ML7005 Overview
Description
The ML7005 is a multi-functional DTMF transceiver LSI with built-in a DTMF signal generator, a DTMF signal receiver, a call progress tone generator, a call progress tone detector, and a FAX (FX) signal detector. Each functional block can be controlled by an external MCU via a 4-bit processor interface.
Key Features
- Wide range of power supply voltage : +2.7 V to +5.5 V
- Low power consumption Operating mode : 4.0 mA (VDD = 3 V) Typ. Operating mode : 5.0 mA (VDD = 5 V) Typ. Power down mode : 1 mA Typ
- Built-in call progress tone generator
- Built-in FAX signal (FX: 1300 Hz) detector
- The DTMF signal generator, DTMF signal detector, call progress tone generator, and call progress tone detector can operate concurrently
- Built-in 3.579545 MHz crystal oscillator circuit