MAX9750BETI+ Maxim Integrated Products, MAX9750BETI+ Datasheet
MAX9750BETI+
Specifications of MAX9750BETI+
Related parts for MAX9750BETI+
MAX9750BETI+ Summary of contents
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... Simplified Block Diagrams VOL BEEP MAX9750 Simplified Block Diagrams continued at end of data sheet. ________________________________________________________________ Maxim Integrated Products 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. ♦ No DC-Blocking Capacitors Required—Provides ® Industry’s Most Compact Notebook Audio Solution ♦ ...
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Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers ABSOLUTE MAXIMUM RATINGS Supply Voltage ( HPV , CPV GND to PGND.....................................................................±0.3V CPV , C1N GND .........................-6.0V to (GND + 0.3V ...
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Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers ELECTRICAL CHARACTERISTICS (continued CPV = HPV = 5V terminated between OUT_+ and OUT_-, headphone load terminated between HPOUT_ and GND ...
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Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers ELECTRICAL CHARACTERISTICS (continued CPV = HPV = 5V terminated between OUT_+ and OUT_-, headphone load terminated between HPOUT_ and GND ...
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Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers ELECTRICAL CHARACTERISTICS (continued CPV = HPV = 5V terminated between OUT_+ and OUT_-, headphone load terminated between HPOUT_ and GND ...
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Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers (Measurement BW = 22Hz to 22kHz TOTAL HARMONIC DISTORTION PLUS NOISE vs. FREQUENCY (SPEAKER MODE 3Ω 10.5dB V 1 ...
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Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers (Measurement BW = 22Hz to 22kHz OUTPUT POWER vs. LOAD RESISTANCE (SPEAKER MODE) 3.5 3.0 THD+N = 10% 2.5 2.0 THD 1.5 1.0 0 ...
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Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers (Measurement BW = 22Hz to 22kHz TURN-OFF RESPONSE (SPEAKER MODE) SHDN OUT_+ AND OUT_- OUT_+ - OUT_ 8Ω L 20ms/div TOTAL HARMONIC DISTORTION PLUS NOISE vs. FREQUENCY ...
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Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers (Measurement BW = 22Hz to 22kHz TOTAL HARMONIC DISTORTION PLUS NOISE vs. OUTPUT POWER (HEADPHONE MODE) 1000 32Ω L 100 A = 3dB ...
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Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers (Measurement BW = 22Hz to 22kHz HEADPHONE OUTPUT SPECTRUM 0 -20 -40 -60 -80 -100 -120 -140 FREQUENCY (Hz) TURN-OFF RESPONSE (HEADPHONE MODE) SHDN HPOUT_ R ...
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Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers PIN MAX9750 MAX9751 MAX9755 1 — — — ...
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Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers MAX9750 ONLY IN_ BIAS BIAS VOLUME VOL CONTROL BIAS GND Figure 1. MAX9750/MAX9751 Signal Path Detailed Description The MAX9750/MAX9751/MAX9755 combine a 2.6W BTL speaker amplifier and a 110mW DirectDrive headphone amplifier ...
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Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers significant amount of DC current flows to the headphone, resulting in unnecessary power dissipation and possible damage to both headphone and headphone amplifier. Maxim’s DirectDrive architecture uses a charge pump to ...
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Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers ADDITIONAL THD+N DUE TO DC-BLOCKING CAPACITORS 10 1 0.1 TANTALUM 0.01 0.001 ALUM/ELEC 0.0001 10 100 1k FREQUENCY (Hz) Figure 4. Distortion Contributed by DC-Blocking Capacitors parasitic bond wire and trace ...
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Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers Table 1. MAX9750 Maximum Gain Settings SPEAKER MODE GAIN (dB) GAIN2 GAIN1 MAX9750A 10 13.5 Table 2. MAX9751/MAX9755 Gain Settings SPEAKER ...
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Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers Table 3A. MAX9750A Volume Levels V (V) VOL GAIN1 = HPV * MIN MAX DD GAIN2 = 0 0 0.49 0.074 0.49 0.5673 0.160 0.5673 0.6447 ...
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Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers Table 3B. MAX9750B Volume Levels V (V) VOL HPV * MIN MAX DD 0 0.49 0.074 0.49 0.5673 0.160 0.5673 0.6447 0.183 0.6447 0.722 0.207 0.722 0.7994 ...
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Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers Table 3C. MAX9750C Volume Levels V (V) VOL HPV * MIN MAX DD 0 0.49 0.074 0.49 0.5673 0.160 0.5673 0.6447 0.183 0.6447 0.722 0.207 0.722 0.7994 ...
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Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers MAX9750A VOLUME CONTROL TRANSFER FUNCTION 20 GAIN1 = GAIN2 = SPEAKER MODE -10 -20 -30 -40 -50 HEADPHONE MODE -60 -70 -80 0 0.5 1.0 1.5 2.0 2.5 ...
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Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers +1 -1 Figure 9. Bridge-Tied Load Configuration Applications Information BTL Speaker Amplifiers The MAX9750/MAX9751/MAX9755 feature speaker amplifiers designed to drive a load differentially, a con- figuration referred to as bridge-tied load ...
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Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers Table 4. Suggested Capacitor Manufacturers SUPPLIER PHONE Taiyo Yuden 800-348-2496 TDK 807-803-6100 Thermal-overload protection limits total power dissipa- tion in these devices. When the junction temperature exceeds +160°C, the thermal-protection circuitry ...
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Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers reduces both ripple and output resistance. Lower capacitance values can be used in systems with low maximum output power levels. See the Output Power vs. Charge-Pump Capacitance and Load Resistance graph ...
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Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers MUX MAX9751 ______________________________________________________________________________________ Simplified Block Diagrams (continued) MAX9755 23 ...
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Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers C IN 1μF INL LEFT-CHANNEL AUDIO INPUT C IN 1μF INR RIGHT-CHANNEL AUDIO INPUT BIAS C BIAS 1μF VOL GAIN1 V DD GAIN2 1μF 47kΩ BEEP SHDN ...
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Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers 0.1μF MAX9751 1μF INL1 LEFT CHANNEL AUDIO INPUT C INPUT IN 1μF INL2 2 MUX LEFT CHANNEL AUDIO INPUT C IN 1μF 27 INR1 RIGHT CHANNEL AUDIO INPUT ...
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Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers C IN 1μF INL LEFT CHANNEL AUDIO INPUT C IN 1μF INR RIGHT CHANNEL AUDIO INPUT BIAS C BIAS 1μF GAIN V DD SHDN V DD CPV 5.5V ...
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Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers 1μF AUX_IN OUT CODEC 2kΩ MAX4060 BIAS 2kΩ μC 1μF IN+ 1μF IN 5.5V 1μF ______________________________________________________________________________________ System Diagrams 4. 5.5V 0.1μ HPV DD ...
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Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers 1μF AUX_IN 2kΩ MAX4060 BIAS 2kΩ 1μF IN+ 1μF IN- 28 ______________________________________________________________________________________ System Diagrams (continued) 4.5V TO 5.5V 0.1μ 1μF INL1 CODEC INL2 MAX9751 1μF INR1 OUT INR2 ...
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Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers TOP VIEW SHDN 22 GAIN2 23 GAIN1 GND 26 INR 27 VOL THIN QFN Package Information For the latest package ...
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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. 30 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2008 Maxim Integrated Products DESCRIPTION is a registered trademark of Maxim Integrated Products, Inc ...