|
|
|
부품번호 | AD82551A 기능 |
|
|
기능 | Stereo Digital Audio Amplifier | ||
제조업체 | Elite Semiconductor Memory Technology | ||
로고 | |||
ESMT
AD82551A
Stereo Digital Audio Amplifier with Headphone Driver
Features
z 16/18/20/24-bit input with I2S data format
z PSNR & DR (A-weighting)
Loudspeaker: 98dB (PSNR), 102dB (DR)
Headphone: 87dB (PSNR), 96dB (DR)
z Multiple sampling frequencies (Fs)
8kHz, 12kHz, 16kHz, 22.05kHz, 24kHz
32kHz, 44.1kHz, 48kHz,
64kHz, 88.2kHz and 96kHz
www.DataSheetz4US.cyosmtem clock = 256Fs
z 8Fs switching for loudspeakers and headphones
z Single or dual supply
Single supply: 3.0~3.3V for the whole chip
Dual supply: 3.0~5V for loudspeaker drivers
3.0~3.3V for others
z Loudspeaker power
2.3W into 4Ω load @ 0dB 1kHz sinewave input
1.3W into 8Ω load @ 0dB 1kHz sinewave input
z Loudspeaker power efficiency (η)
86% for 4Ω @ 0dB 1kHz sinewave input
91% for 8Ω @ 0dB 1kHz sinewave input
z Headphone power
35mW into 32Ω @1kHz and 1% THD+N
65mW into 16Ω @1kHz and 1% THD+N
113mW into 8Ω @1kHz and 1% THD+N
z Volume control
53steps:0~-40dB(1dB/step) -42~-64dB(2dB/step)
z Mute function
z Power down function
z Anti-pop design
z Over-temperature protection
z Under-voltage shutdown
z Short-circuit detection
Applications
Functional Block Diagram
z CD and DVD
z TV audio
z Internet audio
z USB speaker
z MP3
z Headphone Amplifier
z PDA
z Portable / Handheld
z Mobile phone
z Car audio
Description
This is a stereo digital audio amplifier with high
power efficiency, which leads to longer battery life,
less heat sink requirement, smaller board size and
lower system cost. AD82551A can detect
headphone connection and choose to drive either
stereo loudspeakers or stereo headphones.
Operating with 3.0/3.3/5V loudspeaker driver supply,
each loudspeaker channel can typically deliver
0.8/1.0/2.3W to a 4Ω loudspeaker, respectively, with
less than 1% THD+N. Operating with 3.0/3.3V
headphone driver supply, each headphone channel
can typically deliver 29/35mW to 32Ω, 54/65mW to
16Ω and 94/113mW to 8Ω, respectively, with less
than 1% THD+N.
ORDERING INFORMATION
Product Number
Package
AD82551A-CG 24L SSOP 209mil
Comments
Pb-free
Elite Semiconductor Memory Technology Inc.
Publication Date:Apr. 2007
Revision:1.1 1/15
| |||
구 성 | 총 3 페이지수 | ||
다운로드 | [ AD82551A.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 |
AD82551A | Stereo Digital Audio Amplifier | Elite Semiconductor Memory Technology |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |