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TDA7493 Scheda tecnica(PDF) 1 Page - STMicroelectronics |
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TDA7493 Scheda tecnica(HTML) 1 Page - STMicroelectronics |
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1 / 30 page  November 2010 Doc ID 14570 Rev 6 1/30 30 TDA7493 3-watt + 3-watt dual BTL class-D audio amplifier Features 3.0 W + 3.0 W of continuous output power with RL =4 Ω, THD = 10%, VCC = 5 V (filterless) 2.8 W + 2.8 W of continuous output power with RL =4 Ω, THD = 10%, VCC = 5 V (with filter) Single supply voltage range 3.0 V to 5.5 V High efficiency ( η = 83%) Four selectable, fixed gain settings of 6 dB, 12 dB, 15.6 dB and 18 dB Differential inputs minimize common-mode noise Filterless operation Standby feature Short-circuit protection Thermal-overload protection Externally synchronizable Description The TDA7493 is a dual BTL class-D audio amplifier, specially designed for LCD TV, LCD monitors or small speakers on cradles with single-supply operation. The filterless operation allows the external component count to be reduced. The TDA7493 is assembled in the HTSSOP24 package. Thanks to the high efficiency and to the exposed-pad-down (EPD) package no separate heatsink is required. HTSSOP24 package with exposed pad down Table 1. Device summary Order codes Operating temperature range Package Packaging TDA7493 0 to 70 °C HTSSOP24 (EPD) Tube TDA749313TR 0 to 70 °C HTSSOP24 (EPD) Tape and reel www.st.com |
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