MV8865 Datasheet - Plessey

MV8865 DTMF FILTER

1 FL Low group limiter output. 2 FLT Test output. Monitors low group filter output. Decouple to Vss with 680pF capacitor. 3 NC Not connected. 4 INPUT Tone signal input (single ended). 5 n V.

MV8865 MV8865 DTMFFILTER The MV8865 contains both the high group and low group filtering and comparator functions required to implement a Dual Tone Multi Frequency tone receiver using a DTMF Digital Detector (Le. MV8860/62/63). Switched capacitor techniques are used to implement the filters and the deviceJs fabricated using Plessey Semiconductors' high density ISO/CMOS technology. The filter clocks are derived from an on-chip oscillator requiring only a low cost TV crystal as an external compo.

MV8865 Features

* Provides DTMF High and Low Group Filtering

* Hard Limiting on Filter Outputs

* 6 Pole Band Pass High and Low Group Filters

* 38dB Intergroup Attenuation

* Dial Tone Suppression

* +5 to +12 V Siflgle Supply Operation

* Logical Power Down

MV8865 Datasheet (214.23 KB)

MV8865 Datasheet Preview — Preview of MV8865 PDF

Datasheet Details

Part number:

MV8865

Manufacturer:

Plessey

File Size:

214.23 KB

Description:

Dtmf filter.

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MV8865 DTMF FILTER Plessey

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