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KA2418B Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
KA2418BSAMSUNG2932Yes

KA2418B is a dual-tone multi-frequency (DTMF) receiver IC manufactured by Samsung.

The KA2418B is a dual-tone multi-frequency (DTMF) receiver IC manufactured by Samsung. Below are its specifications, descriptions, and features:

Specifications:

  • Supply Voltage (VCC): 3V to 10V
  • Operating Temperature Range: -20°C to +70°C
  • Power Consumption: Low standby current
  • Package Type: 18-pin DIP (Dual In-line Package)
  • Input Frequency Range: DTMF signal decoding (697Hz to 1633Hz)
  • Output: 4-bit binary code corresponding to DTMF tones

Descriptions:

The KA2418B is a DTMF receiver designed to decode the standard 16 DTMF tone pairs into a 4-bit binary output. It is commonly used in telecommunication systems, remote control applications, and security systems. The IC includes a band-split filter and digital decoding functions to accurately detect and decode DTMF signals.

Features:

  • Dual-Tone Detection: Recognizes all 16 standard DTMF tone pairs.
  • Built-in Band-Split Filter: Separates high and low group tones.
  • Digital Counting Technique: Ensures accurate decoding.
  • Low Power Consumption: Suitable for battery-operated devices.
  • Simple Interface: Directly outputs 4-bit binary code.
  • No External Filter Required: Integrated filtering reduces external component count.

This information is based on the manufacturer's datasheet and technical documentation.

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