LM4947 Datasheet (Texas Instruments) - Mono Class D and Stereo Audio Sub-System

LM4947, Mono Class D and Stereo Audio Sub-System

The LM4947 is an audio subsystem capable of efficiently delivering 500mW (Class D operation) of continuous average power into a mono 8Ω bridgedtied load (BTL) with 1% THD+N, 37mW (Class AB operation) power channel of continuous average power into stereo 32Ω single-ended (SE) loads with 1% THD+N, or

LM4947 Features

* 1

* 2 I2C Control Interface

* I2C Programmable Texas Instruments 3D Audio

* I2C Controlled 32 Step Digital Volume Control (-59.5dB to +18dB)

* Three Independent Volume Channels (Left, Right, Mono)

* Eight Distinct Output Modes

* Small, 25

* Bump D