The MAX98304 mono 3.2W Class D amplifier provides class AB and Class D efficiency audio performance. The device provides five selectable gain settings (0dB, 3dB, 6dB, 9dB, and 12dB) set by a single gain selection input (gain).
Active radiation limitation, edge rate, and overshoot control circuits greatly reduce EMI. The filterless spread-spectrum modulation scheme eliminates the need for traditional output filtering in Class D devices. The number of applied components for these functions is reduced.
The quiescent current of 0.95mA (1.2mA at 5V) at the 3.7V IC can extend the battery life of portable applications.
The IC is available in 9 solder balls (1.0 mm x 1.0 mm) and a 0.3mm pitch WLP is in the -40 ° C to + 85 ° C temperature range.
Key features
Low quiescent current: 0.95 mA at 3.7 V
Spread spectrum and active radiation limits
Five-pin select gain
19μVRMS ultra-low noise
90dB PSRR
Click noise suppression
Thermal and overcurrent protection
Low current shutdown mode
1.0mm x 1.0mm, 9 solder ball WLP package (0.3mm pitch), space saving package
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Shenzhen YLHM Technology Co., Ltd. , https://www.hkcryptominer.com