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MAX9702B PDF预览

MAX9702B

更新时间： 2024-02-10 22:12:20
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
32页 1406K
描述
1.8W, Filterless, Stereo, Class D Audio Power Amplifier and DirectDrive Stereo Headphone Amplifier

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MAX9702B 技术参数

是否无铅： 不含铅生命周期：Active
零件包装代码：QFN包装说明：5 X 5 MM, 0.80 MM HEIGHT, LEAD FREE, MO-220WHHD-2, TQFN-28
针数：28Reach Compliance Code：unknown
风险等级：5.73标称带宽：22 kHz
商用集成电路类型：AUDIO AMPLIFIERJESD-30 代码：S-XQCC-N28
JESD-609代码：e3长度：5 mm
湿度敏感等级：1信道数量：2
功能数量：1端子数量：28
最高工作温度：85 °C最低工作温度：-40 °C
标称输出功率：1.8 W封装主体材料：UNSPECIFIED
封装代码：HVQCCN封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
认证状态：COMMERCIAL座面最大高度：0.8 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端子面层：MATTE TIN
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：5 mmBase Number Matches：1

MAX9702B 数据手册

 浏览型号MAX9702B的Datasheet PDF文件第2页浏览型号MAX9702B的Datasheet PDF文件第3页浏览型号MAX9702B的Datasheet PDF文件第4页浏览型号MAX9702B的Datasheet PDF文件第5页浏览型号MAX9702B的Datasheet PDF文件第6页浏览型号MAX9702B的Datasheet PDF文件第7页 
19-3608; Rev 0; 6/05  
1.8W, Filterless, Stereo, Class D Audio Power  
Amplifier and DirectDrive Stereo Headphone Amplifier  
General Description  
Features  
♦ Patented Spread-Spectrum Modulation Reduces  
The MAX9702 combines a highly efficient Class D  
speaker amplifier with a high-linearity Class AB head-  
phone amplifier. This ensures maximum battery life in  
speaker mode and maximum performance in head-  
phone mode. The MAX9702 delivers up to 1.8W per  
channel into an 8Ω load from a 5V power supply.  
Maxim’s 2nd-generation, spread-spectrum modulation  
scheme renders the traditional Class D output filter  
unnecessary.  
EMI Emissions  
♦ Programmable Mono, Stereo, Mute, and Mix  
Functions  
♦ 1.1W Stereo Output (8Ω, V  
= 5V)  
DD  
♦ 48mW Headphone Output (32Ω, V  
= 3.3V)  
DD  
♦ 95% Efficiency (R = 8Ω, P = 1.1W)  
L
O
♦ High 73dB PSRR (f = 217Hz)  
♦ I2C Programmable Gain Up to +21dB  
The MAX9702 speaker amplifier offers two modulation  
schemes: a fixed-frequency (FFM) mode and a spread-  
spectrum (SSM) mode that reduces EMI-radiated emis-  
sions. The MAX9702 speaker amplifier features a fully  
differential architecture, full-bridged (BTL) output, and  
comprehensive click-and-pop suppression. The  
MAX9702 speaker amplifier features high 75dB PSRR,  
low 0.07% THD+N, and SNR in excess of 97dB. Short-  
circuit and thermal-overload protection prevent the  
device from being damaged during a fault condition.  
♦ Integrated Click-and-Pop Suppression  
♦ Low-Power Shutdown Mode (0.1µA)  
♦ Short-Circuit and Thermal-Overload Protection  
♦ ±8kV (HBM) ESD-Protected Headphone Driver  
Outputs  
Ordering Information  
I2C SLAVE  
ADDRESS  
PKG  
CODE  
PART  
PIN–PACKAGE  
The headphone amplifier uses Maxim’s patented  
DirectDriveTM architecture that produces a ground-ref-  
erenced output from a single supply, eliminating the  
need for large DC-blocking capacitors, saving cost,  
board space, and component height. A high 80dB  
PSRR and low 0.02% THD+N ensures clean, low-distor-  
tion amplification of the audio signal.  
28 TSSOP  
MAX9702EUI+  
MAX9702BEUI+  
MAX9702ETI+  
MAX9702BETI+  
1001100  
1001110  
1001100  
1001110  
U28-1  
U28-1  
28 TSSOP  
28 TQFN-EP*  
28 TQFN-EP*  
T2855-6  
T2855-6  
Note: All devices specified for -40°C to +85°C operating tem-  
2
An I C interface sets the speaker and headphone gain,  
mono, stereo, and mute functions.  
perature range.  
*EP = Exposed paddle.  
The MAX9702 is available in 28-pin thin QFN-EP (5mm  
x 5mm x 0.8mm) and 28-pin TSSOP packages. The  
MAX9702 is specified over the extended -40°C to  
+85°C temperature range.  
+ Denotes lead-free package.  
Simplified Block Diagram  
Applications  
RIGHT MODULATOR  
AND H-BRIDGE  
INR  
∑
∑
Cellular Phones  
Notebook PCs  
GAIN  
CONTROL  
INM  
INL  
PDAs  
LEFT MODULATOR  
AND H-BRIDGE  
Handheld Gaming Consoles  
Pin Configurations appear at end of data sheet.  
SHDN  
SDA  
SCL  
2
*Purchase of I C components from Maxim Integrated Products,  
Inc. or one of its sublicensed Associated Companies, conveys  
SYNC  
OSCILLATOR  
SYNC_OUT  
2
a license under the Philips I C Patent Rights to use these com-  
2
ponents in an I C system, provided that the system conforms  
MAX9702  
2
to the I C Standard Specification as defined by Philips.  
________________________________________________________________ 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...32

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