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부품번호 | EMA2204 기능 |
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기능 | 2.7W/Ch Stereo Fully Differential Audio Power Amplifier | ||
제조업체 | Elite Semiconductor | ||
로고 | |||
ESMT/EMP
EMA2204
2.7W/Ch Stereo Fully Differential Audio Power
Amplifier with Bypass Capacitor Free
General Description
The EMA2204 is a 2.7W/Ch Stereo fully differential
amplifier designed to drive a speaker with at least 4Ω
impedance. The device operates from 2.2 V to 5.5 V,
drawing 9mA(Typ.) of quiescent supply current. The
EMA2204 performs superior THD+N and PSRR with no
bypass capacitor required.
With no bypass capacitor, the EMA2204 is ideal for PMPs
applications due to features such as -65dB supply
voltage rejection from 20 Hz to 10kHz, improved RF
rectification immunity and a fast startup with minimal
pop.
Features
.2.7 W/Ch Into 4Ω From a 5-V Supply at THD = 10% (Typ)
.Low Supply Current: 9mA (Typ) at 5 V
.Shutdown Current: 0.1 μA (Typ)
.Fast Startup With Minimal Pop
.Improved PSRR (-65 dB) and Wide Supply Voltage (2.2
V to 5.5 V) for Direct Battery Operation
.Fully Differential Design Reduces RF Rectification
.-63 dB CMRR Eliminates Two Input Coupling Capacitors
.Available in 3 mm X 3 mm TDFN Package
Applications
. PMPs
. Desktop
. Notebook
Elite Semiconductor Memory Technology Inc./Elite MicroPower Inc.
Publication Date : Jun. 2009
Revision : 2.0
1/14
ESMT/EMP
Function Block Diagram
EMA2204
Elite Semiconductor Memory Technology Inc./Elite MicroPower Inc.
Publication Date : Jun. 2009
Revision : 2.0
4/14
4페이지 ESMT/EMP
Application Information
EMA2204
Fig1. Typical Differential Input Application with AV=2
0.39 µF 20KΩ
Left-Input
Single-ended
signal
4 INN1
0.39 µF 20KΩ
17 INP1
VDD
10KΩ
5 SDNB1
120KΩ
0.39 µF 20KΩ
Right-Input
Single-ended
signal
8 SDNB2
120KΩ
10 INN2
0.39 µF 20KΩ
11 INP2
40KΩ
OUTP1 3
_+
+_
40KΩ
OUTN1 18
Bias
Circuitry 1
VDD 12,20
1µF 1µF
Bias
Circuitry 2
GND 1,7
40KΩ
OUTP2 6
_+
+_
40KΩ
OUTN2 15
Fig2. Typical Single-ended Input Application with AV=2
Elite Semiconductor Memory Technology Inc./Elite MicroPower Inc.
Publication Date : Jun. 2009
Revision : 2.0
7/14
7페이지 | |||
구 성 | 총 14 페이지수 | ||
다운로드 | [ EMA2204.PDF 데이터시트 ] |
당사 플랫폼은 키워드, 제품 이름 또는 부품 번호를 사용하여 검색할 수 있는 |
구매 문의 | 일반 IC 문의 : 샘플 및 소량 구매 ----------------------------------------------------------------------- IGBT, TR 모듈, SCR 및 다이오드 모듈을 포함한 광범위한 전력 반도체를 판매합니다. 전력 반도체 전문업체 상호 : 아이지 인터내셔날 사이트 방문 : [ 홈페이지 ] [ 블로그 1 ] [ 블로그 2 ] |
부품번호 | 상세설명 및 기능 | 제조사 |
EMA2202 | Stereo 2.4W Audio Power Amplifier | Elite Semiconductor |
EMA2202-50QE28GRR | Stereo 2.4W Audio Power Amplifier | Elite Semiconductor |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |