max9706etxt Maxim Integrated Products, Inc., max9706etxt Datasheet
max9706etxt
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max9706etxt Summary of contents
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Rev 0; 12/05 3-Channel, 2.3W, Filterless Class D Amplifiers General Description The MAX9706/MAX9707 combine three high-efficiency Class D amplifiers with an active crossover to provide stereo highpass outputs, and a mono lowpass output. All three channels deliver up to ...
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Filterless Class D Amplifiers with Active Crossover ABSOLUTE MAXIMUM RATINGS HPV , CPV to GND ........................-0. GND to PGND, CPGND.........................................-0.3V to +0.3V CPV , V to GND..................................................-6V to ...
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Filterless Class D Amplifiers ELECTRICAL CHARACTERISTICS (continued) = 5V, GND = PGND = CPGND = 0V, SHDN = HPV GND, FS0 = FS1 = GND (800Hz), MGAIN = float (-6dB), ...
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Filterless Class D Amplifiers with Active Crossover ELECTRICAL CHARACTERISTICS (continued) = 5V, GND = PGND = CPGND = 0V, SHDN = HPV GND, FS0 = FS1 = GND (800Hz), MGAIN ...
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Filterless Class D Amplifiers ELECTRICAL CHARACTERISTICS (continued) = 5V, GND = PGND = CPGND = 0V, SHDN = HPV GND, FS0 = FS1 = GND (800Hz), MGAIN = float (-6dB), ...
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Filterless Class D Amplifiers with Active Crossover = 5V, GND = PGND = CPGND = 0V, SHDN = HPV MGAIN = float (-6dB), SYNC_IN = V (SSM), speaker load R ...
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Filterless Class D Amplifiers Typical Operating Characteristics—Speaker Mode (continued) = 5V, GND = PGND = CPGND = 0V, SHDN = HPV MGAIN = float (-6dB), SYNC_IN = V (SSM), speaker ...
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Filterless Class D Amplifiers with Active Crossover Typical Operating Characteristics—Speaker Mode (continued) = 5V, GND = PGND = CPGND = 0V, SHDN = HPV MGAIN = float (-6dB), SYNC_IN = ...
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Filterless Class D Amplifiers Typical Operating Characteristics—Headphone Mode = 5V, GND = PGND = CPGND = 0V, SHDN = HPV MGAIN = float (-6dB), SYNC_IN = V (SSM), speaker load ...
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Filterless Class D Amplifiers with Active Crossover Typical Operating Characteristics—Headphone Mode (continued) = 5V, GND = PGND = CPGND = 0V, SHDN = HPV MGAIN = float (-6dB), SYNC_IN = ...
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Filterless Class D Amplifiers Typical Operating Characteristics—Headphone Mode (continued) = 5V, GND = PGND = CPGND = 0V, SHDN = HPV MGAIN = float (-6dB), SYNC_IN = V (SSM), speaker ...
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Filterless Class D Amplifiers with Active Crossover PIN NAME MAX9706 MAX9707 1 1 BIAS Internal Bias. Bypass BIAS to GND with a 1µF capacitor GND Ground. Star connect to PGND (see the Supply Bypassing, Layout, and ...
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Filterless Class D Amplifiers PIN NAME MAX9706 MAX9707 Right-Channel Audio Input. Connect the right-channel audio signal to INR with a series 27 27 INR capacitor. INR has a 25kΩ typical input impedance. Mono Gain Control. Connect MGAIN to ...
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Filterless Class D Amplifiers with Active Crossover Class D Speaker Amplifier Spread-spectrum modulation and synchronizable switch- ing frequency significantly reduce EMI emissions. Comparators monitor the audio inputs and compare the complementary input voltages to a sawtooth waveform. The ...
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Filterless Class D Amplifiers Spread-Spectrum (SSM) Mode The MAX9706/MAX9707 feature a unique, patented spread-spectrum mode that flattens the wideband spectral components, improving EMI emissions that can be radiated by the speaker and cables. Enable SSM mode by setting ...
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Filterless Class D Amplifiers with Active Crossover External Clock Mode The SYNC_IN input allows the MAX9706/MAX9707 to be synchronized to an external clock, or another Maxim Class D amplifier. This creates a fully synchronous sys- tem, minimizing clock ...
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Filterless Class D Amplifiers Table 3. Mono Speaker Gain MONO SPEAKER GAIN MGAIN GND FLOATING V DD Table 4. Crossover Frequency Selection FS0 FS1 FREQUENCY ( The left and right ...
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Filterless Class D Amplifiers with Active Crossover (220µF, typical) tantalum-blocking capacitors, the MAX9706 charge pump requires two small ceramic capacitors, conserving board space, reducing cost, and improving the frequency response of the head- phone amplifier. See the Output ...
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Filterless Class D Amplifiers Headphone Sense Input (HPS) The headphone sense input (HPS) monitors the head- phone jack, and automatically configures the MAX9706 based upon the voltage applied at HPS. A voltage of less than 0.8V sets the ...
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Filterless Class D Amplifiers with Active Crossover The MAX9706/MAX9707 have different supplies for each portion of the devices, allowing for the optimum combination of headroom power dissipation and noise immunity. The speaker amplifiers are powered from PV . ...
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Filterless Class D Amplifiers Table 5. Suggested Capacitor Manufacturers SUPPLIER Taiyo Yuden TDK Charge-Pump Capacitor Selection (MAX9706) Use capacitors with an ESR less than 100mΩ for opti- mum performance. Low-ESR ceramic capacitors mini- mize the output resistance of ...
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Filterless Class D Amplifiers with Active Crossover C BIAS 1µ 0.47µ 0.47µF C1 1µF 0.1µF 1µF *BULK CAPACITANCE IF NEEDED TYPICAL OPERATING CIRCUIT SHOWN DEPICTS THE MAX9706 WITH: SSM MODE WITH f ...
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Filterless Class D Amplifiers Functional Diagram/Typical Operating Circuits (continued SYNC_IN C IN 0.47µF MGAIN C IN 0.47µF GAIN1 GAIN2 *BULK CAPACITANCE IF NEEDED TYPICAL OPERATING CIRCUIT SHOWN DEPICTS THE MAX9707 WITH: SSM MODE WITH f = ...
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Filterless Class D Amplifiers with Active Crossover TOP VIEW MGAIN 28 GAIN2 29 GAIN1 30 PGND 31 OUTM- 32 MAX9706 OUTM MONO_OUT 35 INL 36 ...
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... PACKAGE OUTLINE 36, 40, 48L THIN QFN, 6x6x0.8mm PACKAGE OUTLINE 36, 40, 48L THIN QFN, 6x6x0.8mm Printed USA is a registered trademark of Maxim Integrated Products, Inc. Package Information D2 21-0141 21-0141 ...