Single-Channel Subscriber Line lnterface Circuit (SLIC) 1CH-A SLIC

California Triangle provides a complete external exchange station (FXS) single-channel telephone interface solution, compliant with all relevant global standards. Compared to other competitors in the industry, the device is designed to use a capacitive boost tracking negative power supply, featuring low power consumption, low cost, and small area. Self-diagnosis and loop testing (MLT) are achieved through built-in DSP, monitoring ADC, and test load, providing better audio quality and DTMF (Dual Tone Multi Frequency) detection than PSTN (Public Switched Telephone Network).

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Technical Specifications

Model	Number of Voice Channels	Host Interface	Speech Coding	Caller ID Display	Dialing Detection	Line Monitoring	Temperature Range	Maximum Voltage	Packaging
1CH-A SLIC	1	SSI	A-Law μ-Law Linear PCM	DTMF FSK	DTMF	Support	0~+70C	-100V	QFN38
1CH-B SLIC	1	SPI/PCM	A-Law μ-Law Linear PCM	DTMF FSK	DTMF	Support	0~+70C	-100V	QFN42