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MAX9760 Fiches technique(PDF) 1 Page - Maxim Integrated Products |
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MAX9760 Fiches technique(HTML) 1 Page - Maxim Integrated Products |
1 / 31 page General Description The MAX9760–MAX9763 family combines a stereo or mono 3W bridge-tied load (BTL) audio power amplifier, stereo single-ended headphone amplifier, headphone sensing, and a 2:1 input multiplexer all in a tiny 28-pin thin QFN package. These devices operate from a sin- gle 4.5V to 5.5V supply and feature an industry-leading 100dB PSRR, allowing these devices to operate from noisy supplies without the addition of a linear regulator. An ultra-low 0.002% THD+N ensures clean, low-distor- tion amplification of the audio signal. Patented click- and-pop suppression eliminates audible transients on power and shutdown cycles. Power-saving features include low 4mV VOS (minimizes DC current drain through the speakers), low 13mA supply current, and a 10µA shutdown mode. A MUTE function allows the out- puts to be quickly enabled or disabled. A headphone sense input detects the presence of a headphone jack and automatically configures the amplifiers for either speaker or headphone mode. In speaker mode, the amplifiers can deliver up to 3W of continuous average power into a 3 Ω load. In head- phone mode, the amplifier can deliver up to 200mW of continuous average power into a 16 Ω load. The gain of the amplifiers is externally set, allowing maximum flexi- bility in optimizing output levels for a given load. The amplifiers also feature a 2:1 input multiplexer, allowing multiple audio sources to be selected. The multiplexer can also be used to compensate for limitations in the frequency response of the loud speakers by selecting an external equalizer network. The various functions are controlled by either an I2C-compatible or simple parallel control interface. The MAX9760–MAX9763 are available in either a ther- mally efficient 28-pin thin QFN package (5mm ✕ 5mm ✕ 0.8mm) or a TSSOP-EP package. All devices have ther- mal overload protection (OVP) and are specified over the extended -40°C to +85°C temperature range. Applications Notebooks Portable DVD Players Tablet PCs PC Audio Peripherals Camcorders Features o Industry-Leading, Ultra-High 100dB PSRR o PC99/01 Compliant o 3W BTL Stereo Speaker Amplifier o 200mW Stereo Headphone Amplifier o Low 0.002% THD+N o Patented Click-and-Pop Suppression o ESD-Protected Outputs o Low Quiescent Current: 13mA o Low-Power Shutdown Mode: 10µA o MUTE Function o Headphone Sense Input o Stereo 2:1 Input Multiplexer o Optional 2-Wire, I2C-Compatible or Parallel Interface o Tiny 28-Pin Thin QFN (5mm ✕ 5mm ✕ 0.8mm) and TSSOP-EP Packages Stereo 3W Audio Power Amplifiers with Headphone Drive and Input Mux ________________________________________________________________ Maxim Integrated Products 1 SE/ BTL SINGLE SUPPLY 4.5V TO 5.5V I2C- COMPATIBLE MAX9760 LEFT IN1 LEFT IN2 RIGHT IN1 RIGHT IN2 CONTROL Simplified Block Diagram Ordering Information 19-2744; Rev 0; 1/03 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. PART TEMP RANGE PIN-PACKAGE MAX9760ETI -40°C to +85°C 28 Thin QFN-EP* MAX9760EUI -40°C to +85°C 28 TSSOP-EP* Pin Configurations and Functional Diagrams appear at end of data sheet. Ordering Information continued at end of data sheet. *EP = Exposed paddle. |
Numéro de pièce similaire - MAX9760 |
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Description similaire - MAX9760 |
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