HT9170A DTMF Receiver IC SOIC-18 Touch Tone Decoder (HT9170A SMD IC)

The HT9170A is a high-performance DTMF (Dual Tone Multi Frequency) receiver IC designed to decode touch-tone signals used in telephone and communication systems. Housed in a SOIC-18 surface mount package, the IC integrates band-split filters and digital decoding circuitry to provide reliable detection of DTMF tones for remote control, telecommunication, security, and embedded system applications.

Key Features -

• DTMF tone receiver and decoder IC

• Integrated digital decoding circuitry

• Accurate touch-tone signal detection

• Low power consumption

• High noise immunity

• Fast and reliable tone recognition

• Built-in band-split filter

• CMOS technology

• SOIC-18 surface mount package

• Suitable for telecom and control applications

Specifications -

• Product type - DTMF Receiver IC

• Model - HT9170A

• Package type - SOIC-18

• Pin count - 18 Pin

• Function - Dual Tone Multi Frequency Decoder

• Technology - CMOS

• Operating voltage - 4.5V to 5.5V DC

• Output type - 4-Bit Digital Code

• Input type - DTMF Audio Signal

• Mounting type - Surface Mount

Applications -

• Telephone systems

• Remote control equipment

• Security systems

• Home automation

• Access control systems

• Telecommunication devices

• Embedded electronics

• Interactive voice response systems