Part number:
SM8221
Manufacturer:
Nippon Precision Circuits Inc
File Size:
82.58 KB
Description:
Calling number identification receiver.
SM8221_NipponPrecisionCircuitsInc.pdf
Datasheet Details
Part number:
SM8221
Manufacturer:
Nippon Precision Circuits Inc
File Size:
82.58 KB
Description:
Calling number identification receiver.
SM8221, Calling Number Identification Receiver
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.
Ring Input: This pin is connected to the ring side of the twisted pair
SM8220/SM8221 NIPPON PRECISION CIRCUITS INC.
Calling Number Identification Receiver IC OVERVIEW The SM8220/SM8221 Calling Number Identification Receiver IC is a CMOS integrated circuit, which provides an interface to various calling information delivery services such as Calling Number Delivery (CND) and Calling Name Delivery (CNAM) compatible with the Bellcore GR-30-CORE.
The device also contains a power down circuit, a ring detect circuit and a carrier detect circuit for easier system impleme
SM8221 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 cur
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