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STMicroelectronics - 2 x 1W differential input stereo audio amplifier

Numéro de référence TS4998
Description 2 x 1W differential input stereo audio amplifier
Fabricant STMicroelectronics 
Logo STMicroelectronics 





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TS4998 fiche technique
TS4998
2 x 1W differential input stereo audio amplifier
Features
Operating range from VCC= 2.7V to 5.5V
1W output power per channel @ VCC=5V,
THD+N=1%, RL=8Ω
Ultra low standby consumption: 10nA typ.
www.DataShe8e0td4UB.cPoSmRR @ 217Hz with grounded inputs
High SNR: 106dB(A) typ.
Fast startup time: 45ms typ.
Pop&click-free circuit
Dedicated standby pin per channel
Lead-free QFN16 4x4mm package
Applications
Cellular mobile phones
Notebook and PDA computers
LCD monitors and TVs
Portable audio devices
Description
The TS4998 is designed for top-class stereo
audio applications. Thanks to its compact and
power-dissipation efficient QFN16 package with
exposed pad, it suits a variety of applications.
With a BTL configuration, this audio power
amplifier is capable of delivering 1W per channel
of continuous RMS output power into an 8Ω load
@ 5V.
Each output channel (left and right), also has its
own external controlled standby mode pin to
reduce the supply current to less than 10nA per
channel. The device also features an internal
thermal shutdown protection.
The gain of each channel can be configured by
external gain setting resistors.
QFN16 4x4mm
Pin connections (top view)
December 2007
Rev 1
1/33
www.st.com
33

PagesPages 30
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