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EMA1003

Elite Semiconductor
Part Number EMA1003
Manufacturer Elite Semiconductor
Description 1.2W Fully Differential Audio Power Amplifier
Published Jul 21, 2014
Detailed Description ESMT/EMP EMA1003 1.2W Fully Differential Audio Power Amplifier with Shutdown Select General Description The EMA1003 is...
Datasheet PDF File EMA1003 PDF File

EMA1003
EMA1003

Overview
ESMT/EMP EMA1003 1.
2W Fully Differential Audio Power Amplifier with Shutdown Select General Description The EMA1003 is a fully differential audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication device applications.
It is capable of delivering 1.
2 watt of continuous average power to an 8Ω　BTL load with less than 1% distortion (THD+N) from a 5VDC power supply.
The EMA1003 does not require output coupling capacitors or bootstrap capacitors, and therefore is ideally suited for mobile phone and other low voltage applications where minimal power consumption is a primary requirement.
The EMA1003 features a low-power consumption shutdown mode.
To facilitate this, shutdown may be enabled by either logic high or low depending on mode selection.
Driving the shutdown mode pin either high or low enables the shutdown select pin to be driven in a likewise manner to enable Shutdown.
Additionally, the EMA1003 features an internal thermal shutdown protection mechanism.
The EMA1003 contains advanced pop & click circuitry which eliminates noises which would otherwise occur during turn-on and turn-off transitions.
The EMA1003 is unity-gain stable and can be configured by external gain-setting resistors.
Key Specifications ．Improved PSRR at 217Hz ．Power Output at 5.
0V, 8Ω& 1% THD ．Power Output at 2.
6V,8Ω& 1% THD ．Shutdown current 70dB(typ) 1.
2W(typ) 300mW(typ) 0.
1µA (typ) Features ． Fully differential amplification ． Available packages MSOP ．Ultra low current shutdown mode ．Can drive capacitive loads up to 500 pF ．Improved pop & click circuitry eliminates noises during turn-on and turn-off transitions ．2.
2 - 5.
5V operation ．No output coupling capacitors, snubber networks or bootstrap capacitors required ．Unity-gain stable ．External gain configuration capability ．Shutdown high or low selectivity ．High CMRR Applications ． Mobile phones ． PDAs ． Portable electronic devices Connection Diagram SDSLCT INN SDMODE INP BYPASS 1...


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