參數(shù)資料
型號(hào)： MAX9755ETI+
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 1/30頁(yè)
文件大?。?/td> 0K
描述： IC AMP AUDIO PWR 2.6W AB 28TQFN
標(biāo)準(zhǔn)包裝： 60
系列： DirectDrive®
類型： AB 類
輸出類型： 2-通道（立體聲）帶立體聲耳機(jī)
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： 2.6W x 2 @ 3 歐姆; 110mW x 2 @ 16 歐姆
電源電壓： 4.5 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： 28-TQFN-EP（5x5）
封裝/外殼： 28-WFQFN 裸露焊盤
包裝： 管件
General Description
The MAX9750/MAX9751/MAX9755 combine a stereo,
2.6W audio power amplifier and stereo DirectDrive
110mW headphone amplifier in a single device. The
headphone amplifier uses Maxim’s DirectDrive architec-
ture that produces a ground-referenced output from a
single supply, eliminating the need for large DC-blocking
capacitors, saving cost, space, and component height.
A high 90dB PSRR and low 0.01% THD+N ensures
clean, low-distortion amplification of the audio signal.
The MAX9750 features an analog volume control, and a
BEEP input. The MAX9751 features a 2:1 input multiplexer,
allowing multiple audio sources to be selected. All devices
feature a single-supply voltage, a shutdown mode, logic-
selectable gain, and a headphone sense input. Industry-
leading click-and-pop suppression eliminates audible
transients during power and shutdown cycles.
The MAX9750/MAX9751/MAX9755 are offered in a
space-saving, thermally efficient 28-pin thin QFN (5mm
x 5mm x 0.8mm) package. These devices have thermal-
overload and output short-circuit protection, and are
specified over the extended -40°C to +85°C tempera-
ture range.
Applications
Notebook PCs
Flat-Panel TVs
Tablet PCs
PC Displays
Portable DVD Players LCD Projectors
Features
No DC-Blocking Capacitors Required—Provides
Industry’s Most Compact Notebook Audio
Solution
PC2001 Compliant
5V Single-Supply Operation
Class AB 2.6W Stereo BTL Speaker Amplifiers
110mW DirectDrive Headphone Amplifiers
High 90dB PSRR
Low-Power Shutdown Mode
Industry-Leading Click-and-Pop Suppression
Low 0.01% THD+N at 1kHz
Short-Circuit and Thermal Protection
Selectable Gain Settings
Analog Volume Control (MAX9750)
BEEP Input with Glitch Filter (MAX9750)
2:1 Stereo Input MUX (MAX9751)
±8kV ESD-Protected Headphone Driver Outputs
Available in Space-Saving, Thermally Efficient
28-Pin Thin QFN (5mm x 5mm x 0.8mm) Package
MAX9750/MAX9751/MAX9755
2.6W Stereo Audio Power Amplifiers and
DirectDrive Headphone Amplifiers
________________________________________________________________
Maxim Integrated Products
1
Ordering Information
19-3006; Rev 8; 6/08
EVALUATION KIT
AVAILABLE
PART*
PIN-
PACKAGE
MAXIMUM GAIN
(dB)
MAX9750AETI+
28 Thin QFN
13.5
MAX9750BETI+
28 Thin QFN
19.5
MAX9750CETI+
28 Thin QFN
10.5
MAX9751ETI+
28 Thin QFN
10.5
MAX9755ETI+
28 Thin QFN
10.5
+Denotes a lead-free/RoHS-compliant package.
*
All devices specified over the -40°C to +85°C temperature
range.
VOL
BEEP
MAX9750
Simplified Block Diagrams
Simplified Block Diagrams continued at end of data sheet.
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
DirectDrive is a registered trademark of Maxim Integrated
Products, Inc.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX9755ETI+ 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
MAX9755ETI+T 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
MAX9756ETX+ 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
MAX9756ETX+T 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
MAX9756EVKIT 功能描述:放大器 IC 開發(fā)工具 Programmers, Development Systems RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓:13 V to 23 V
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