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LM48822TLSLASHNOPB.A中文資料
| 廠家型號(hào) | LM48822TLSLASHNOPB.A |
| 文件大小 | 564.95Kbytes |
| 頁(yè)面數(shù)量 | 22頁(yè) |
| 功能描述 | LM48822 Boomer ? Ground-Referenced, Ultra High PSRR, Ultra Low Noise, 35mW/Channel Stereo Headphone Amplifier with Common Mode Sense, and I2C Volume |
| 數(shù)據(jù)手冊(cè) | |
| 簡(jiǎn)稱 | TI2【德州儀器】 |
| 生產(chǎn)廠商 | Texas Instruments |
| 中文名稱 | 美國(guó)德州儀器公司官網(wǎng) |
| LOGO |
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LM48822TLSLASHNOPB.A數(shù)據(jù)手冊(cè)規(guī)格書PDF詳情
FEATURES
23? Ground Referenced Outputs – Eliminates
Output Coupling Capacitors
? Common-Mode Sense
? Ultra-High PSRR
? I2C Volume and Mode Control
? High Output Impedance in Shutdown
? Differential Inputs
? Advanced Click-and-Pop Suppression
? Low Supply Current
? Minimum External Components
? Micro-Power Shutdown
? Available in Space-Saving 16-Bump DSBGA
Package
APPLICATIONS
? Mobile Phones
? PDAs
? Notebook PCs
? Portable Electronic Devices
? MP3 Players
KEY SPECIFICATIONS
? Output Power/Channel at VDD = 3.6V
– RL = 16Ω, THD+N ≤ 1%: 35mW (typ)
? Output Power/Channel at VDD = 3.6V
– R L = 32Ω, THD+N ≤ 1%: 40mW (typ)
? Quiescent Power Supply Current at 3.6V:
3.5mA (typ)
? PSRR at 217Hz: 110dB (typ)
? Shutdown Current: 0.06μA (typ)
DESCRIPTION
The LM48822 is a single supply, ground-referenced
stereo headphone amplifier designed for portable
devices, such as cell phones, where board space is
at a premium. The LM48822 features TI’s ground-
referenced architecture, which eliminates the large
DC blocking capacitor required by traditional
headphone amplifiers, saving board space and
minimizing system cost.
The LM48822 features common-mode sensing that
corrects for any differences between the amplifier
ground and the potential at the headphone return
terminal, minimizing noise created by any ground
mismatches.
The LM48822 delivers 35mW/channel into a 16Ω
load with <1% THD+N with a 3.6V supply. High
power supply rejection ratio (PSRR), of 110dB at
217Hz, allows the device to operate in noisy
environments without additional power supply
conditioning. Flexible power supply requirements
allow operation from 2.4V to 5.5V. The LM48822 has
a differential inputs for improved noise rejection. High
output impedance in Shutdown mode, combined with
a charge pump-only mode allows the LM48822's
outputs to be driven by an external source without
degrading the source signal. Additionally, the
LM48822 features a 64-step I2C volume control and mute function. The low power Shutdown mode
reduces supply current consumption to 0.06μA.
Superior click and pop suppression eliminates audible
transients on power-up/down and during shutdown.
The LM48822 is available in an ultra-small 16-bump
DSBGA package (2mmx2mm).
| 供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫(kù)存 | 備注 | 價(jià)格 |
|---|---|---|---|---|---|---|---|
TexasInstruments |
18+ |
ICAMPAUDIO.04WSTERAB16US |
6580 |
公司原裝現(xiàn)貨/歡迎來(lái)電咨詢! |
|||
TI |
16+ |
DSBGA |
10000 |
原裝正品 |
|||
Texas Instruments |
24+ |
16-WFBGA |
65200 |
一級(jí)代理/放心采購(gòu) |
|||
TI |
20+ |
16-SMD |
3000 |
就找我吧!--邀您體驗(yàn)愉快問(wèn)購(gòu)元件! |
|||
National |
25+ |
25000 |
原廠原包 深圳現(xiàn)貨 主打品牌 假一賠百 可開票! |
||||
TI(德州儀器) |
2021+ |
DSBGA-16 |
499 |
||||
TI |
22+ |
16WFBGA |
9000 |
原廠渠道,現(xiàn)貨配單 |
|||
TI/德州儀器 |
25+ |
DSBGA16 |
8880 |
原裝認(rèn)準(zhǔn)芯澤盛世！ |
|||
TI |
23+ |
16WFBGA |
9000 |
原裝正品，支持實(shí)單 |
|||
TI/德州儀器 |
23+ |
DSBGA-16 |
89630 |
當(dāng)天發(fā)貨全新原裝現(xiàn)貨 |
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Texas Instruments 美國(guó)德州儀器公司
中文資料: 20155條
德州儀器（Texas Instruments），簡(jiǎn)稱TI，是全球領(lǐng)先的半導(dǎo)體公司，為現(xiàn)實(shí)世界的信號(hào)處理提供創(chuàng)新的數(shù)字信號(hào)處理（DSP）及模擬器件技術(shù)。除半導(dǎo)體業(yè)務(wù)外，還提供包括傳感與控制、教育產(chǎn)品和數(shù)字光源處理解決方案。TI總部位于美國(guó)德克薩斯州的達(dá)拉斯，并在25多個(gè)國(guó)家設(shè)有制造、設(shè)計(jì)或銷售機(jī)構(gòu)。德州儀器是推動(dòng)互聯(lián)網(wǎng)時(shí)代不斷發(fā)展的半導(dǎo)體引擎，作為實(shí)時(shí)技術(shù)的領(lǐng)導(dǎo)者，TI正在快速發(fā)展，在無(wú)線與寬帶接入等大型市場(chǎng)及數(shù)碼相機(jī)和數(shù)字音頻等新興市場(chǎng)方面，憑借性能卓越的半導(dǎo)體解決方案不斷推動(dòng)著互聯(lián)網(wǎng)時(shí)代的前進(jìn)步伐。TI預(yù)想未來(lái)世界的方方面面都滲透著TI產(chǎn)品的點(diǎn)點(diǎn)滴滴，每個(gè)電話、每次上網(wǎng)、拍的每張照片、聽(tīng)的每
