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The TS3A226AEEVM is an evaluation module (EVM) for the Texas Instruments (TI) autonomous audio-headset switch. The EVM provides the basic functionality evaluation for theTS3A226AE device and provides peripheral connector for codec signal connection to MICP, TIP and RING1.
The TS3A226AE is an (...)
- Ground FET switches (60 mΩ typical)
- Autonomous detection of headset types:
3-Poles or 4-Poles (with MIC on SLEEVE or RING2)
- Microphone line switches
- Supports FM signal transmission through the ground FETs
- Reduction of click and pop noise
- VDD range: 2.6 V to 4.7 V
- THD (MIC): 0.002% typical
- Low current (...)
Design tools & simulation
SCDM156.ZIP (476 KB) - HSpice Model
Headset Detection Switch to Detect 3-Pole or 4-Pole 3.5mm Accessories
— This reference design is for autonomous audio headset switch applications. Some audio headsets have integrated analog microphones. The GND and MIC connections on the audio jack connector may be swapped depending on the manufacturer. This design has the ability to detect the presence of an analog (...)