The TCB701FNG incorporates an extended set of self-diagnosis capabilities that can monitor and report various error states via the I 2C bus. These capabilities include full-time fault detection of output DC offset. This prevents speaker burnout and improves overall reliability. Additional functionality includes anti high-frequency noise, protection against output cross connection and over- and under-voltage, three levels of over-temperature detection, standby/mute control and GSM noise suppression.
The new chip is supplied in a 36-pin HSSOP package and can be used in both power amplifier and line drive mode. The device can operate with a supply voltage of 6V to 18V, supports 49W x4 channels, and is compatible with speakers rated to 2Ω. Output noise voltage is just 60µVrms.
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