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Tags: Stereo Amplifier, Audio Amplifier, Class D Amplifier, Amplifier, D Amplifier
Description:The MAX98306 stereo 3.7W Class D amplifier provides Class AB audio performance with Class D efficiency.This device offers five selectable gain settings (6dB, 9dB, 12dB, 15dB, and 18dB) set by a single gain-select input (GAIN). Active emissions limiting, edge-rate, and overshoot control circuitry combined with a filterless spread-spectrum modulation scheme (SSM) provide excellent EMI performance while eliminating the need for output filtering found in traditional Class D devices.These features reduce the application component count.The IC's 2.0mA quiescent current with a 3.7V supply extends battery life in portable applications.The IC is available in a 14-pin TDFN (3mm x 3mm x 0.75mm) package specified over the extended -40NC to +85NC temperature range.The filterless Class D amplifier output stage offers much higher efficiency than Class AB amplifiers. The high efficiency of a Class D amplifier is due to the pulse-width modulated (PWM) rail-to-rail switching operation of the output stage transistors.This ensures that any power loss associated with the Class D output stage is mostly due to the I2R loss of the MOSFET on-resistance and quiescent current overhead.
Features:Chip: MAX98306Amplifier Type: StereoClass Type: DInput Voltage: 2.6V ~ 5.5VOutput Power: 3.7W (at 30Ω), 3W (at 40Ω), 1.7W (at 80Ω)Gain: 6dB (Default), 9dB, 12dB, 15dB, and 18dBInput Impedance: 33KΩ (at 18dB), 46KΩ (15dB), 65KΩ (12dB), 93KΩ (9dB), 131KΩ (6dB)Operating Temperature: -40°C ~ +85°C
Package Include:1 x MAX98306 Stereo Amplifier Module
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