CJMCU MAX98306 Stereo Audio Amplifier Module [3.7W]

CJMCU MAX98306 Stereo Audio Amplifier Module [3.7W]
  • Brands CJMCU
  • Product Code:SQ9091
  • Availability: In Stock
  • $3.20
  •  
  • Ex Tax:$3.20
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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: MAX98306
Amplifier Type: Stereo
Class Type: D
Input Voltage: 2.6V ~ 5.5V
Output Power: 3.7W (at 30Ω), 3W (at 40Ω), 1.7W (at 80Ω)
Gain: 6dB (Default), 9dB, 12dB, 15dB, and 18dB
Input 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

Audio Module Features
Amplifier Type Stereo
Gain 6dB (Default), 9dB, 12dB, 15dB, and 18dB
Input Impedance 33KΩ (at 18dB), 46KΩ (15dB), 65KΩ (12dB), 93KΩ (9dB), 131KΩ (6dB)
Output Power 3.7W (at 30Ω), 3W (at 40Ω), 1.7W (at 80Ω)
Electrical Parameters
Input Voltage 2.6V ~ 5.5V
Board Parameters
Main Chip MAX98306
Environmental Conditions and Safety
Operating Temprature -40°C ~ +85°C

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