lm48310sd National Semiconductor Corporation, lm48310sd Datasheet
lm48310sd
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lm48310sd Summary of contents
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... Superior click and pop suppression eliminates audible transients on power-up/down and during shutdown. EMI Graph 20in of Speaker Cable Boomer® registered trademark of National Semiconductor Corporation. © 2008 National Semiconductor Corporation 2 S Key Specifications ■ ...
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Typical Application www.national.com FIGURE 1. Typical Audio Amplifier Application Circuit 2 30037459 ...
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... Inverting Output 8 GND Ground 9 PV H-Bridge Power Supply DD 10 OUTA Non-Inverting Output LLP Package 3mm x 3mm x 0.8mm Top View Order Number LM48310SD See NS Package Number SDA010 TABLE 1. Description for normal operation Spread spectrum mode with f = 300kHz ± 30 300kHz S = external clock frequency S ...
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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 Rating (Note 4) ESD Rating (Note 5) Electrical ...
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Symbol Parameter P Output Power O THD+N Total Harmonic Distortion + Noise Power Supply Rejection Ratio PSRR (Input Referred) CMRR Common Mode Rejection Ratio η Efficiency SNR Signal to Noise Ratio ε Output Noise OS Conditions = 4Ω, THD = ...
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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 = 2.5V 300mW OUT THD+N vs Frequency V = 5.0V 1.2W OUT THD+N vs Frequency V = 3.6V 400mW OUT = ...
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THD+N vs Output Power f = 1kHz Efficiency vs Output Power f = 1kHz Power Dissipation vs Output Power f = 1kHz www.national.com = 4Ω 30037464 = 4Ω 30037472 = 4Ω 30037474 8 THD+N ...
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Output Power vs Supply Voltage = 4Ω 1kHz 30037476 PSRR vs Frequency = 8Ω 3.6V 200mV , R DD RIPPLE P-P L 30037497 CMRR vs Frequency = 8Ω 3.6V, V ...
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Fixed Frequency Output Spectrum vs Frequency V = 5.0V Wideband Fixed Frequency Output Spectrum vs Frequency V = 5.0V Supply Current vs Supply Voltage No Load www.national.com Spread Spectrum Output Spectrum vs Frequency ...
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Application Information GENERAL AMPLIFIER FUNCTION The LM48310 mono Class D audio power amplifier features a filterless modulation scheme that reduces external compo- nent count, conserving board space and reducing system cost. With no signal applied, the outputs (V switch between ...
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FIGURE 2. Cascaded LM48310 12 30037460 ...
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FIGURE 3. THD+N vs Output Power 30037496 FIGURE 5. Crosstalk vs Frequency FIGURE 4. THD+N vs Frequency 13 30037438 www.national.com ...
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DIFFERENTIAL AMPLIFIER EXPLANATION As logic supplies continue to shrink, system designers are in- creasingly turning to differential analog signal handling to preserve signal to noise ratios with restricted voltage signs. The LM48310 features a fully differential speaker amplifier. A differential ...
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... X7R Ceramic C2 Capacitor (603) Panasonic ECJ-1VB1C105K 1μF ±10% 16V X7R Ceramic C4 Capacitor (1206) Panasonic ECJ-3YB1C105K C6 1 Not Installed Ceramic Capacitor (603) 0Ω ±1% resistor (603 JP1 — JP2 2 3 Pin Headers LM48310SDL 1 LM48310SD (10-pin LLP) 15 Description www.national.com ...
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LM48310 Demo Board Schematic www.national.com FIGURE 8. LM48310 DEMO BOARD SCHEMATIC 16 30037489 ...
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Demo Boards FIGURE 9. Top Silkscreen FIGURE 11. Layer 2 (GND) FIGURE 13. Bottom Layer 30037490 FIGURE 10. Top Layer 30037492 FIGURE 12. Layer 3 (V 30037494 FIGURE 14. Bottom Silkscreen 17 30037491 30037493 ) DD 30037495 www.national.com ...
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Revision History Rev 1.0 1.01 1.02 www.national.com Date 11/13/07 Initial release. 02/26/08 Fixed few typos (Pin Description table). 03/04/08 Text edits under SHUTDOWN FUNCTION (Application Information section). 18 Description ...
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... Physical Dimensions inches (millimeters) unless otherwise noted LLP Order Number LM48310SD NS Package Number SDA08A 19 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. ...