lm4675tlx National Semiconductor Corporation, lm4675tlx Datasheet
lm4675tlx
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lm4675tlx Summary of contents
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... Output short circuit and thermal over- load protection prevent the device from damage during fault conditions. Boomer ® registered trademark of National Semiconductor Corporation. © 2006 National Semiconductor Corporation Key Specifications j Efficiency at 3.6V, 400mW into 8Ω speaker 89% (typ) j Efficiency at 3.6V, 100mW into 8Ω ...
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Typical Application FIGURE 1. Typical Audio Amplifier Application Circuit www.national.com 2 201827J3 ...
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Connection Diagrams 9 Bump micro SMD Package Top View Order Number LM4675TL See NS Package Number TLA09AAA Leadless Leadframe Package (LLP) Top View Order Number LM4675SD See NS Package Number SDA08A micro SMD Marking T — Die Traceability G — ...
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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 + 0.3V ≥ V ≥ GND - 0.3V Voltage at Any Input Pin ...
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Electrical Characteristics The following specifications apply for A apply for T = 25˚C. (Continued) A 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 ...
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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 f = 1kHz 8Ω L THD + N vs Frequency V = 2.5V 100mW OUT THD + N vs Frequency ...
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Typical Performance Characteristics THD + N vs Frequency V = 3.6V 100mW OUT Efficiency vs. Output Power R = 4Ω 1kHz L Power Dissipation vs. Output Power R = 4Ω 1kHz L ...
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Typical Performance Characteristics Output Power vs. Supply Voltage R = 4Ω 1kHz L PSRR vs. Frequency 200mV DD RIPPLE Supply Current vs. Supply Voltage No Load (Continued) Output Power vs. Supply Voltage 20182718 ...
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Typical Performance Characteristics Fixed Frequency FFT V = 3.6V DD www.national.com (Continued) Spread Spectrum FFT 20182734 3.6V DD 20182735 ...
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Application Information GENERAL AMPLIFIER FUNCTION The LM4675 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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Application Information shown as a typical value in the Electrical Characteristics Tables and in the Shutdown Hysteresis Voltage graphs found in the Typical Performance Characteristics section best to switch between ground and supply for minimum current usage while ...
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Application Information FIGURE 3. Differential Input Configuration with Input Capacitors (Continued) FIGURE 2. Differential Input Configuration 13 20182722 20182723 www.national.com ...
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Application Information www.national.com (Continued) FIGURE 4. Dual Differential Input Configuration FIGURE 5. Single-Ended Input Configuration 14 20182724 20182725 ...
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Application Information FIGURE 6. Dual Single-Ended Input Configuration FIGURE 7. Dual Input with a Single-Ended Input and a Differential Input (Continued) 15 20182726 20182727 www.national.com ...
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Application Information REFERENCE DESIGN BOARD SCHEMATIC In addition to the minimal parts required for the application circuit, a measurement filter is provided on the evaluation circuit board so that conventional audio measurements can be conveniently made without additional equipment. This ...
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Revision History Rev 1.0 1.1 1.2 Date 08/16/06 09/01/06 Added the uSMD (TL) package. 10/12/06 Text edit (X-axis label Emissions 17 Description Initial release. on page 1. www.national.com ...
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Physical Dimensions www.national.com inches (millimeters) unless otherwise noted 9 Bump micro SMD Order Number LM4675TL NS Package Number TLA09AAA X1 = 1.514 X2 = 1.514 X3 = 0.600 LLP Order Number LM4675SD NS Package Number SDA08A 18 ...
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National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications. For the most current product information ...