Datasheet Details
| Part number | HC3-55564-5 |
|---|---|
| Manufacturer | Intersil (now Renesas) |
| File Size | 69.63 KB |
| Description | Continuously Variable Slope Delta-Modulator (CVSD) |
| Datasheet |
 HC3-55564-5 Datasheet
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General Description
The HC-55564 is a half duplex modulator/demodulator CMOS intergrated circuit used to convert voice signals into serial NRZ digital data and to reconvert that data into voice.
The conversion is by delta-modulation, using the Continuously Variable Slope (CVSD) method of modulation/demodulation.
Key Features
- All Digital.
- Requires Few External Parts.
- Low Power Drain: 1.5mW Typical From Single 4.5V To 6V Supply.
- Time Constants Determined by Clock Frequency; No Calibration or Drift Problems: Automatic Offset Adjustment.
- Half Duplex Operation Under Digital Control.
- Filter Reset Under Digital Control.
- Automatic Overload Recovery.
- Automatic “Quiet” Pattern Generation.
- AGC Control Signal Available.