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  • MT8870 IC - (SMD SOIC-18 Package) - Integrated DTMF Receiver IC

The MT8870D/MT8870D-1 is a complete DTMF receiver integrating both the band split filter and digital decoder  functions. The filter section uses switched capacitor techniques for high and low group filters; the decoder uses digital counting techniques to detect and decode all 16 DTMF tone-pairs into a 4-bit code. External component count is minimized by on chip provision of a differential input amplifier, clock oscillator and latched three-state bus interface


Features:-

  • Complete DTMF Receiver 
  • Low power consumption 
  • Internal gain setting amplifier 
  • Adjustable guard time 
  • Central office quality 
  • Power-down mode 
  • Inhibit mode 
  • Backward compatible with MT8870C/MT8870C-1


Applications:-

  • Receiver system for British Telecom (BT) or CEPT Spec (MT8870D-1)
  • Paging systems
  • Repeater systems/mobile radio
  • Credit card systems
  • Remote control
  • Personal computers
  • Telephone answering machine


Specifications:-

SymbolParameterMinMaxUnits
VDDDC Power Supply Voltage 
7V
VIVoltage on any pin VSS-0.3 VDD+0.3V
IICurrent at any pin (other than supply)
10m A
TSTGStorage temperature-65150°C
PDPackage power dissipation
500 m W


Package Includes:-

1 x MT8870 IC - (SMD SOIC-18 Package) - Integrated DTMF Receiver IC

Brand/Manufacturer Generic
Country Of Origin China
Packer / Importer Address Constflick Technologies Limited, Building No 13 and 14, 3rd Floor, 2nd Main, Siddaiah Road, Bangalore, Karnataka - 560027 India.
MRP Rs. 112.1 (Inclusive of all Taxes)
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* Product Images are shown for illustrative purposes only and may differ from actual product.

MT8870 IC - (SMD SOIC-18 Package) - Integrated DTMF Receiver IC

  • Product Code: EC-17571
  • Availability: 30
  • Rs.95.00
  • (Excluding 18% GST)

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