PAM8901中文资料audio数据手册Diodes规格书

描述 Description

The PAM8901 stereo headphone driver is designed for portable equipment where board space is at a premium. The PAM8901 uses a unique, patent pending architecture to produce a ground-referenced output from a single supply, eliminating the need for large DC-blocking capacitors, saving cost, board space, and component height. The PAM8901 delivers up to 25mW per channel into a 16Ω load and has low 0.03% THD+N. A high power-supply rejection ratio (80dB at 1kHz) allows this device to operate from noisy digital supplies without an additional linear regulator. The PAM8901 operates from a single supply from 2.5V t o 5.5V, has short-circuit and over temperature protection. Shutdown mode reduces supply current to less than 1μA.

特性 Features

Patent Pending 3 phase power line shift
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\t\tcharge pump Eliminates Need for DC-Blocking Capacitors
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\t\tTrueCapFree Architecture, Output Biased at 0V (System Ground)
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\t\tExcellent Low Frequency Fidelity
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\t\t80dB PSRR at 1kHz
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\t\tLess than 1uA Shutdown current
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\t\tSupport both Fully differential and Single-Ended Inputs
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\t\tShort Circuit and Over Temperature Protection
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\t\tSelectable Gain settings:-6dB,0dB,3dB and 6dB
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\t\tAvailable in Space Saving Packages: TQFN3x3-16L

应用 Application

Smart Phones/Cellular Phones
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\t\tNotebook Computers
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\t\tPortable DVD Player
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\t\tPersonal Digital Assistants (PDAs )
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\t\tElectronic Dictionaries
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\t\tDigital Still Cameras
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\t\tPortable Gaming