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MAX9701EBP+TG45

更新时间： 2024-02-02 06:25:38
品牌 Logo 应用领域
美信 - MAXIM 放大器功率放大器
页数 文件大小 规格书
22页 383K
描述
1.3W, Filterless, Stereo Class D Audio Power Amplifier

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MAX9701EBP+TG45 技术参数

是否Rohs认证： 符合生命周期：Obsolete
包装说明：,Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.33.00.01
风险等级：5.79商用集成电路类型：AUDIO AMPLIFIER
JESD-609代码：e1湿度敏感等级：1
端子面层：Tin/Silver/Copper (Sn/Ag/Cu)Base Number Matches：1

MAX9701EBP+TG45 数据手册

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19-3457; Rev 3; 3/09  
1.3W, Filterless, Stereo Class D Audio  
Power Amplifier  
MAX9701  
General Description  
Features  
The MAX9701 stereo Class D audio power amplifier pro-  
vides Class AB amplifier audio performance with the  
benefits of Class D efficiency, eliminating the need for a  
heatsink while extending battery life. The MAX9701  
delivers up to 1.3W per channel into an 8Ω load while  
offering 87% efficiency. Maxim’s next-generation, low-  
EMI modulation scheme allows the amplifier to operate  
without an external LC filter while still meeting FCC EMI  
emission levels.  
o Patented Spread-Spectrum Modulation Lowers  
Radiated Emissions  
o Single-Supply Operation (2.5V to 5.5V)  
o 1.3W Stereo Output (8Ω, V  
= 5V, THD+N = 1%)  
DD  
o No LC Output Filter Required  
o 87% Efficiency (R = 8Ω, P  
= 1000mW)  
L
OUT  
o Less Than 0.1% THD+N  
o High 80dB PSRR  
o Fully Differential Inputs  
o Integrated Click-and-Pop Suppression  
o Typical Low Quiescent Current (9mA)  
o Typical Low-Power Shutdown Mode (0.1µA)  
The MAX9701 offers two modulation schemes: a fixed-fre-  
quency (FFM) mode, and a spread-spectrum (SSM)  
mode that reduces EMI-radiated emissions. The  
MAX9701 oscillator can be synchronized to an external  
clock through the SYNC input, allowing synchronization of  
multiple Maxim Class D amplifiers. The sync output  
(SYNC_OUT) can be used for a master-slave application  
where more channels are required. The MAX9701 fea-  
tures a fully differential architecture, a full bridge-tied load  
(BTL) output, and comprehensive click-and-pop suppres-  
sion. The device features internally set gains of 0dB, 6dB,  
12dB, and 18dB selected through two gain-select inputs,  
further reducing external component count.  
o Short-Circuit and Thermal-Overload Protection  
o Available in Thermally Efficient, Space-Saving  
Packages  
24-Pin Thin QFN-EP (4mm x 4mm x 0.8mm)  
20-Bump UCSP (2mm x 2.5mm x 0.6mm)  
The MAX9701 features high 80dB PSRR, less than 0.1%  
THD+N, and SNR in excess of 88dB. Short-circuit and  
thermal-overload protection prevent the device from  
being damaged during a fault condition. The MAX9701 is  
available in 24-pin thin QFN-EP (4mm x 4mm x 0.8mm),  
and 20-bump UCSP™ (2mm x 2.5mm x 0.6mm) pack-  
ages. The MAX9701 is specified over the extended  
-40°C to +85°C temperature range.  
Ordering Information  
PART  
TEMP RANGE  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
20 UCSP  
MAX9701EBP+TG45  
MAX9701ETG+  
24 TQFN-EP*  
+Denotes lead(Pb)-free/RoHS-compliant package.  
*EP = Exposed pad.  
Applications  
Cellular Phones  
Notebooks  
Block Diagram  
V
DD  
Handheld Gaming Consoles  
Docking Stations  
MP3 Players  
MAX9701  
INR+  
INR-  
RIGHT  
MODULATOR  
AND H-BRIDGE  
GAIN1  
GAIN2  
GAIN  
Pin Configurations appear at end of data sheet.  
INL+  
LEFT  
MODULATOR  
AND H-BRIDGE  
INL-  
OSCILLATOR  
SYNC  
SYNC_OUT  
UCSP is a trademark of Maxim Integrated Products, Inc.  
________________________________________________________________ Maxim Integrated Products  
1
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.  
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