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MAX9875ERP+TG45

更新时间： 2024-01-14 09:49:29
品牌 Logo 应用领域
美信 - MAXIM 音频控制集成电路消费电路商用集成电路放大器信息通信管理
页数 文件大小 规格书
30页 535K
描述
Low RF Susceptibility, Mono Audio Subsystem with DirectDrive Headphone Amplifier

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MAX9875ERP+TG45 技术参数

是否Rohs认证： 符合生命周期：Active
零件包装代码：BGA包装说明：VFBGA, BGA20,4X5,20
针数：20Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.73Is Samacsys：N
信道分离：65 dB商用集成电路类型：VOLUME CONTROL CIRCUIT
JESD-30 代码：R-PBGA-B20长度：2.64 mm
信道数量：1功能数量：1
端子数量：20最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：VFBGA封装等效代码：BGA20,4X5,20
封装形状：RECTANGULAR封装形式：GRID ARRAY, VERY THIN PROFILE, FINE PITCH
峰值回流温度（摄氏度）：NOT SPECIFIED电源：3.7 V
认证状态：Not Qualified座面最大高度：0.67 mm
子类别：Audio/Video Amplifiers最大压摆率：16 mA
最大供电电压 (Vsup)：5.25 V最小供电电压 (Vsup)：2.7 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
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：2.02 mm
Base Number Matches：1

MAX9875ERP+TG45 数据手册

 浏览型号MAX9875ERP+TG45的Datasheet PDF文件第2页浏览型号MAX9875ERP+TG45的Datasheet PDF文件第3页浏览型号MAX9875ERP+TG45的Datasheet PDF文件第4页浏览型号MAX9875ERP+TG45的Datasheet PDF文件第5页浏览型号MAX9875ERP+TG45的Datasheet PDF文件第6页浏览型号MAX9875ERP+TG45的Datasheet PDF文件第7页 
19-4536; Rev 0; 3/09  
Low RF Susceptibility, Mono Audio  
Subsystem with DirectDrive Headphone Amplifier  
MAX9875  
General Description  
Features  
♦ Low Emissions, Filterless Class D Amplifier  
The MAX9875 combines a high-efficiency Class D  
audio power amplifier with a stereo Class AB capacitor-  
less DirectDrive® headphone amplifier. Maxim’s 3rd  
generation, filterless Class D amplifier with active emis-  
sions limiting technology provides Class AB perfor-  
mance with Class D efficiency.  
Achieves Better than 10dB Margin Under EN55022  
Class B Limits  
♦ Low RF Susceptibility Design Rejects TDMA  
Noise from GSM Radios  
♦ Input Mixer with User-Defined Input Mode  
♦ 725mW Speaker Output (R  
= 8Ω, PVDD = 3.7V)  
SPK  
The MAX9875 delivers up to 725mW from a 3.7V supply  
into an 8Ω load with 87% efficiency to extend battery life.  
The filterless modulation scheme combined with active  
emissions limiting circuitry and spread-spectrum modu-  
lation greatly reduces EMI while eliminating the need for  
output filtering used in traditional Class D devices.  
♦ 53mW Headphone Output (R = 16Ω, V  
= 3.7V)  
DD  
HP  
♦ Low 0.05% THD+N at 1kHz (Class D Power  
Amplifier)  
♦ Low 0.016% THD+N at 1kHz (Headphone  
Amplifier)  
♦ 87% Efficiency (R  
= 8Ω, P  
= 750mW)  
SPK  
OUT  
The stereo Class AB headphone amplifier in the  
MAX9875 uses Maxim’s patented DirectDrive architec-  
ture, that produces a ground-referenced output from a  
single supply, eliminating the need for large DC-blocking  
capacitors, saving cost, space, and component height.  
♦ High Speaker Amplifier PSRR (72dB at 217Hz)  
♦ High Headphone Amplifier PSRR (84dB at 217Hz)  
♦ I2C Control  
♦ Hardware and Software Shutdown Mode  
♦ Click-and-Pop Suppression  
♦ Current-Limit and Thermal Protection  
♦ Available in a Space-Saving, 2.5mm x 2.0mm WLP  
Package  
The device utilizes a user-defined input architecture,  
three preamplifier gain settings, an input mixer, volume  
control, comprehensive click-and-pop suppression, and  
I2C control.  
The MAX9875 is available in a thermally efficient,  
space-saving 20-bump WLP package.  
Ordering Information  
Applications  
PART  
TEMP RANGE  
PIN-PACKAGE  
MAX9875ERP+TG45  
-40°C to +85°C  
20 WLP (5x4)  
Cell Phones  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
T = Tape and reel.  
G45 indicates protective die coating.  
Portable Multimedia Players  
DirectDrive is a registered trademark of Maxim Integrated  
Products, Inc.  
Simplified Block Diagram  
Pin Configuration  
SINGLE SUPPLY  
2.7V TO 5.25V  
TOP VIEW  
(BUMP SIDE DOWN)  
2
3
4
1
5
VOLUME  
A
PREAMPLIFIER  
CONTROL  
HPR  
HPL  
V
C1N  
N.C.  
C1P  
SS  
SDA  
SCL  
MIXER/MUX  
B
V
DD  
BIAS  
OUT+  
VOLUME  
CONTROL  
2
C
D
I C  
INTERFACE  
INB2  
INA2  
INB1  
INA1  
PGND  
N.C.  
PVDD  
OUT-  
GND  
MAX9875  
WLP  
________________________________________________________________ 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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