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发布者:微桥 发布时间:2011-11-14 阅读:5234次    关键字: 音频功放
EMA2011-2.7W Mono Filter-less Class-D音频功放


EMA2011-2.7W Mono Filter-less Class-D Audio Amplifier DataSheet 

 

Features
􀁺 Supply voltage range: 2.5 V to 5.5 V
     Support single-ended or differential analoginput
􀁺 Low static operation current
􀁺 Low shut-down current
􀁺 Short power-on transient time
􀁺 Internal pull-low resistor on shut-down pins
􀁺 Short-circuit protection
􀁺 Over-temperature protection
􀁺 Loudspeaker power within 10% THD+N
􀂄 1.66W/ch into 8Ω loudspeaker
􀂄 2.70W/ch into 4Ω loudspeaker
􀁺 Loudspeaker efficiency(micro-bridge)
􀂄 90% @ 8Ω, THD+N=10%
􀂄 85% @ 4Ω, THD+N=10%
􀁺 MSOP-8, TDFN-9 and WLCSP-9 packages
􀁺 Integrated de-pop circuitry
􀁺 Internal generated 450kHz switchingfrequency
Applications
􀁺 Monitor audio
􀁺 PDA
􀁺 Portable multimedia devices
􀁺 Notebook computer
􀁺 Mobile phone
 

Description

The EMA2011 is a mono, filter-less class-D audio amplifier. Operating with 5.0V loudspeaker driver supply, it can deliver 2.7W output power into 4 Ω loudspeaker within 10% THD+N or 2.2W at 1% THD+N.

The EMA2011 is a mono audio amplifier with high efficiency and suitable for the notebook computer, and portable multimedia device.

 

Audio Power Amplifier > Class D Analog Class-D Amplifier

Part Number

Description

Output Power(W)

Typical THD+N(%)

PSRR(dB)

Vdd range

Shutdown current (uA)

Earphone

Package

EMA2011

 2.7W Mono Filter-less

 2.7(4ohm, 5V, 10%THD+N)

 0.24(2.0W, 4ohm, 1KHz)

 -60

 2.5~5.5

 <1

 N/A

 MSOP8, TDFN-8, WLCSP-9

AD5165A

 2.5W Mono, filter-less

 2.6(4ohm, 5V, 10%THD+N)

 0.17(1.8W, 4ohm, 1KHz)

 -65

 2.5~5.5

 <1

 N/A

 DFN-8, WLCSP-9

AD5265A

 2.5W Stereo

 2.5(4ohm, 5V, 10%THD+N)

 0.12(1.8W, 4ohm, 1KHz)

 -65

 2.5~5.5

 0.1

 Stereo

 E-TSSOP-24

AD52660A

 10Wx2/20Wx1; Stereo/Mono

 15(8ohm, 15V, 10%THD+N)

 0.07(7.5W, 8ohm, 1KHz)

 -65

 8~15; Integrated regulator(5V)

 <10

 N/A

 E-LQFP-48

AD52582A

 18Wx2 Stereo

 18(4ohm, 24V, 10%THD+N)

 0.05(10W, 24V, 4ohm, 1KHz)

 -48

 3.15~3.6

 <50

 N/A

 E-TSSOP-24

EMA2016

 2.5Wx2 Stereo

 2.5(4ohm, 5V, 10%THD+N)

 0.18(1.8W, 4ohm, 1KHz)

 -55

 2.8~5.5

 <1

 N/A

 SOP-16

AD52650

 2.5W Stereo

 2.5(4ohm, 5V, 10%THD+N)

 0.12(1.8W, 4ohm, 1KHz)

 -65

 2.5-5.5

 0.1

 N/A

 E-TSSOP-24

AD52651

 3W Stereo

 3(4ohm, 5V, 10%THD+N)

 0.2(2W, 4ohm, 1kHz)

 -55

 3~5

 <1

 N/A

 SSOP-24

AD52655

 2.5W Stereo with power limit

 2.45(4ohm, 5V, 1%THD+N)

 0.2(2W, 4ohm, 1KHz)

 -55

 3~5

 <1

 N/A

 SSOP-24

AD52583

 18W Stereo Class-D Audio Amplifier with power limit

 18W/Ch into 4ohm @ 10% THD+N

 14W/Ch into 4ohm @ 1% THD+N

 -66dB

 10~26

 10

 NO

 E-TSSOP-24

 

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