MAX20317EWP+T MAX20317EVKIT# 有現貨 可添加我們聯系方式獲取最優惠價格
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說明
The MAX20317 is an I2C 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.
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.
Allows Wide Range of Applications by Supporting 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
Saves Board Space with Small Form Factor
1.65mm x 2.05mm 4 x 5 Array 20-Bump 0.4mm Pitch WLP
應用筆記本PC
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智能電話
平板PC
相關資料
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參考設計
深圳市燁弘軒電子有限公司，我司2011年成立于中國經濟特區深圳.我司專注于為全球電子企業提供優質的電子零件供應服務，竭力打造全球品牌元器件零售與批量供應中心。專業經營各類電子元器件（集成電路IC，存儲芯片，分立器件,電源,無源元件,連接器,繼電器,傳感器,光電子,開關,保險元件,緊固件,開發工具,變壓器,測試與測量等）。 我們以低成本提供全方位一站式電子元件供應鏈采購方案，包括但不僅限于電子元件緊急物料搜尋，電子元件齊套供應、電子元件降低成本的長期供應，庫存寄售等一系列供應鏈解決方案。優勢供應各類電子組件.
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