AN12978A

DATA SHEET Part No. Package Code No. AN12978A UBGA015-W-2020 www.DataSheet4U.com Publication date: October 2008 SDE00030BEB 1 AN12978A Contents „ Overview „ Features „ Package „ Type ……..……………………………………………………………………………………………………. 3 ……..……………………………………………………………………………………………………. 3 ………………………………………………………………………………………………………. 3 …………………………………...………………………………………………………………………. 3 „ Applications …………….………………………………………………………………………………………………… 3 …………………..………………………………………………………………………………. 5 ……………………..……………..…………………………......………………… 6 ………………….………………….…………………………………………………. 7 ……………………………………………………. 9 „ Application Circuit Example (Block Diagram) ……….…………………………………………………………. 4 „ Pin Descriptions „ Absolute Maximum Ratings „ Electrical Characteristics „ Technical Data „ Usage Notes „ Operating Supply Voltage Range …………………………………………..……………………………………. 6 „ Electrical Characteristics (Reference values for design) …………………………………….………….…………………………………………………. 10 ……….……………………….………………….…………………………………………………. 20 www.DataSheet4U.com SDE00030BEB 2 AN12978A AN12978A Monaural BTL amplifier IC with built-in AGC (I2C bus-control correspondence) „ Overview AN12978A is the monaural BTL amplifier which contained the AGC circuit for clip prevention of a speaker output. This IC performs a mode change by the I2C bus control system. (Standby function ON/OFF change etc.) „ Features y Selection by I2C bus control is possible in the on-level of AGC. (3-bit, 8-step) y Selection by I2C bus control is possible in an attack/recove...