TS3A225E

Name: TS3A225E
Brand: TI
SKU: TS3A225E
Price: 0.323 USD

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Interruptor de toma de audio de 100 mΩ con micrófono autónomo y detección de tierra

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Hoja de datos

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

TS3A225E

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Detalles del producto

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

Supply voltage (max) (V)

4.5

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

Supply voltage (max) (V)

4.5

DSBGA (YFF)

16

3.24 mm² 1.8 x 1.8

WQFN (RTE)

16

9 mm² 3 x 3

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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Documentación técnica

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=Principal documentación para este producto seleccionada por TI

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	Tipo	Título		Fecha
*	Data sheet	Autonomous Audio Headset Switch datasheet (Rev. A)		29 may 2013
	Application note	Selecting the Correct Texas Instruments Signal Switch (Rev. E)	PDF \| HTML	02 jun 2022
	Application note	CBT-C, CB3T, and CB3Q Signal-Switch Families (Rev. C)	PDF \| HTML	19 nov 2021
	Application note	Support Selfie Sticks Using a TS3A227E Audio Jack Switch		04 mar 2016
	Application note	Preventing Excess Power Consumption on Analog Switches		03 jul 2008
	Application note	Semiconductor Packing Material Electrostatic Discharge (ESD) Protection		08 jul 2004

Diseño y desarrollo

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