The Texas Instruments TPA3100D2 integrated circuit (www.ti.com) consists of an efficient class D amplifier with 8-ohm output, suitable for home audio equipment. The high efficiency circuit can use 8-ohm speakers and can be powered with voltages from 10 V to 26 V. The efficiency reaches 92% and it has a selection of gains and differential inputs. The TPA31002 integrated circuit can be found in 48-pin QFN or HTQFP enclosures for surface mounting. With the high gain presented, the integrated circuit eliminates the use of heat sinks. The gains can be selected between the values of 20.26, 32 and 36 db
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