max9715etet Maxim Integrated Products, Inc., max9715etet Datasheet
max9715etet
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max9715etet Summary of contents
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Rev 1; 8/05 General Description The MAX9715 high-efficiency, stereo, Class D audio power amplifier provides up to 2.8W per channel into a 4Ω speaker with a 5V supply. Maxim’s second-generation Class D technology features robust output protection, high efficiency, ...
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Low-EMI, Stereo, Filterless Class D Audio Amplifier ABSOLUTE MAXIMUM RATINGS GND ...............................................................+ GND to PGND .......................................................-0.3V to +0.3V Any Other Pin to PGND ............................. -0. Duration of OUT__ Short Circuit ...
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Low-EMI, Stereo, Filterless Class D ELECTRICAL CHARACTERISTICS (continued 5.0V, GND = PGND = 0V OUT_+ and OUT_-, GAIN = +10.5dB PARAMETER SYMBOL Spread-Spectrum Modulation Crosstalk Click-and-Pop Level Efficiency DIGITAL INPUTS ...
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Low-EMI, Stereo, Filterless Class D Audio Amplifier (V = 5.0V 0.1µ VDD BIAS Typical Operating Circuit/Functional Diagram) TOTAL HARMONIC DISTORTION PLUS NOISE vs. OUTPUT POWER 100 f = 1kHz ...
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Low-EMI, Stereo, Filterless Class 5.0V 0.1µ VDD BIAS Typical Operating Circuit/Functional Diagram) POWER-SUPPLY REJECTION RATIO vs. FREQUENCY 8Ω L -10 -20 -30 -40 -50 -60 -70 -80 ...
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Low-EMI, Stereo, Filterless Class D Audio Amplifier (V = 5.0V 0.1µ VDD BIAS Typical Operating Circuit/Functional Diagram) SHUTDOWN CURRENT vs. SUPPLY VOLTAGE 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0 4.5 4.8 ...
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Low-EMI, Stereo, Filterless Class Figure 1. MAX9715 Radiated Emissions with 75mm of Speaker Cable Detailed Description The MAX9715 2.8W, Class D speaker amplifier with gain control offers Class AB ...
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Low-EMI, Stereo, Filterless Class D Audio Amplifier Efficiency of a Class D amplifier is attributed to the region of operation of the output-stage transistors Class D amplifier, the output transistors act as current-steering switches and consume negligible ...
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Low-EMI, Stereo, Filterless Class D Voice coil movement due to the square-wave frequency is very small because the switching frequency of the MAX9715 is well beyond the bandwidth of most speak- ers. Although this movement is small, a speaker ...
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Low-EMI, Stereo, Filterless Class D Audio Amplifier Supply Bypassing, Layout, Proper layout and grounding are essential for optimum performance. Use large traces for the power-supply inputs and amplifier outputs to minimize losses due to parasitic trace resistance. Large traces ...
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Low-EMI, Stereo, Filterless Class D LEFT IN RIGHT 1µF 15kΩ 1µF 15kΩ C3 22nF ______________________________________________________________________________________ Audio Amplifier Typical Application Circuit 5V 22µF C1 15nF 8Ω MAX9715 22µF C2 15nF 8Ω R3 7.5kΩ C4 2.2nF ...
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Low-EMI, Stereo, Filterless Class D Audio Amplifier 1µF INL LEFT AUDIO GAIN-SELECT GAIN LOGIC 1µF RIGHT INR AUDIO V BIAS BIAS 1µF * BULK PC BOARD DECOUPLING, TYPICALLY GREATER THAN 10µF. Pin Configurations (continued) TOP VIEW GND 1 INR ...
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Low-EMI, Stereo, Filterless Class D (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) MARKING XXXXX PIN # 1 I.D. C -DRAWING NOT TO SCALE- ...
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... Maxim reserves the right to change the circuitry and specifications without notice at any time. 14 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2005 Maxim Integrated Products Package Information (continued) Printed USA is a registered trademark of Maxim Integrated Products, Inc. PACKAGE OUTLINE, TSSOP 4.40mm BODY 1 21-0066 G 1 ...