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參數(shù)資料
| 型號(hào)： | MAX4295ESE+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 1/15頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP AUDIO PWR 2W MONO 16SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 類型： | D 類 |
| 輸出類型： | 1-通道（單聲道） |
| 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： | 2W x 1 @ 4 歐姆 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 特點(diǎn)： | 消除爆音，短路保護(hù)和熱保護(hù)，關(guān)閉 |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 16-SOIC |
| 封裝/外殼： | 16-SOIC（0.154"，3.90mm 寬） |
| 包裝： | 管件 |
General Description
The MAX4295 mono, switch-mode (Class D) audio
power amplifier operates from a single +2.7V to +5.5V
supply. The MAX4295 has >85% efficiency and is
capable of delivering 2W continuous power to a 4
load, making it ideal for portable multimedia and gener-
al-purpose high-power audio applications.
The MAX4295 features a total harmonic distortion plus
noise (THD+N) of 0.4% (fOSC = 125kHz), low quiescent
current of 2.8mA, high efficiency, and clickless power-
up and shutdown. The SHDN input disables the device
and limits supply current to <1.5A. Other features
include a 1A current limit, thermal protection, and
undervoltage lockout.
The MAX4295 reduces the number of required external
components. Internal high-speed power-MOS transis-
tors allow operation as a bridge-tied load (BTL) amplifi-
er. The BTL configuration eliminates the need for
isolation capacitors on the output. The frequency-selec-
table pulse-width modulator (PWM) allows the user to
optimize the size and cost of the output filter.
The MAX4295 is offered in a space-saving 16-pin
QSOP or narrow SO package.
Applications
Features
+2.7V to +5.5V Single-Supply Operation
2W/Channel Output Power at 5V
0.7W/Channel Output Power at 3V
87% Efficiency (RL = 4, POUT = 2W)
0.4% THD+N (RL = 4, fOSC = 125kHz)
Logic-Programmable PWM Frequency Selection
(125kHz, 250kHz, 500kHz, 1MHz)
Low-Power Shutdown Mode
Clickless Transitions Into and Out of Shutdown
1A Current Limit and Thermal Protection
Available in Space-Saving Packages
16-Pin QSOP or Narrow SO
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
MAX4295
Mono, 2W, Switch-Mode (Class D)
Audio Power Amplifier
________________________________________________________________ Maxim Integrated Products
1
AOUT
IN
VCC
GND
VCM
ON
OFF
SHDN
FS1
FS2
OUT+
OUT-
PVCC
AUDIO
INPUT
2.7V TO 5.5V
RF
RIN
CIN
GND
MAX4295
PVCC
PGND
SS
19-1746; Rev 3; 3/05
Ordering Information
Palmtop/Notebook
Computers
PDA Audio
Sound Cards
Game Cards
Boom Boxes
AC Amplifiers
Battery-Powered Speakers
Cordless Phones
Portable Equipment
Pin Configuration appears at end of data sheet.
Typical Operating Circuit
PART
TEMP RANGE
PIN-PACKAGE
MAX4295EEE
-40°C to +85°C
16 QSOP
MAX4295ESE
-40°C to +85°C
16 Narrow SO
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4295ESE+ | 功能描述:音頻放大器 Mono 2W Switch Mode (Class D) RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX4295ESE+T | 功能描述:音頻放大器 Mono 2W Switch Mode (Class D) RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX4295ESE-T | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX4295EVKIT | 制造商:Maxim Integrated Products 功能描述:EVALUATION KIT FOR THE MAX4295 - Bulk |
| MAX4297EAG | 功能描述:音頻放大器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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