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MAX20317EWP+T

更新时间： 2024-09-12 14:53:03
品牌 Logo 应用领域
美信 - MAXIM 商用集成电路
页数 文件大小 规格书
47页 751K
描述
Consumer Circuit,

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中文翻译

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MAX20317EWP+T 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：,Reach Compliance Code：compliant
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：5.64商用集成电路类型：CONSUMER CIRCUIT
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

MAX20317EWP+T 数据手册

 浏览型号MAX20317EWP+T的Datasheet PDF文件第2页浏览型号MAX20317EWP+T的Datasheet PDF文件第3页浏览型号MAX20317EWP+T的Datasheet PDF文件第4页浏览型号MAX20317EWP+T的Datasheet PDF文件第5页浏览型号MAX20317EWP+T的Datasheet PDF文件第6页浏览型号MAX20317EWP+T的Datasheet PDF文件第7页 
MAX20317  
Universal 3.5mmØ Accessory Management IC  
General Description  
Benefits and Features  
● Allows Wide Range of Applications by Supporting  
2
The MAX20317 is an I C controllable, universal 3.5mmØ  
accessory management IC. The device provides a universal  
jack interface solution, as well as a compact solution for  
the power management and interface control of a powered  
accessory, such as an active noise cancelling (ANC)  
headset.  
The MAX20317 automatically measures headset  
impedance with a high precision, triple current source  
8 bit ADC. After impedance detection, the device also  
detects when a headset is in a CTIA or OMTP configuration  
and automatically configures the SLEEVE and RING2  
terminals to correctly connect the microphone and ground  
lines.  
When a boost supply is applied, the MAX20317 can  
detect the presence of an ANC headset. When the ANC  
headset is detected and enabled, a button-press monitoring  
circuit activates and flags button presses by detecting the  
voltage drop across a sense resistor.  
The MAX20317 provides a power line communication tool  
to a headset to exchange the data with the host device.  
The MAX20317 has the two separate ground sense inputs  
from the SLEEVE and RING2 terminals of the connector  
to provide a high ground isolation to the audio codec.  
Universal 3.5mm Jack Types  
• Auto-Configuration for CTIA and OMTP Headsets  
• Supports MEMS Microphone  
• 50mΩ Ground Switch  
● Enables Long Utilization of Accessories by Supplying  
Power Through 3.5mm Jack  
• Powered Accessory/Headset Detection  
• Bypass Switch to Power Accessories such as  
ANC Headsets  
• Programmable Button Detection in Powered  
Accessory Mode  
● Empowers New Path in Data Communication to  
Accessories  
• Power Line Communication by 3.5mm Jack  
• Bidirectional Digital Data Communication in Power  
Mode  
• Allow Emergence of New Accessory Types  
● Provides Comfortable Sounds by Introducing  
Automatic Volume Adjustment  
• Adaptive Volume Control Based on Precision  
Headset Impedance  
• False Insertion Detection  
The MAX20317 is available in a space-saving, 20-bump,  
0.4mm pitch, 1.65mm x 2.05mm wafer-level package  
(WLP) and operates over the -40°C to +85°C extended  
temperature range.  
● Saves Board Space with Small Form Factor  
• 1.65mm x 2.05mm 4 x 5 Array 20 Bump 0.4mm  
Pitch WLP  
Applications  
● Smart Phones  
Ordering Information appears at end of data sheet.  
● Tablet PCs  
● Phablet  
● Notebook PCs  
Typical Application Circuit  
CODEC  
VCC  
+5V  
MIC1  
MIC1-BIAS  
R-G L-G R-A L-A  
1µF  
1µF  
6.8  
VIO  
RSEN  
MIC_OUT  
V
CC  
V
BOOST  
G_SNSR  
G_SNSL  
SLEEVE  
APPLICATION  
PROCESSOR  
MIC  
MAX20317  
LEFT  
DET  
RING2  
DETIN  
SDA  
SCL  
SDA  
SCL  
INT  
SLEEVE_SL  
RIGHT  
GND  
SLEEVE_SR  
RING2_SL  
RING2_SR  
DGND  
GND  
19-100037; Rev 0; 5/17  
1234567...47

中文翻译

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