AN12979A
AN12979A is Stereo BTL amplifier manufactured by Panasonic.
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 ……….……………………….………………….…………………………………………………. 21
..
SDE00031BEB
- Overview
Stereo BTL amplifier IC with built-in AGC (I2C bus-control correspondence)
AN12979A is the stereo 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/recovery time of AGC. (attack: 2-bit, recovery: 3-bit) y The resistance and the capacitor of a detector circuit which were being used for the conventional AGC are unnecessary. y In order to realize high efficiency of output power, it adopts CMOS power amplifier circuit . y Built-in pulsion shutdown terminal.
- Applications y Audio amplifier for mobile, such as a cellular phone
- Package y 20 pin Fine Pitch Land Grid Array Package (LGA Type)
- Type y Bi-CMOS IC
..
SDE00031BEB
- Application Circuit Example (Block Diagram)
3V
1 μF 15 VREF PREOUT-R 100 p F 0.1 μF IN(R) 10 kΩ 17 10 kΩ FB-R GND 0.1 μF IN(L) 10 kΩ 10 kΩ 100 p F PREOUT-L FB-L 19 20 I2C-BUS...
