TS3A225E

現行

具自動麥克風和接地偵測的 100-mΩ 音訊插孔開關

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產品規格表

document-pdfAcrobat Autonomous Audio Headset Switch datasheet (Rev. A) (英文)

TS3A225E

現行

產品規格表

立即訂購

產品詳細資料

Configuration

Audio jack

Number of channels

1

Protocols

Analog Audio

Ron (typ) (Ω)

0.07, 0.1

Supply current (typ) (µA)

8

Operating temperature range (°C)

-40 to 85

Features

Autonomous headset MIC/GND detection (3 or 4 pole), Integrated Codec Sense Line, Manual I2C control

Rating

Catalog

Configuration

Audio jack

Number of channels

1

Protocols

Analog Audio

Ron (typ) (Ω)

0.07, 0.1

Supply current (typ) (µA)

8

Operating temperature range (°C)

-40 to 85

Features

Autonomous headset MIC/GND detection (3 or 4 pole), Integrated Codec Sense Line, Manual I2C control

Rating

Catalog

WQFN (RTE)

16

9 mm² (3 mm × 3 mm)

DSBGA (YFF)

16

3.24 mm² (— mm × — mm)

V_DD Range = 2.7 V to 4.5 V
Break Before Make Stereo Jack Switches
Ron for Ground FET Switches
- WCSP Package: 70 mΩ
- QFN Package: 100 mΩ
Autonomous Detection of GND and MIC Connections
Detection Triggered by I²C or External Trigger Pin
HDA Compatible MIC Present Indicator
1.8V Compatible I²C Switch Control
ESD Performance Tested Per JESD 22:
- 2000-V Human-Body Model (A114-B, Class II)
- 500-V Charged-Device Model (C101)
ESD Performance (SLEEVE, RING2, TIP)
- ±8-kV Contact Discharge (IEC 61000-4-2)

V_DD Range = 2.7 V to 4.5 V
Break Before Make Stereo Jack Switches
Ron for Ground FET Switches
- WCSP Package: 70 mΩ
- QFN Package: 100 mΩ
Autonomous Detection of GND and MIC Connections
Detection Triggered by I²C or External Trigger Pin
HDA Compatible MIC Present Indicator
1.8V Compatible I²C Switch Control
ESD Performance Tested Per JESD 22:
- 2000-V Human-Body Model (A114-B, Class II)
- 500-V Charged-Device Model (C101)
ESD Performance (SLEEVE, RING2, TIP)
- ±8-kV Contact Discharge (IEC 61000-4-2)

The TS3A225E is an audio headset switch device. The device detects the presence of an analog microphone and switches a system analog microphone pin between different connectors in an audio stereo jack. The microphone connection in a stereo connector can be swapped with the ground connection depending on manufacturer. When the TS3A225E detects a certain configuration, the device automatically connects the microphone line to the appropriate pin. The device also reports the presence of an analog microphone on an audio stereo jack.

In some systems, it is desirable to connect the stereo jack pin to ground. The TS3A225E provides two internal low resistance (<100mΩ) FET switches for ground shorting.

The TS3A225E is an audio headset switch device. The device detects the presence of an analog microphone and switches a system analog microphone pin between different connectors in an audio stereo jack. The microphone connection in a stereo connector can be swapped with the ground connection depending on manufacturer. When the TS3A225E detects a certain configuration, the device automatically connects the microphone line to the appropriate pin. The device also reports the presence of an analog microphone on an audio stereo jack.

In some systems, it is desirable to connect the stereo jack pin to ground. The TS3A225E provides two internal low resistance (<100mΩ) FET switches for ground shorting.

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重要文件	類型	標題	格式選項	日期
*	資料表	Autonomous Audio Headset Switch datasheet (Rev. A)		2013/5/29
	應用說明	Selecting the Correct Texas Instruments Signal Switch (Rev. E)	PDF \| HTML	2022/6/2
	應用說明	CBT-C, CB3T, and CB3Q Signal-Switch Families (Rev. C)	PDF \| HTML	2021/11/19
	應用說明	Support Selfie Sticks Using a TS3A227E Audio Jack Switch		2016/3/4

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