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TDA7491LP Datasheet(PDF) 1 Page - STMicroelectronics |
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TDA7491LP Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 37 page March 2011 Doc ID 13541 Rev 5 1/37 37 TDA7491LP 2 x 5-watt dual BTL class-D audio amplifier Features ■ 5 W + 5 W continuous output power: RL = 8 Ω, THD = 10% at VCC = 9 V ■ 5 W + 5 W continuous output power: RL = 4 Ω, THD = 10% at VCC = 6.6 V ■ Wide range single supply operation (5 V - 14 V) ■ High efficiency ( η = 90%) ■ Four selectable, fixed gain settings of nominally 20 dB, 26 dB, 30 dB and 32 dB ■ Differential inputs minimize common-mode noise ■ Filterless operation ■ No ‘pop’ at turn-on/off ■ Standby and mute features ■ Short-circuit protection ■ Thermal overload protection ■ Externally synchronizable Description The TDA7491LP is a dual BTL class-D audio amplifier with single power supply designed for LCD TVs and monitors. Thanks to the high efficiency and exposed-pad-down (EPD) package no separate heatsink is required. Furthermore, the filterless operation allows a reduction in the external component count. The TDA7491LP is pin-to-pin compatible with the TDA7491P and TDA7491HV. PowerSSO-36 with exposed pad down Table 1. Device summary Order code Operating temperature Package Packaging TDA7491LP -40 to 85 °C PowerSSO-36 EPD Tube TDA7491LP13TR -40 to 85 °C PowerSSO-36 EPD Tape and reel www.st.com |
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