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MAX9856ATL/V+ PDF预览

MAX9856ATL/V+

更新时间： 2024-11-21 19:55:59
品牌 Logo 应用领域
美信 - MAXIM 放大器商用集成电路
页数 文件大小 规格书
46页 666K
描述
Audio Amplifier

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中文翻译

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MAX9856ATL/V+ 技术参数

是否Rohs认证： 符合生命周期：Obsolete
包装说明：,Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.33.00.01
风险等级：5.82商用集成电路类型：AUDIO AMPLIFIER
峰值回流温度（摄氏度）：NOT SPECIFIED处于峰值回流温度下的最长时间：NOT SPECIFIED
Base Number Matches：1

MAX9856ATL/V+ 数据手册

 浏览型号MAX9856ATL/V+的Datasheet PDF文件第2页浏览型号MAX9856ATL/V+的Datasheet PDF文件第3页浏览型号MAX9856ATL/V+的Datasheet PDF文件第4页浏览型号MAX9856ATL/V+的Datasheet PDF文件第5页浏览型号MAX9856ATL/V+的Datasheet PDF文件第6页浏览型号MAX9856ATL/V+的Datasheet PDF文件第7页 
19-1288; Rev 2; 12/11  
Low-Power Audio CODEC with  
DirectDrive Headphone Amplifiers  
MAX9856  
General Description  
Features  
o 1.71V to 3.6V Single-Supply Operation  
o Stereo 30mW DirectDrive Headphone Amplifier  
o Stereo 1V DirectDrive Line Outputs  
The MAX9856 is a high-performance, low-power stereo  
audio CODEC designed for MP3, personal media play-  
ers (PMPs), or other portable multimedia devices.  
Using on-board stereo DirectDrive® headphone ampli-  
fiers, the CODEC can output 30mW into stereo 32Ω  
headphones while operating from a single 1.8V power  
supply. Very low 9mW playback power consumption  
makes it an ideal choice for battery-powered applica-  
tions. The MAX9856 provides microphone input ampli-  
fiers, plus flexible input selection, signal mixing, and  
automatic gain control (AGC). Comprehensive load-  
impedance sensing allows the MAX9856 to autodetect  
most common audio and audio/video headset and jack  
plug types.  
RMS  
(V  
= 1.8V) and Stereo Line Inputs  
DD  
o Low-Noise Stereo and Mono Differential  
Microphone Inputs with Automatic Gain Control  
and Noise Quieting  
o 9mW Playback Power Consumption (V  
o 91dB 96kHz 18-Bit Stereo DAC  
o 85dB 48kHz 18-Bit Stereo ADC  
= 1.8V)  
DD  
o Supports Any Master Clock Frequency from  
10MHz to 60MHz  
o ADCs and DACs Can Run at Independent Sample  
Rates  
Outputs include stereo DirectDrive line outputs and  
DirectDrive headphone amplifiers. The stereo ADC can  
convert audio signals from either internal or external  
microphones that can be configured for single-ended  
or differential signal inputs. Line inputs can be config-  
ured as stereo, differential, or mono and fed through  
one channel of the microphone path. The analog inputs  
selected can be gain ranged or mixed with other input  
sources prior to conversion to digital. The ADC path  
also features programmable digital highpass filters to  
remove DC offset voltages and wind noise.  
o Flexible Audio Mixing and Volume Control  
o Clickless/Popless Operation  
o Headset Detection Logic  
2
o I C Control Interface  
Ordering Information  
PART  
TEMP RANGE  
-40°C to +85°C  
-40°C to +105°C  
PIN-PACKAGE  
40 TQFN-EP*  
40 TQFN-EP*  
MAX9856ETL+  
MAX9856GTL/V+  
+Denotes a lead-free/RoHS-compliant package.  
*EP = Exposed pad.  
/V denotes an automotive qualified part.  
The MAX9856 supports all common sample rates from  
8kHz to 48kHz in both master and slave mode. The ser-  
ial digital audio interfaces support a variety of formats  
2
including I S, left-justified, and PCM modes.  
Simplified Block Diagram  
The MAX9856 uses a thermally efficient, space-saving  
40-pin, 6mm x 6mm x 0.8mm TQFN package.  
DVDD AND DVDDS2  
1.71V TO 3.6V  
AVDD AND CPVDD  
1.71V TO 3.6V  
Applications  
MAX9856  
MP3 Players  
Personal Media Players  
Handheld Gaming Consoles  
Cellular Phones  
DAC  
AUXIN  
LINEIN1  
LINEIN2  
DIGITAL  
FILTERING  
AND  
MUX  
LEFT LINE  
OUT  
DAC  
ADC  
ADC  
ANALOG  
MIXERS  
MIXERS  
SDOUT  
SDIN  
BCLK  
LRCLK_D  
LRCLK_A  
RIGHT LINE  
OUT  
DIGITAL  
INTERFACE  
DIFF  
MIC  
Pin Configuration appears at end of data sheet.  
LEFT  
EXT  
MIC  
SDA  
SCL  
IRQ  
2
I C  
CLOCK  
CONTROL  
RIGHT  
EXT  
DirectDrive is a registered trademark of Maxim Integrated  
Products, Inc.  
MIC  
MCLK  
________________________________________________________________ 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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