LM4673TM National Semiconductor, LM4673TM Datasheet
LM4673TM
Specifications of LM4673TM
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LM4673TM Summary of contents
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... Output short circuit and thermal overload protection prevent the device from damage during fault con- ditions. Boomer® registered trademark of National Semiconductor Corporation. © 2007 National Semiconductor Corporation Key Specifications ■ ...
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Typical Application FIGURE 1. Typical Audio Amplifier Application Circuit www.national.com 201522j3 2 ...
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... Contact NSC Sales Office for Availability micro SMD Marking T— Die Traceability G — Boomer Family 20152236 20152201 TT — Die Traceability L4673 — LM4673SD 3 20152257 Top View X — Date Code G4 — LM4673TM LLP Marking 20152202 Top View Z — Plant Code XY — Date Code www.national.com ...
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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 1) Storage Temperature Voltage at Any Input Pin V DD Power Dissipation (Note 3) ESD Susceptibility, all other pins (Note 4) ESD Susceptibility (Note 5) ...
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Symbol Parameter P Output Power O THD+N Total Harmonic Distortion + Noise Power Supply Rejection Ratio PSRR (Input Referred) SNR Signal to Noise Ratio Output Noise ε (Input Referred) OUT Common Mode Rejection Ratio CMRR (Input Referred) T Wake-up Time ...
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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 Output Power = 8Ω 1kHz THD + N vs Frequency V = 2.5V 100mW OUT THD + N vs Output Power 20152240 = 8Ω V ...
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THD + N vs Frequency 200mW OUT THD + N vs Frequency V = 3.6V 100mW OUT Efficiency vs. Output Power = 4Ω 1kHz R L www.national.com ...
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Power Dissipation vs. Output Power = 4Ω 1kHz R L Output Power vs. Supply Voltage = 4Ω 1kHz R L PSRR vs. Frequency = 8Ω 3. 200mV , R DD RIPPLE P-P ...
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Supply Current vs. Supply Voltage No Load www.national.com 20152256 10 ...
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Application Information GENERAL AMPLIFIER FUNCTION The LM4673 features a filterless modulation scheme. The differential outputs of the device switch at 300kHz from V to GND. When there is no input signal applied, the two outputs (V 1 and V 2) ...
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Equa- tion (1) below GND) / 300kΩ SD With only a 0.5V difference, an additional 1.7µA of current will be drawn while in the shutdown state. PROPER SELECTION ...
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FIGURE 2. Differential Input Configuration FIGURE 3. Differential Input Configuration with Input Capacitors 13 20152222 20152223 www.national.com ...
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FIGURE 4. Dual Differential Input Configuration FIGURE 5. Single-Ended Input Configuration 14 20152224 20152225 ...
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FIGURE 6. Dual Single-Ended Input Configuration FIGURE 7. Dual Input with a Single-Ended Input and a Differential Input 15 20152226 20152227 www.national.com ...
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REFERENCE DESIGN BOARD SCHEMATIC In addition to the minimal parts required for the application circuit, a measurement filter is provided on the evaluation cir- cuit board so that conventional audio measurements can be conveniently made without additional equipment. This is ...
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LM4673SD Demo Board Artwork Top Silkscreen Composite View Internal Layer 2 20152235 Internal Layer 1 20152231 Bottom Silkscreen 20152233 17 Top Layer 20152234 20152232 20152230 www.national.com ...
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Bottom Layer www.national.com 20152229 18 ...
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... LM4673TM Demo Board Artwork Top Silkscreen Composite View Internal Layer 2 20152264 Internal Layer 1 20152260 Bottom Silkscreen 20152262 19 Top Layer 20152263 20152261 20152259 www.national.com ...
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Bottom Layer www.national.com 20152258 20 ...
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Revision History Rev 1.0 1.1 1.2 1.3 Date 12/16/05 Initial WEB released. 02/28/06 Taken out “Future Product”, then re-WEBd 04/06/06 Added the TM and SD demo boards, then released to the WEB (per Royce). 11/01/07 Deleted a sentence under the ...
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... Physical Dimensions www.national.com inches (millimeters) unless otherwise noted 9 Bump micro SMD Order Number LM4673TM NS Package Number TMD09GGA X1 = 1.405 X2 = 1.405 X3 = 0.600 LLP Order Number LM4673SD NS Package Number SDA08A 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 Conditioners www.national.com/timing Data Converters www.national.com/adc Displays www.national.com/displays Ethernet www.national.com/ethernet Interface www.national.com/interface LVDS www.national.com/lvds Power Management www.national.com/power Switching Regulators www.national.com/switchers LDOs www ...