MAX98500EWE+T Maxim Integrated Products, MAX98500EWE+T Datasheet
MAX98500EWE+T
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MAX98500EWE+T Summary of contents
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... SDBST D4 SDSPK C3 GAIN B2 RKNEE B3 INP D2 INN _______________________________________________________________ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. Boosted 2.2W Class D Amplifier with Automatic Level Control S Boosted Class D Output S Integrated Automatic Level Control S Output Power 2 ...
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Boosted 2.2W Class D Amplifier with Automatic Level Control ABSOLUTE MAXIMUM RATINGS V to AGND .........................................................-0.3V to +6V BAT V to BSTPGND, AGND .................................-0.3V to +6V CCOUT PVDD to SPKPGND .................................................-0.3V to +6V BSTPGND, SPKPGND to AGND ......................... -0.3V to ...
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ELECTRICAL CHARACTERISTICS (continued 3.6V between SPKP and SPKN, A BAT unless otherwise noted. Typical values are at T MAX PARAMETER SYMBOL SPEAKER AMPLIFIER Output Offset Voltage Click-and-Pop Level Output Power (Note 5) ...
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Boosted 2.2W Class D Amplifier with Automatic Level Control ELECTRICAL CHARACTERISTICS (continued 3.6V between SPKP and SPKN, A BAT unless otherwise noted. Typical values are at T MAX PARAMETER SYMBOL Knee Resistor ...
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R = ∞ between SPKP and SPKN, A BAT L otherwise noted.) BATTERY CURRENT vs. BATTERY VOLTAGE 5.0 INPUTS AC-COUPLED TO AGND 4.5 SDSPK = SDBST = V 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 ...
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Boosted 2.2W Class D Amplifier with Automatic Level Control (V = 3.6V ∞ between SPKP and SPKN, A BAT L otherwise noted.) THD+N vs. FREQUENCY 68µH LOAD 1.4W OUT 0.1 ...
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R = ∞ between SPKP and SPKN, A BAT L otherwise noted.) SPEAKER POWER-SUPPLY REJECTION RATIO vs. FREQUENCY PVDD = 200mV RIPPLE P-P INPUTS AC-COUPLED AGND -20 -40 -60 -80 -100 0.01 0.1 1 ...
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Boosted 2.2W Class D Amplifier with Automatic Level Control (V = 3.6V ∞ between SPKP and SPKN, A BAT L otherwise noted.) EFFICIENCY vs. OUTPUT CURRENT 100 V = 4.2V 98 BAT ...
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Boosted 2.2W Class D Amplifier TOP VIEW (BUMP SIDE DOWN) BUMP NAME A1 PVDD Speaker Amplifier Power Supply. Bypass to SPKPGND with a 0.1mF capacitor. Boost Converter Output. Connect a 22mF (0805) capacitor between CCOUT BSTPGND. A3 ...
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Boosted 2.2W Class D Amplifier with Automatic Level Control Detailed Description The MAX98500 is a high-efficiency Class D audio ampli- fier that features an integrated boost converter to deliver a constant output power over a large range of battery supply ...
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Table 2. Shutdown Configurations BOOST SDBST SDSPK STATUS Low Low Off Low High Off High Low On High High On The MAX98500 features two active-low shutdown inputs (SDSPK and SDBST). Table 2 shows the different shut- down configurations. Click-and-Pop Suppression ...
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Boosted 2.2W Class D Amplifier with Automatic Level Control Route audio signals on the middle layers of the PCB to allow the ground planes above and below to shield them from RF interference. Ideally the top and bottom layers of ...
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Supply Bypassing, Layout, and Grounding Proper layout and grounding are essential for optimum performance. Use a large continuous ground plane on a dedicated layer of the PCB to minimize loop areas. Connect AGND and BSTPGND/SPKPGND directly to the ground plane ...
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Boosted 2.2W Class D Amplifier with Automatic Level Control For the latest package outline information and land patterns www.maxim-ic.com/packages. Note that a “+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings may show ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 2010 Maxim Integrated Products © ...