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MAX9796 PDF预览

MAX9796

更新时间: 2024-01-28 22:33:01
品牌 Logo 应用领域
美信 - MAXIM 放大器
页数 文件大小 规格书
27页 359K
描述
2.3W, High-Power Class D Audio Subsystem with DirectDrive Headphone Amplifiers

MAX9796 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:BGA
包装说明:VFBGA, BGA36,6X6,20针数:36
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.75
Is Samacsys:N信道分离:75 dB
商用集成电路类型:VOLUME CONTROL CIRCUITJESD-30 代码:S-PBGA-B36
JESD-609代码:e3长度:3.06 mm
湿度敏感等级:1信道数量:2
功能数量:1端子数量:36
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:BGA36,6X6,20封装形状:SQUARE
封装形式:GRID ARRAY, VERY THIN PROFILE, FINE PITCH峰值回流温度(摄氏度):260
电源:3.3 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:21 mA最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):2.7 V表面贴装:YES
技术:BICMOS温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)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:3.06 mm
Base Number Matches:1

MAX9796 数据手册

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19-0866; Rev 0; 7/07  
2.3W, High-Power Class D Audio Subsystem  
with DirectDrive Headphone Amplifiers  
MAX796  
General Description  
The MAX9796 combines a high-efficiency Class D, mono  
audio power amplifier with a mono DirectDrive™ receiver  
amplifier and a stereo DirectDrive headphone amplifier.  
Features  
o Unique Spread-Spectrum Modulation and Active  
Emissions Limiting Significantly Reduces EMI  
o Up to 3 Stereo Inputs  
o 2.3W Mono Speaker Output (4, V  
= 5V)  
DD  
Maxim’s 3rd-generation, ultra-low EMI, Class D audio  
power amplifiers provide Class AB performance with  
Class D efficiency. The MAX9796 delivers 2.3W into a 4Ω  
load from a 5V supply and offers efficiencies up to 80%.  
Active emissions limiting circuitry and spread-spectrum  
modulation greatly reduce EMI, eliminating the need for  
output filtering found in traditional Class D devices.  
o 50mW Mono Receiver/Stereo Headphone Outputs  
(32, V = 3.3V)  
DD  
o High PSRR (68dB at 217Hz)  
o 80% Efficiency (V  
= 3.3V, R = 8, P  
=
OUT  
DD  
L
600mW)  
2
o I C Control—Input Configuration, Volume  
The MAX9796 features a fully differential architecture, a  
full-bridged output, and comprehensive click-and-pop  
suppression. The device utilizes a flexible, user-defined  
mixer architecture that includes an input mixer, volume  
control, and output mixer. All controls are done through  
Control, Output Mode  
o Click-and-Pop Suppression  
o Low Total Harmonic Distortion (0.03% at 1kHz)  
o Current-Limit and Thermal Protection  
2
an I C interface.  
o Available in Space-Saving, 36-Bump UCSP  
(3mm x 3mm)  
The mono receiver amplifier and stereo headphone  
amplifier use Maxim’s patentedDirectDrive architecture,  
that produces a ground-referenced output from a single  
supply, eliminating the need for large DC-blocking  
capacitors, saving cost, space, and component height.  
Ordering Information  
PIN-  
PACKAGE  
PKG  
CODE  
PART  
TEMP RANGE  
The MAX9796 is available in a 36-bump UCSP™ (3mm  
x 3mm) package and is specified over the extended  
-40°C to +85°C temperature range.  
MAX9796EBX+T -40°C to +85°C 36 UCSP-36*  
B36-4  
+Denotes a lead-free package.  
*Four center bumps depopulated.  
U.S. Patent # 7,061,327  
Pin Configuration  
Applications  
Cell Phones  
TOP VIEW  
(BUMPS ON BOTTOM)  
Portable Multimedia Players  
Handheld Gaming Consoles  
1
2
3
4
5
6
Simplified Block Diagram  
CPV  
C1P  
CPGND  
C1N  
CPV  
HPL  
DD  
SS  
A
B
SINGLE SUPPLY 2.7V TO 5.5V  
PV  
DD  
I.C.  
SDA  
VBIAS  
V
INC1  
HPR  
SS  
GAIN  
CONTROL  
OUT+  
PGND  
OUT-  
INC2  
INB2  
INB1  
OUTRx  
C
D
E
MAX9796  
SCL  
V
DD  
MIXER/  
MUX  
2
I C  
SHDN  
INA1  
INA2  
I.C.  
INTERFACE  
PV  
DD  
OUT-  
PGND  
OUT+  
PV  
GND  
DD  
F
MAX9796  
UCSP  
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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