Summary

SC2318 is a class D audio power amplifier with anti-top-cutting distortion and dual-channel filter-free. Under the conditions of VDD=8.5V, THD+N=10% and 4 load, the output power of 2 *10W can be continuously output.

SC2318 has the output control function of anti-clipping distortion (NCN), which can detect and suppress the output signal clipping distortion (broken sound) caused by the excessive amplitude of input music and voice signal, and significantly improve the sound quality.

Build comfortable listening enjoyment and protect loudspeaker from overload damage. At the same time, the chip also has NCN-Off mode configurable.

SC2318 integrates filter-free digital modulation technology, which can directly drive the loudspeaker and minimize the distortion and noise of the pulse output signal. The output does not need a filter network, and very few external components save system space and cost. It is an ideal choice for portable applications.

In addition, the built-in shutdown function of SC2318 minimizes standby current, and integrates the functions of output overcurrent protection, on-chip overtemperature protection and power supply under-voltage abnormal protection.

Characteristic

Anti-distortion function

Filter-free digital modulation, direct drive loudspeaker

Output power

2 x 10W (V DD = 8.5V, RL = 4, THD + N = 10%)

2 x 7.0W (VDD = 7.2V, RL = 4, THD + N = 10%)

Overcurrent protection function

Overheat protection function

Undervoltage Abnormal Protection Function

Lead-free halogen-free package, SOP16L-PP

Application

Bluetooth speaker portable speaker

2.1-channel speaker amplifier

Iphone/ipod/ipod docking rod speaker tablet computer, laptop portable game machine small LCD TV / monitor MP4, navigator