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参数资料
| 型号： | MAX9758ETJ+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/31页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO PWR 2.3W AB 32TQFN |
| 标准包装： | 2,500 |
| 系列： | DirectDrive® |
| 类型： | AB 类 |
| 输出类型： | 2-通道（立体声）带立体声耳机 |
| 在某负载时最大输出功率 x 通道数量： | 2.3W x 2 @ 3 欧姆; 130mW x 2 @ 16 欧姆 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 特点： | 消除爆音，短路保护和热保护，关机，音量控制 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 32-TQFN-EP（5x5） |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
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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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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9759ETE+ | 功能描述:音频放大器 3.2W Low-EMI Class D Amplifier RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| MAX9759ETE+T | 功能描述:音频放大器 3.2W Low-EMI Class D Amplifier RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装: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:音频放大器 Evaluation Kit for the MAX9759 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
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