lm4673tmx National Semiconductor Corporation, lm4673tmx Datasheet
lm4673tmx
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lm4673tmx 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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Connection Diagrams 9 Bump micro SMD Package Top View Order Number LM4673TM See NS Package Number TMD09GGA Leadless Leadframe Package (LLP) Top View Order Number LM4673SD See NS Package Number SDA08A Contact NSC Sales Office for Availability micro SMD Marking ...
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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, ...
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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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... National Semiconductor and the National Semiconductor logo are registered trademarks of National Semiconductor Corporation. All other brand or product names may be trademarks or registered trademarks of their respective holders. ...