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Smart Audio TFA98XX

End-user benefits

 Louder sound: the maximum possible from small speakers

Deeper bass: reproduces lower frequencies than traditional systems

Better quality: unmatched sound clarity with less clipping in the amplifier and less distortion from the speaker

Longer life: prevents speaker damage with adaptive excursion control and real-time temperature protection

Key features

Sophisticated algorithm for speaker boost protection maximizes audio performance

Environmental awareness lets the system adapt automatically to acoustic and thermal changes

Adaptive excursion control guarantees the speaker membrane stays within its rated limit for excursion

Direct, real-time measurement of the voice-coil temperature ensures the system keeps the coil within its rated limit

Advanced clip controller prevents clipping even with a sagging supply voltage

Optional bandwidth extension increases low-frequency response

Dedicated speech mode with speech activity detector Intelligent 5.3 V DC-to-DC converter maximizes audio headroom from any supply level

Reference output available for Acoustic Echo Cancellation (AEC) in the host processor

High efficiency and low power dissipation

Maximum RMS output power:

- 1.65 W into 8 Ω at 3.6 V power supply (THD = 1%)

- 2.65 W into 4 Ω at 3.6 V power supply (THD = 1%)

Wide supply voltage range (fully operational from 2.5 to 5.5 V)

I2S digital input and output audio interface

WLCSP29 package (3.19 x 2.07 x 0.6 mm)

Applications

Mobile phones

Tablet computers

Portable Navigation Devices (PNDs)

Portable gaming device

Portable audio player


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