TS3A227E Datasheet, PDF (15/59 Pages) Texas Instruments – Autonomous Audio Accessory Detection and Configuration Switch

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TS3A227E
SCDS358B – NOVEMBER 2014 – REVISED FEBRUARY 2015
Parameter Measurement Information (continued)
Network Analyzer
Source
Signal
50 Ω
V _MICP
V_{GND _SENSE}
V_{SLEEVE_ SENSE}
V_{RING2_ SENSE}
50 Ω
50 Ω
Switches
50 Ω
Audio Analyzer
Source
Signal
600 Ω
Figure 13. Channel Separation
V _MICP
Switch
600 Ω
V_{SLEEVE_ SENSE/RING2_ SENSE}
Figure 14. Total Harmonic Distortion (THD) and SNR
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