Description
LM4666, LM4666SDBD www.ti.com SNAS189A * MAY 2004 * REVISED MAY 2013 LM4666 Filterless High Efficiency Stereo 1.2W Switching Audio.
The LM4666 is a fully integrated single-supply high efficiency switching audio amplifier.
Features
* 1
* 2 No Output Filter Required for Inductive Transducers
* Selectable Gain of 6dB or 12dB
* Very Fast Turn On Time: 6ms (typ)
* Minimum External Components
* "Click and Pop" Suppression Circuitry
* Micro-Power Shutdown Mode
* Short Circuit Prot
Applications
* Mobile Phones
* PDAs
* Portable Electronic Devices
KEY SPECIFICATIONS
* Efficiency at 3V, 100mW into 8Ω Transducer: 79% (typ)
* Efficiency at 3V, 450mW into 8Ω Transducer: 84% (typ)
* Efficiency at 5V, 1W into 8Ω Transducer: 85% (typ)
* Total