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MX651

Features: · Rapid 18kHz tone encoder-decoder cantransfer NRZ data Tx up to 166bps Rx up to 62bps· 12kHz Subscriber Pulse Metering DetectorApplication· Meets European 12kHz SPM Frequency Specifications· Payphone Applications· Card Operated Telephone Installations· Component Adjustable Input Sensiti...

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SeekIC No. : 004431817 Detail

MX651: Features: · Rapid 18kHz tone encoder-decoder cantransfer NRZ data Tx up to 166bps Rx up to 62bps· 12kHz Subscriber Pulse Metering DetectorApplication· Meets European 12kHz SPM Frequency Specificatio...

MX651 Data Sheet

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Part Number:
MX651
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/26

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Product Details

Description



Features:

·  Rapid 18kHz tone encoder-decoder can transfer NRZ data Tx up to 166bps Rx up to 62bps
·  12kHz Subscriber Pulse Metering Detector


Application

·  Meets European 12kHz SPM Frequency Specifications
·  Payphone Applications
·  Card Operated Telephone Installations
·  Component Adjustable Input Sensitivity
·  Low Power 3.3V/5.0V Operation


Specifications

General
Min.
Max.
Units
Supply (VDD - VSS)
-0.3
7.0
V
Voltage on any pin (wrt VSS)
-0.3
VDD + 0.3
V
Current
VDD
-30
30
mA
VSS
-30
30
mA
Any other pins
-20
20
mA
DW / P Packages
Total Allowable Power Dissipation at TAMB = 25°C
800
mW
Derating above 25°C
13
mW/°C above 25°C
Operating Temperature
-40
85
°C
Storage Temperature
-55
-125
°C



Description

The MX651 is a low power integrated circuit which combines 12kHz Subscriber Pulse Metering (SPM) detection with
18kHz tone processing for anti-fraud purposes within a telephone system. Suitable for battery or line powered systems, the MX651 is protected from crosstalk and false decoding by employing high accuracy switched capacitor filters. By using simple logic or mProcessor control the MX651 will:

·  Decode 12kHz SPM pulses (in the presence of high level voice and 18kHz signaling) and provide a logic output.

·  Transmit an NRZ amplitude modulated 18kHz security tone to line.

·  Decode an incoming modulated 18kHz security tone (in the presence of high level voice and 12 kHz SPM tones) and provide a logic output.

The MX651 is available in a 16-pin SOIC (MX651DW) and a 16-pin PDIP (MX651P) package.




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