Datasheet Details
| Part number | SM8221 |
|---|---|
| Manufacturer | Nippon Precision Circuits Inc |
| File Size | 82.58 KB |
| Description | Calling Number Identification Receiver |
| Datasheet |
 SM8221 Datasheet
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General Description
Number SM8220 1 2 3 4 5 6 7 SM8221 1 2 3 TIP RING AGND RDIN RDRC RDET PDWN i i o si od o si Tip Input: This pin is connected to the tip side of the twisted pair telephone wires.
This pin must be DC isolated from the phone line.
Key Features
- Compatible with Bellcore GR-30-CORE.
- Integrated band pass filter.
- FSK demodulator Bell 202 and ITU-T V.23.
- High input sensitivity:.
- 48 dBm typical.
- Ring detect output.
- Carrier Detect Output (SM8220).
- Power down mode: 1µA power down current.
- Uses 3.579545 MHz crystal (SM8220) or external clock source.
- Power supply voltage: 3V to 5.5V.
- Low power consumption.
- Molybdenum-gate CMOS process.
- Packag.