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參數資料
型號: MAX9758ETJ+T
廠商: Maxim Integrated Products
文件頁數: 1/31頁
文件大小: 0K
描述: IC AMP AUDIO PWR 2.3W AB 32TQFN
標準包裝: 2,500
系列: DirectDrive®
類型: AB 類
輸出類型: 2-通道(立體聲)帶立體聲耳機
在某負載時最大輸出功率 x 通道數量: 2.3W x 2 @ 3 歐姆; 130mW x 2 @ 16 歐姆
電源電壓: 4.5 V ~ 5.5 V
特點: 消除爆音,短路保護和熱保護,關機,音量控制
安裝類型: 表面貼裝
供應商設備封裝: 32-TQFN-EP(5x5)
封裝/外殼: 32-WFQFN 裸露焊盤
包裝: 帶卷 (TR)
General Description
The MAX9756/MAX9757/MAX9758 combine dual, 2.3W,
bridge tied load (BTL) stereo audio power amplifiers and
a DirectDriveTM headphone amplifier in a single device.
These devices feature single-supply voltage operation,
shutdown mode, logic-selectable gain, a headphone
sense input, a 31-step analog volume control, and indus-
try-leading click-and-pop suppression. The headphone
amplifier uses Maxim’s DirectDrive architecture that pro-
duces a ground-referenced output from a single supply,
eliminating the need for large DC-blocking capacitors.
The MAX9756/MAX9757 feature automatic level control
(ALC) that automatically limits output power to the speak-
er in the event of an overpowered output.
The MAX9756/MAX9758s’ 150mA internal linear regula-
tor provides a complete solution for DAC- or CODEC-
based designs.
The MAX9756/MAX9757/MAX9758 are offered in space-
saving, thermally efficient 32-pin (5mm x 5mm x 0.8mm)
and 36-pin thin QFN (6mm x 6mm x 0.8mm) packages.
All devices are specified over the extended -40°C to
+85°C temperature range.
Features
Automatic Level Control—Protects Speakers
Analog Volume Control
120mW DirectDrive Headphone Amplifiers (16Ω)
150mA Adjustable LDO
Class AB, 2.3W, Stereo BTL Speaker Amplifiers
(3Ω)
High 95dB PSRR
Low-Power Shutdown Mode
Industry-Leading Click-and-Pop Suppression
Short-Circuit and Thermal Protection
Beep Input
MAX9756/MAX9757/MAX9758
2.3W Stereo Speaker Amplifiers and DirectDrive
Headphone Amplifiers with Automatic Level Control
________________________________________________________________ Maxim Integrated Products
1
VOL
ALC
SINGLE SUPPLY 4.5V TO 5.5V
1.2V TO 5V
HPS
BEEP
MAX9756
LDO
ALC
VOL
ALC
HPS
BEEP
MAX9757
ALC
VOL
1.2V TO 5V
HPS
BEEP
MAX9758
LDO
Simplified Block Diagrams
Ordering Information
Applications
PART
ALC
LDO
PIN-PACKAGE
MAX9756ETX+
√√
36 Thin QFN-EP*
MAX9757ETJ+
32 Thin QFN-EP*
MAX9758ETJ+
32 Thin QFN-EP*
19-3782; Rev 1; 1/06
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.
EVALUATION
KIT
AVAILABLE
Notebook PCs
Tablet PCs
Portable DVD
Players
Flat-Panel TVs
PC Displays
LCD Projectors
Portable Audio
Note: All devices specified for -40°C to +85°C operating
temperature range.
+Denotes lead-free package.
*EP = Exposed paddle.
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相關代理商/技術參數
參數描述
MAX9759ETE+ 功能描述:音頻放大器 3.2W Low-EMI Class D Amplifier RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX9759ETE+T 功能描述:音頻放大器 3.2W Low-EMI Class D Amplifier RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX9759EUE+ 制造商:Maxim Integrated Products 功能描述:- Rail/Tube
MAX9759EUE+T 制造商:Maxim Integrated Products 功能描述:AUD AMP SPKR 1CH MONO 4.3W CLS-D 16TSSOP - Tape and Reel
MAX9759EVKIT 功能描述:音頻放大器 Evaluation Kit for the MAX9759 RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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