TDA7492E 2X75W D類音頻放大器

Description The TDA7492E is a dual BTL class-D audio amplifier with single power supply designed for home audio applications. The device is housed in a 36-pin PowerSSO package with exposed pad up (EPU), and as a result of its high efficiency, a simple heatsink is required.

Table 1: Device summary

   

Features ? Wide-range single-supply operation (7 - 26 V) ? Possible output configurations: ? 2 x PBTL ? 1 x Parallel BTL ? BTL output capabilities (VCC = 26 V): ? 61 W + 61 W, 4 Ω, THD 1% ? 79 W + 79 W, 4 Ω, THD 10% ? 44 W + 44 W, 6 Ω, THD 1% ? 57 W + 57 W, 6 Ω, THD 10% ? 34 W + 34 W, 8 Ω, THD 1% ? 44 W + 44 W, 8 Ω, THD 10% ? Parallel BTL output capabilities (VCC = 26 V): ? 86 W, 3 Ω, THD 1% ? 110 W, 3 Ω, THD 10% ? High efficiency

? Four selectable, fixed-gain settings of nominally 20.8 dB, 26.8 dB, 30 dB and 32.8 dB ? Differential inputs minimize common-mode noise ? Standby, mute and play operating modes ? Short-circuit protection ? Output power limited by PLIMIT function ? Detection of shorted output pins during startup ? Thermal overload protection ? ECOPACK? environmentally friendly package

 

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