產品詳細資料

Configuration Audio jack Features Adjustable De-Bounce Timings, Autonomous headset MIC/GND detection (3 or 4 pole), Click and pop noise reduction, FM transmission capability, Integrated Codec Sense Line, Key press detection, Manual I2C control, Power Off Noise Removal (depletion FETs) Supply voltage (min) (V) 2.5 Supply voltage (max) (V) 4.5 Supply current (typ) (µA) 11 Operating temperature range (°C) -40 to 85 Rating Catalog
Configuration Audio jack Features Adjustable De-Bounce Timings, Autonomous headset MIC/GND detection (3 or 4 pole), Click and pop noise reduction, FM transmission capability, Integrated Codec Sense Line, Key press detection, Manual I2C control, Power Off Noise Removal (depletion FETs) Supply voltage (min) (V) 2.5 Supply voltage (max) (V) 4.5 Supply current (typ) (µA) 11 Operating temperature range (°C) -40 to 85 Rating Catalog
DSBGA (YFF) 16 3.24 mm² 1.8 x 1.8 VQFN (RVA) 16 12.25 mm² 3.5 x 3.5
  • Supple Range of 2.5 V to 4.5 V
  • Accessory Insertion/Removal Detection with
    Adjustable De-bounce Timings
  • Accessory Configuration Detection:
    • Stereo 3-pole Headphone
    • 4-pole Standard Headset with MIC on Sleeve
    • 4-pole OMTP Headset with MIC on Ring2
  • Key Press Detection for Up to 4 Keys
  • Ultra Low Ground FET RON of 60 mΩ
  • Power Off Noise Removal
  • Isolation of MICBIAS From Audio Jack to Remove
    Click/Pop Noise
  • Integrated Codec Sense Line
  • Manual I2C Control
  • FM Transmission Capability
  • Dual Small Package Options
    • 16 Pin DSBGA
    • 16 Pin QFN
  • Supple Range of 2.5 V to 4.5 V
  • Accessory Insertion/Removal Detection with
    Adjustable De-bounce Timings
  • Accessory Configuration Detection:
    • Stereo 3-pole Headphone
    • 4-pole Standard Headset with MIC on Sleeve
    • 4-pole OMTP Headset with MIC on Ring2
  • Key Press Detection for Up to 4 Keys
  • Ultra Low Ground FET RON of 60 mΩ
  • Power Off Noise Removal
  • Isolation of MICBIAS From Audio Jack to Remove
    Click/Pop Noise
  • Integrated Codec Sense Line
  • Manual I2C Control
  • FM Transmission Capability
  • Dual Small Package Options
    • 16 Pin DSBGA
    • 16 Pin QFN

The TS3A227E is an autonomous audio accessory detection and configuration switch that detects 3-pole or 4-pole audio accessories and configures internal switches to route the signals accordingly.

The internal ground FETS of the TS3A227E have an ultra-low RON of 60 mΩ to minimize crosstalk impact. The ground FETs are also designed to pass FM signals, making it possible to use the ground line of the accessory as an FM antenna in mobile audio applications.

Internal isolation switches allow the TS3A227E to remove the click/pop noise that can be generated during and insertion or removal of an audio accessory. In addition depletion FETs prevent a floating ground while the device is unpowered, removing the humming noise present when leaving accessories plugged into an unpowered system.

A low-power sleep mode is provided which shuts down internal circuitry to achieve very low quiescent current draw when no headset is inserted.

The TS3A227E features integrated key press detection for detecting up to 4 keys with press and release support.

Manual I2C control allows the TS3A227E to adapt to application needs by providing control over de-bounce settings and switch states.

The TS3A227E is an autonomous audio accessory detection and configuration switch that detects 3-pole or 4-pole audio accessories and configures internal switches to route the signals accordingly.

The internal ground FETS of the TS3A227E have an ultra-low RON of 60 mΩ to minimize crosstalk impact. The ground FETs are also designed to pass FM signals, making it possible to use the ground line of the accessory as an FM antenna in mobile audio applications.

Internal isolation switches allow the TS3A227E to remove the click/pop noise that can be generated during and insertion or removal of an audio accessory. In addition depletion FETs prevent a floating ground while the device is unpowered, removing the humming noise present when leaving accessories plugged into an unpowered system.

A low-power sleep mode is provided which shuts down internal circuitry to achieve very low quiescent current draw when no headset is inserted.

The TS3A227E features integrated key press detection for detecting up to 4 keys with press and release support.

Manual I2C control allows the TS3A227E to adapt to application needs by providing control over de-bounce settings and switch states.

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類型 標題 日期
* Data sheet TS3A227E Autonomous Audio Accessory Detection and Configuration Switch datasheet (Rev. B) PDF | HTML 2015年 2月 5日
Application note Support Selfie Sticks Using a TS3A227E Audio Jack Switch 2016年 3月 4日
EVM User's guide TS3A227E-EVM User's Guide 2014年 12月 15日
Application note Preventing Excess Power Consumption on Analog Switches 2008年 7月 3日
Application note Semiconductor Packing Material Electrostatic Discharge (ESD) Protection 2004年 7月 8日

設計與開發

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開發板

TS3A227E-EVM — TS3A227E 評估模組

The TS3A227E-EVM is an evaluation module for TI’s autonomous audio-accessory switch with adjustable debounce settings, ultralow RON ground FETs, depletion FETs, key-press detection and manual I2C control.  The module lets you easily evaluate the device performance and functionality. (...)

使用指南: PDF
向經銷商購買
驅動程式或資料庫

TS3A227ESW-LINUX — 適用於 TS3A227E 的 Linux 驅動程式

The Linux driver supports the TS3A227E Autonomous Audio Accessory Detection and Configuration Switch. The Linux driver supports communication through the I2C bus and interfaces with the Linux Sound SoC Component framework.

 

Linux Mainline Status

Available in Linux Main line: Yes
Available through (...)

開發模組 (EVM) 的 GUI

SCDC005 TS3A227E GUI Firmware

支援產品和硬體

支援產品和硬體

產品
音訊開關
TS3A227E 具 I2C 的 60-mΩ、4.5-V、自動音訊配件偵測 & 配置開關
硬體開發
開發板
TS3A227E-EVM TS3A227E 評估模組
模擬型號

TS3A227E IBIS MODEL

SCDM167.ZIP (95 KB) - IBIS Model
模擬工具

PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
參考設計

TIDA-00565 — USB Type-C 音訊轉接器配件模式參考設計

The USB Type-C™ audio adapter accessory mode reference design provides the solution for transmitting analog audio through the USB Type-C interface.  This reference design demonstrates how analog audio can be transmitted to system peripherals using the USB Type-C standard audio adapter (...)
Design guide: PDF
電路圖: PDF
封裝 針腳 CAD 符號、佔位空間與 3D 模型
DSBGA (YFF) 16 Ultra Librarian
VQFN (RVA) 16 Ultra Librarian

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