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LE79252BTC

Telecom IC 44-TQFP

LE79252BTC General Description

Telecom IC 44-TQFP

le79252btc

Key Features

  • Monitor of two-wire interface voltages and currents supports
  • Voice transmission
  • Internal ringing generation
  • Programmable DC feed characteristics
  • Independent of battery
  • Current limited
  • Selectable off-hook and ground-key thresholds
  • Subscriber line diagnostics
  • Leakage resistance
  • Loop resistance
  • Line capacitance
  • Bell capacitance
  • Foreign voltage sensing
  • Power cross and fault detection
  • Supports 85 Vrms internal ringing
  • 3.3 V and battery supplies
  • Dual battery operation for system power saving
  • Automatic battery switching
  • Intelligent thermal management
  • Compatible with inexpensive protection networks
  • Accommodates low tolerance fuse resistors or PTC thermistors
  • Metering capable
  • 12 kHz and 16 kHz
  • Smooth polarity reversal
  • Tip-open state supports ground start signaling
  • Integrated test load switch/relay drivers
  • 5 REN with DC offset

Application

  • Enables a cost effective voice solution for long or short loop applications providing POTS and integrated test capabilities
  • CO
  • DLC
  • IVD
  • Voice-enabled DSLAM
  • PBX/KTS
  • Pair gain

Specifications

Category Integrated Circuits (ICs)InterfaceTelecom Series -
Function - Interface 2-Wire
Number of Circuits 1 Voltage - Supply -
Current - Supply - Operating Temperature -
Mounting Type Surface Mount Base Product Number LE79252

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Ratings and Reviews

More
N
N**h 09/06/2023

Good afternoon! Got a set of shrink tubes. I didn't wait long. I did not communicate with the seller. Packing is good. The seller sent. I got the seller reliable.

4
J
J**n 08/07/2023

Fast delivery (9 days to lipetsk). Everything works

19

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Availability: 6084 PCS

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