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SM8221 - Calling Number Identification Receiver

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.

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.

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Datasheet preview – SM8221

Datasheet Details

Part number SM8221
Manufacturer Nippon Precision Circuits Inc
File Size 82.58 KB
Description Calling Number Identification Receiver
Datasheet download datasheet SM8221 Datasheet
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Full PDF Text Transcription

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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 implementation. 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.
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