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The RT8980H is a USB Type-C audio interface switch IC which supports analog audio headsets for mobile devices. The RT8980H provides a general USB Type-C port to pass USB2.0 data signal (DP, DN), sideband use signal, analog audio R L signal, and analog microphone signal. The RT8980H also supports high voltage protection for USB port and SBU port on USB Type-C receptacle side.
Power Supply : VCC = 2.7V to 5.5V
High Absolute Maximum Ratings, 24V of SBU1/2 and GSBU1/2. 20V of DPR/DNL
USB High Speed (480Mbps) Switch RON of 3Ω Typical
Audio Switch RON of 1Ω Typical
Negative Rail Capability : –3V to 3V
THD + N = –110dB; 1VRMS, f = 20Hz to 20kHz, 32Ω Load
OMTP and CTIA Pinout Support
Support Audio Sense GND Path
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