(Hong Kong)
Product Summary
The MT8870DS is anintegrated 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 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.
Parametrics
MT8870DS absolute maximum ratings: (1)DC power supply voltage: 7V; (2)voltage on any pin: VDD+0.3V; (3)Current at any pin: 10mA; (4)Storage temperature: -65 to 150℃; (5)package power dissipation: 500mW.
Features
MT8870DS features: (1)Complete DTMF Receiver; (2)Low power consumption; (3)Internal gain setting amplifier; (4)Adjustable guard time; (5)Central office quality; (6)Power-down mode; (7)Inhibit mode; (8)Backward compatible with.
Diagrams
| Image | Part No | Mfg | Description |  |
Pricing (USD) |
Quantity | ||||
|---|---|---|---|---|---|---|---|---|---|---|
 |
 MT8870DS |
Other |
|
Data Sheet |
Negotiable |
|
||||
| Image | Part No | Mfg | Description | |
Pricing (USD) |
Quantity | ||||
|
MT8804A |
Other |
|
Data Sheet |
Negotiable |
|
||||
|
MT8806 |
Other |
|
Data Sheet |
Negotiable |
|
||||
|
MT8808 |
Other |
|
Data Sheet |
Negotiable |
|
||||
|
MT8809 |
Other |
|
Data Sheet |
Negotiable |
|
||||
|
MT8812 |
Other |
|
Data Sheet |
Negotiable |
|
||||
|
MT8814 |
Other |
|
Data Sheet |
Negotiable |
|
||||
