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MAX9712ETB PDF预览

MAX9712ETB

更新时间： 2024-09-26 04:41:31
品牌 Logo 应用领域
美信 - MAXIM 音频放大器
页数 文件大小 规格书
18页 536K
描述
500mW, Low EMI, Filterless, Class D Audio Amplifier

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中文翻译

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MAX9712ETB 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：DFN包装说明：HVSON, SOLCC10,.11,20
针数：10Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.33.00.01
风险等级：5.87标称带宽：22 kHz
商用集成电路类型：AUDIO AMPLIFIER增益：12.04 dB
JESD-30 代码：S-XDSO-N10JESD-609代码：e0
长度：3 mm湿度敏感等级：1
信道数量：1功能数量：1
端子数量：10最高工作温度：85 °C
最低工作温度：-40 °C标称输出功率：0.7 W
封装主体材料：UNSPECIFIED封装代码：HVSON
封装等效代码：SOLCC10,.11,20封装形状：SQUARE
封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：245
电源：3.3 V认证状态：Not Qualified
座面最大高度：0.8 mm子类别：Audio/Video Amplifiers
最大压摆率：5.2 mA最大供电电压 (Vsup)：5.5 V
最小供电电压 (Vsup)：2.5 V表面贴装：YES
技术：BICMOS温度等级：INDUSTRIAL
端子面层：Tin/Lead (Sn/Pb)端子形式：NO LEAD
端子节距：0.5 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3 mm
Base Number Matches：1

MAX9712ETB 数据手册

 浏览型号MAX9712ETB的Datasheet PDF文件第2页浏览型号MAX9712ETB的Datasheet PDF文件第3页浏览型号MAX9712ETB的Datasheet PDF文件第4页浏览型号MAX9712ETB的Datasheet PDF文件第5页浏览型号MAX9712ETB的Datasheet PDF文件第6页浏览型号MAX9712ETB的Datasheet PDF文件第7页 
19-2917; Rev 1; 1/04  
500mW, Low EMI, Filterless,  
Class D Audio Amplifier  
General Description  
Features  
The MAX9712 mono class D audio power amplifier pro-  
vides class AB amplifier performance with class D effi-  
ciency, conserving board space, and extending battery  
life. Using a class D architecture, the MAX9712 delivers  
up to 500mW into an 8Ω load while offering efficiencies  
above 85%. A patented, low EMI modulation scheme  
renders the traditional class D output filter unnecessary.  
✕ Filterless Amplifier Passes FCC Radiated  
Emissions Standards with 100mm of Cable  
✕ Unique Spread-Spectrum Mode Offers 5dB  
Emissions Improvement Over Conventional  
Methods  
✕ Optional External SYNC Input  
✕ Simple Master-Slave Setup for Stereo Operation  
✕ 85% Efficiency  
The MAX9712 offers two modulation schemes: a fixed-  
frequency (FFM) mode, and a spread-spectrum (SSM)  
mode that reduces EMI-radiated emissions due to the  
modulation frequency. Furthermore, the MAX9712 oscil-  
lator can be synchronized to an external clock through  
the SYNC input, allowing the switching frequency to be  
user defined. The SYNC input also allows multiple  
MAX9712s to be cascaded and frequency locked, mini-  
mizing interference due to clock intermodulation. The  
device utilizes a fully differential architecture, a full-  
bridged output, and comprehensive click-and-pop sup-  
pression. The gain is internally set to +4V/V, further  
reducing external component count.  
✕ Up to 500mW into 8Ω  
✕ Low 0.01% THD+N  
✕ High PSRR (72dB at 217Hz)  
✕ Integrated Click-and-Pop Suppression  
✕ Low Quiescent Current (4mA)  
✕ Low-Power Shutdown Mode (0.1µA)  
✕ Short-Circuit and Thermal-Overload Protection  
✕ Available in Thermally Efficient, Space-Saving  
Packages  
The MAX9712 features high 72dB PSRR, a low 0.01%  
THD+N, and SNR in excess of 90dB. Short-circuit and  
thermal-overload protection prevent the device from  
damage during a fault condition. The MAX9712 is avail-  
able in 10-pin TDFN (3mm ✕ 3mm ✕ 0.8mm), 10-pin  
µMAX, and 12-bump UCSP™ (1.5mm ✕ 2mm ✕ 0.6mm)  
packages. The MAX9712 is specified over the extended  
-40°C to +85°C temperature range.  
10-Pin TDFN (3mm ✕ 3mm ✕ 0.8mm)  
10-Pin µMAX  
12-Bump UCSP (1.5mm ✕ 2mm ✕ 0.6mm)  
Ordering Information  
PIN/BUMP-  
PACKAGE  
TOP  
MARK  
Applications  
PART  
TEMP RANGE  
Cellular Phones  
PDAs  
MP3 Players  
MAX9712ETB  
MAX9712EUB  
MAX9712EBC-T  
-40°C to +85°C 10 TDFN  
-40°C to +85°C 10 µMAX  
-40°C to +85°C 12 UCSP-12  
AAI  
—
Portable Audio  
ABN  
Simplified Block Diagram  
V
DD  
Pin Configurations  
TOP VIEW  
DIFFERENTIAL  
AUDIO INPUT  
MODULATOR  
AND H-BRIDGE  
V
1
2
3
4
5
10 PV  
DD  
DD  
IN+  
IN-  
9
8
7
6
OUT-  
OUT+  
PGND  
SYNC  
MAX9712  
SYNC  
INPUT  
OSCILLATOR  
GND  
SHDN  
MAX9712  
TDFN/µMAX  
Pin Configurations continued at end of data sheet.  
UCSP is a trademark of Maxim Integrated Products, Inc.  
________________________________________________________________ Maxim Integrated Products  
1
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.  
1234567...18

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