDOWN FUNCTION The LM48100Q features selectable low power shut- down mode that disables the device, reducing quiescent cur- rent consumption to 0.01μA. Set bit B4 (POWER_ON) in the Mode Control Register disable the ...
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PCB Layout Guidelines Minimize trace impedance of the power, ground and all output traces for optimum performance. Voltage loss due to trace resistance between the LM48100Q and the load results in decreased output power and efficiency. Trace resistance be- tween ...
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Demo Board Schematic 19 www.national.com ...
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PC Board Layout FIGURE 6: Top Silkscreen FIGURE 8: Layer 2 FIGURE 10: Bottom Layer www.national.com 30075836 FIGURE 7: Top Layer FIGURE 9: Layer 3 30075838 30075840 FIGURE 11: Bottom Silkscreen 20 30075837 30075839 30075841 ...
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Revision History Rev Date 1.0 10/14/08 1.01 10/20/08 1.02 11/07/08 1.03 11/12/08 Description Initial release. Text edits. Added a column (Limits) in the Electrical tables. Text edits. 21 www.national.com ...
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Physical Dimensions www.national.com inches (millimeters) unless otherwise noted 14–Lead TSSOP Exposed Pad Order Number LM48100QMH NS Package Number MXA14A 22 ...
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Notes 23 www.national.com ...
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... For more National Semiconductor product information and proven design tools, visit the following Web sites at: Products Amplifiers www.national.com/amplifiers Audio www.national.com/audio Clock and Timing www.national.com/timing Data Converters www.national.com/adc Interface www.national.com/interface LVDS www.national.com/lvds Power Management www.national.com/power Switching Regulators www.national.com/switchers LDOs www.national.com/ldo LED Lighting www ...