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TS3A226AEYFFR データシート(PDF) 1 Page - Texas Instruments

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部品番号 TS3A226AEYFFR
部品情報  Autonomous Audio Headset Switch with Reduced GND Switch RON and FM Capability
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メーカー  TI1 [Texas Instruments]
ホームページ  http://www.ti.com
Logo TI1 - Texas Instruments

TS3A226AEYFFR データシート(HTML) 1 Page - Texas Instruments

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background image
S1
VDD
EN
MICP
SLEEVE
RING2
GNDA
Control
Logic
TS3A226AE
FET1
FET2
TIP
RING1
MIC_BIAS
MIC
R1
C2
Audio
Codec
FM Receiver
GNDB
TS3A226AE
www.ti.com
SCDS346A – JUNE 2013 – REVISED JULY 2013
Autonomous Audio Headset Switch with Reduced GND Switch RON and FM Capability
Check for Samples: TS3A226AE
1
FEATURES
DESCRIPTION
The TS3A226AE is an audio headset switch that
Ground FET Switches (60m
Ω typical)
detects 3- or 4-pole 3.5mm accessories. For a 4-pole
Autonomous Detection of Headset Types:
accessory with a microphone, the TS3A226AE also
3-Poles or 4-Poles (with MIC on SLEEVE or
detects the MIC location and routes the microphone
RING2)
and ground signals automatically. The ground signal
is routed through a pair of low-impedance ground
Microphone Line Switches
FETs (60m
Ω typical), resulting minimal impact on
Supports FM Signal Transmission Through the
audio
cross-talk
performance.
The
autonomous
Ground FETs
detection feature allows end users to plug in
Reduction of Click/Pop Noise
accessories with different audio pole configurations
into the mobile device and have them operate
VDD Range: 2.6 V – 4.7 V
properly
with
no
added
software
control
and
THD (Mic): 0.002% Typical
complexity. The ground FETs of the device are
Low Current Consumption: 6.5-µA Typical
designed to allow FM signal pass-through, making it
possible to use the ground line of the headset as an
±8kV Contract Discharge (IEC 61000-4-2) ESD
FM antenna in mobile audio application.
Performance on SLEEVE and RING2 Pins
The TS3A226AE is packaged within a 1.2mm ×
APPLICATIONS
1.2mm WCSP package, making it suitable for use in
mobile application.
Mobile Phones / Tablet PCs
Notebook/Ultrabook Computers
Figure 1. Typical Application Diagram
ORDERING INFORMATION
For the most current package and ordering information, see the Package Option Addendum at the end of this
document, or see the TI web site at www.ti.com
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright © 2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


同様の部品番号 - TS3A226AEYFFR

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