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MT8870 DTMF Receiver

Model : AIC-00011

TechshopBD, Bangladesh

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Price

1 - 9
BDT62.26

10 - 99
BDT61.44Save BDT 0.82

100 +
BDT61.12Save BDT 1.14

Green 11 Available

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Summary:
Integrated DTMF Receiver.

The MT8870D/MT8870D-1 is a complete DTMF receiver integrating both the bandsplit 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 tonepairs 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

  • Recommended Dc Power Supply:5.5V
  • RecommendedOperating Temperature:-40ºC to +85ºC
  • Power Dissipation:500 mW
  • Maximum Operating Supply Current:9mA
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