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FX631

Features: ·Detects 12kHz and 16kHz SPM Frequencies·Low Power wer (3.0 Volt olt MIN <1.0mA) Operation·High Speec Speechband hband RejectionProperties·Tone-one-Follo Follower wer and P Pac ac acket ket Mode OutputsApplication·Comple Complex x and/or Simple Telephone elephone Systems·Call-Char Cha...

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SeekIC No. : 004345802 Detail

FX631: Features: ·Detects 12kHz and 16kHz SPM Frequencies·Low Power wer (3.0 Volt olt MIN <1.0mA) Operation·High Speec Speechband hband RejectionProperties·Tone-one-Follo Follower wer and P Pac ac acket...

FX631 Data Sheet

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Part Number:
FX631
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

·Detects 12kHz and 16kHz SPM Frequencies
·Low Power wer (3.0 Volt olt MIN <1.0mA) Operation
·High Speec Speechband hband Rejection Properties
·Tone-one-Follo Follower wer and P Pac ac acket ket Mode Outputs



Application

·Comple Complex x and/or Simple Telephone elephone Systems
·Call-Char Charge/-e/-Log Logging ging Systems


Specifications

Supply voltage ........................................................................-0.3 to 7.0V
Input voltage at any pin (ref VSS = 0V) .....................-0.3 to (VDD + 0.3V)
Sink/source current (supply pins) ...............................................+/- 30mA
(other pins) ................................................................................+/- 20mA
Total device dissipation (DW/P) @ TAMB 25°C ......................800mW Max.
(D5) @ TAMB 25°C ................................................................550mW Max.
Derating (DW/P) .......................................................................10mW/°C
(D5) ............................................................................................9mW/°C
Operating Temperature (TOP): FX631DW/D5/P .............-40°C to +85°C
Storage temperature range (TST): FX631DW/D5/P....... -40°C to +85°C


Description

The FX631 is a low-power, system-selectable Subscriber Pulse Metering (SPM) detector to indicate the presence, on a telephone line, of both 12kHz and 16kHz telephone call-charge frequencies.

Deriving FX631's input directly from the telephone line,input amplitude/sensitivities are component adjustable to the user's national 'Must/Must-Not Decode' specifications via an on-chip input amplifier, whilst the 12kHz and 16kHz frequency limits are accurately defined by the use of an external 3.579545MHz telephone-system Xtal or clock-pulse input.

The FX631, which demonstrates high 12kHz and 16kHz performance in the presence of both voice and noise, can operate from either a single or differential analogue signal input from which it will produce two individual logic outputs.




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