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參數資料
| 型號： | MAX9703-MAX9704 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 15W, Filterless, Spread-Spectrum Mono/Stereo Class D Amplifiers |
| 中文描述： | 15W的功率，濾波，擴頻單聲道/立體聲D類放大器 |
| 文件頁數： | 1/18頁 |
| 文件大小： | 749K |
| 代理商： | MAX9703-MAX9704 |
General Description
The MAX9703/MAX9704 mono/stereo class D audio
power amplifiers provide class AB amplifier performance
with class D efficiency, conserving board space and
eliminating the need for a bulky heatsink. Using a class
D architecture, these devices deliver up to 15W while
offering up to 78% efficiency. Proprietary and patent-pro-
tected modulation and switching schemes render the tra-
ditional class D output filter unnecessary.
The MAX9703/MAX9704 offer two modulation schemes:
a fixed-frequency mode (FFM), and a spread-spectrum
mode (SSM) that reduces EMI-radiated emissions due
to the modulation frequency. The device utilizes a fully
differential architecture, a full bridged output, and com-
prehensive click-and-pop suppression.
The MAX9703/MAX9704 feature high 80dB PSRR, low
0.07% THD+N, and SNR in excess of 100dB. Short-cir-
cuit and thermal-overload protection prevent the
devices from being damaged during a fault condition.
The MAX9703 is available in a 32-pin TQFN (5mm x
5mm x 0.8mm) package. The MAX9704 is available in a
32-pin TQFN (7mm x 7mm x 0.8mm) package. Both
devices are specified over the extended -40°C to
+85°C temperature range.
Applications
Hands-Free Car
Phone Adaptors
Automotive
Features
Filterless Class D Amplifier
Unique Spread-Spectrum Mode Offers 5dB
Emissions Improvement Over Conventional
Methods
Up to 78% Efficient
15W Output Power into 8
Up to 20W Peak Power
Low 0.07% THD+N
High PSRR (80dB at 1kHz)
10V to 25V Single-Supply Operation
Differential Inputs Minimize Common-Mode Noise
Pin-Selectable Gain Reduces Component Count
Industry-Leading Click-and-Pop Suppression
Low Quiescent Current (24mA)
Low-Power Shutdown Mode (0.2μA)
Short-Circuit and Thermal-Overload Protection
Available in Thermally Efficient, Space-Saving
Packages
32-Pin TQFN (5mm x 5mm x 0.8mm)–MAX9703
32-Pin TQFN (7mm x 7mm x 0.8mm)–MAX9704
M
15W, Filterless, Spread-Spectrum
Mono/Stereo Class D Amplifiers
________________________________________________________________
Maxim Integrated Products
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.
1
19-3160; Rev 1; 3/04
Ordering Information
PART
TEMP RANGE
-40
o
C to +85
o
C
-40
o
C to +85
o
C
PIN-PACKAGE
32 TQFN-EP*
32 TQFN-EP*
AMP
Mono
Stereo
MAX9703
ETJ
MAX9704
ETJ
*
EP = Exposed paddle.
LCD TVs
LCD Monitors
Desktop PCs
LCD Projectors
Pin Configurations appear at end of data sheet.
MAX9704
0.47
μ
F
INL+
OUTL+
OUTL-
INL-
0.47
μ
F
H-BRIDGE
0.47
μ
F
INR+
OUTR+
OUTR-
INR-
0.47
μ
F
H-BRIDGE
MAX9703
0.47
μ
F
IN+
OUT+
OUT-
IN-
0.47
μ
F
H-BRIDGE
Block Diagrams
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX9704ETJ | 功能描述:音頻放大器 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 |
| MAX9704ETJ+ | 功能描述:音頻放大器 10W Stereo/15W Mono 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 |
| MAX9704ETJ+T | 功能描述:音頻放大器 10W Stereo/15W Mono 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 |
| MAX9704ETJ-T | 功能描述:音頻放大器 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 |
| MAX9704EVKIT | 制造商:Maxim Integrated Products 功能描述:15W FILTERLESS SPREAD-SPECTRUM MO - Rail/Tube |
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