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MAX9700DEBC+ PDF预览

MAX9700DEBC+

更新时间： 2024-11-23 13:11:11
品牌 Logo 应用领域
美信 - MAXIM 音频放大器
页数 文件大小 规格书
19页 533K
描述
Audio Amplifier, 1.6W, 1 Channel(s), 1 Func, BICMOS, PBGA12, UCSP-12

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MAX9700DEBC+ 技术参数

是否Rohs认证：符合生命周期：Active
包装说明：VFBGA,Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.33.00.01
风险等级：2.3Is Samacsys：N
标称带宽：22 kHz商用集成电路类型：AUDIO AMPLIFIER
增益：20 dBJESD-30 代码：R-PBGA-B12
长度：2.02 mm湿度敏感等级：1
信道数量：1功能数量：1
端子数量：12最高工作温度：85 °C
最低工作温度：-40 °C标称输出功率：1.6 W
封装主体材料：PLASTIC/EPOXY封装代码：VFBGA
封装形状：RECTANGULAR封装形式：GRID ARRAY, VERY THIN PROFILE, FINE PITCH
座面最大高度：0.67 mm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
端子形式：BALL端子节距：0.5 mm
端子位置：BOTTOM宽度：1.54 mm
Base Number Matches：1

MAX9700DEBC+ 数据手册

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19-3030; Rev 1; 6/04  
1.2W, Low-EMI, Filterless,  
Class D Audio Amplifier  
General Description  
Features  
♦ Filterless Amplifier Passes FCC Radiated  
The MAX9700 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 MAX9700 delivers  
1.2W into an 8Ω load while offering efficiencies above  
90%. A patented, low-EMI modulation scheme renders  
the traditional class D output filter unnecessary.  
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  
♦ 94% Efficiency  
The MAX9700 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 MAX9700 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  
MAX9700s 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 of the MAX9700 is set internally  
(MAX9700A: 6dB, MAX9700B: 12dB, MAX9700C:  
15.6dB, MAX9700D: 20dB), further reducing external  
component count.  
♦ 1.2W 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  
10-Pin TDFN (3mm ✕ 3mm ✕ 0.8mm)  
10-Pin µMAX  
12-Bump UCSP (1.5mm ✕ 2mm ✕ 0.6mm)  
Ordering Information  
The MAX9700 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 MAX9700 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 MAX9700 is specified over the extended  
-40°C to +85°C temperature range.  
PIN-  
PACKAGE  
TOP  
MARK  
PART  
TEMP RANGE  
MAX9700AETB  
MAX9700AEUB  
MAX9700AEBC-T  
MAX9700BETB  
MAX9700BEUB  
MAX9700BEBC-T  
-40oC to +85oC 10 TDFN  
-40oC to +85oC 10 µMAX  
-40oC to +85oC 12 UCSP-12  
-40oC to +85oC 10 TDFN  
-40oC to +85oC 10 µMAX  
-40oC to +85oC 12 UCSP-12  
ACM  
—
—
ACI  
—
Applications  
—
Cellular Phones  
PDAs  
MP3 Players  
Portable Audio  
Ordering Information continued at end of data sheet.  
Selector Guide appears at end of data sheet.  
Block Diagram  
Pin Configurations  
V
DD  
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  
MAX9700  
SYNC  
INPUT  
GND  
SHDN  
OSCILLATOR  
MAX9700  
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...19

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