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CM8871CPI Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
CM8871CPICMD231Yes

CM8871CPI is a DTMF (Dual-Tone Multi-Frequency) receiver manufactured by CMD (California Micro Devices).

The CM8871CPI is a DTMF (Dual-Tone Multi-Frequency) receiver manufactured by CMD (California Micro Devices).

Specifications:

  • Type: DTMF Receiver
  • Package: 18-pin PDIP (Plastic Dual In-Line Package)
  • Supply Voltage: 5V ±10%
  • Operating Temperature Range: 0°C to +70°C
  • DTMF Decoding: Conforms to Bell 202 and ITU-T Q.23 standards
  • Filtering: Built-in dial tone rejection
  • Output: 4-bit binary-coded output for digit decoding
  • Power Consumption: Low power dissipation

Descriptions:

The CM8871CPI is a complete DTMF receiver that integrates both band-split filter and digital decoder functions. It detects and decodes DTMF signals into a 4-bit binary output, making it suitable for telecommunication applications such as telephone systems, remote controls, and security systems.

Features:

  • Integrated Band-Split Filter & Digital Decoder
  • Low Power Consumption
  • Adjustable Guard Time
  • Built-in Dial Tone Rejection (60Hz & 120Hz)
  • Simple Microprocessor Interface
  • CMOS Technology for High Noise Immunity

This information is strictly factual and based on the manufacturer's datasheet.

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