TFA9911UK: Smart Sense Audio Amplifier
The TFA9911 is a high efficiency class-D audio amplifier with a sophisticated speaker boost and protection algorithm. It can deliver 7.2 W peak output power into an 8Ohm speaker at a supply voltage of 3.6 V. The internal boost converter raises the supply voltage to 9.5 V, providing ample headroom for major improvements in sound quality.
With the new speaker-as-microphone solution, the TFA9911 will offer great audio recording quality and reducing wind-noise when talking. It also has tap sensing on the speaker which allows you to tap anywhere on the phone to take selfie or any other feather.
Smart Sense Audio Amplifier
Ordering Information
| Product | Status | Package version | Package name | Product description | Application | PSRR (dB) | Po (W) | Output configuration | Speaker impedance (BTL / SE) (Ohm) | Input format | VP [min - max] (V) | Class | Power Down | Volume control | Remarks |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TFA9911UK/N1 | Active | 9.5 V boosted audio system with adaptive sound maximizer,speaker protection, speaker as microphone and TAP trigger | 75 | 3.7 | 2 x TDM-I2S or 1 x PDM | D Boosted |
Package Information
| Product ID | Package Description | Outline Version | Reflow/Wave Soldering | Packing | Product Status | Part NumberOrdering code(12NC) | Marking | Chemical Content | RoHS / Pb Free / RHF | LeadFree Conversion Date | MSL | MSL LF |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TFA9911UK/N1 | Active | TFA9911UK/N1Z (9353 075 08062) | Standard Marking | TFA9911UK/N1 |    | Always Pb-free | 1 | 1 |
