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MAX98314

Maxim Integrated Products
Part Number MAX98314
Manufacturer Maxim Integrated Products
Description Mono 3.2W Class D Amplifier
Published Feb 21, 2012
Detailed Description www.DataSheet.co.kr 19-6124; Rev 0; 11/11 EVALUATION KIT AVAILABLE MAX98314 Mono 3.2W Class D Amplifier with Integrate...
Datasheet PDF File MAX98314 PDF File

MAX98314
MAX98314

Overview
www.
DataSheet.
co.
kr 19-6124; Rev 0; 11/11 EVALUATION KIT AVAILABLE MAX98314 Mono 3.
2W Class D Amplifier with Integrated Input Coupling Capacitors General Description The MAX98314 mono 3.
2W Class D amplifier provides Class AB audio performance with Class D efficiency.
This device offers five selectable gain settings (0dB, 3dB, 6dB, 9dB, and 12dB) set by a single gain-select input (GAIN).
Active emissions limiting (AEL) edge rate and overshoot control circuitry and a filterless spread-spectrum modulation (SSM) scheme greatly reduce EMI and eliminate the need for output filtering found in traditional Class D devices.
The IC’s low 0.
95mA at 3.
7V, 1.
2mA at 5.
0V quiescent current extends battery life in portable applications.
Highly linear, integrated input coupling capacitors (CIN) reduce solution size and provide excellent THD+N, PSRR, and CMRR performance at low frequencies vs.
standard Class D amplifiers using external input capacitors.
The IC is available in a small 9-bump, 0.
3mm pitch WLP (1.
0mm x 1.
0mm x 0.
80mm) package and is specified over the -40NC to +85NC extended temperature range.
Features S Integrated Input Coupling Capacitors with Excellent Linearity  fC = 100Hz (6dB)  fC = 200Hz (12dB) S Low Quiescent Current  0.
95mA at 3.
7V  1.
2mA at 5.
0V S Delivers High Output Power at 10% THD+N  3.
2W into 4I, VPVDD = 5V  960mW into 8I, VPVDD = 3.
7V S Ultra-Low Noise: 19µV S Eliminates Output Filtering Requirement  Spread Spectrum and Active Emissions Limiting S Click-and-Pop Suppression S Thermal and Overcurrent Protection S Low Current Shutdown Mode S Small, Space-Saving Package Applications Mobile Phones Portable Audio Notebook Computers MP3 Players Netbook Computers VoIP Phones CIN CIN Simplified Block Diagram MAX98314 CLASS D MODULATOR AND H-BRIDGE Ordering Information appears at end of data sheet.
GAIN CONTROL For related parts and recommended products to use with this part, refer to: www.
maxim-ic.
com/MAX98314.
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