Single-Chip Phone IC with Volume Control

ICM7115 is a CMOS single chip telephone integrated circuit that meets multiple PTT requirements, allowing phone manufacturers to have single board design for various countries. This reduces inventory and simplify manufacturing processes.\r\n\r\n ICM7115 integrates dialer, speech, and ringer circu ·Includes dialer, speech, and ringer circuit replacing two or more ICs.\r\n·Single board design meets multiple PTT requirements.\r\n·Support volume control.\r\n·Adjustable flash duration.\r\n·32-digit last number redial.\r\n·Selectable tone/pulse dialing.\r\n·13 to 70Hz ring frequency detection.\r\n;

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