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LE57D121BTC +BOM

Telecom IC Subscriber Line Interface Concept (SLIC) 44-TQFP-EP (10x10)

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LE57D121BTC General Description

Telecom IC Subscriber Line Interface Concept (SLIC) 44-TQFP-EP (10x10)

le57d121btc le57d121btc

Key Features

  • Dual-Channel SLIC device with small footprint
  • Loop start and Ground start support
  • Optional dual battery operation
  • Supplies more than 20 mA into 2000 Ω from -48 V
  • Programmable current limit
  • On-chip Thermal Management (TMG) feature in all Active states
  • Low standby power (24 mW per channel)
  • Supports 2.0 Vrms metering applications
  • Control states: Active and Active Metering (Normal and Reverse Polarity), Standby, Tip Open and Disconnect
  • 3.3 V compatible to logic control inputs
  • Power up in Disconnect state
  • On-hook transmission in Active states
  • Per-channel fault detection and indication
  • Per-channel thermal shutdown
  • Programmable Off Hook and Ground Start thresholds.
  • Programmable ring-trip detect threshold
  • Footprint compatible with Microsemi's Le57D111 Dual SLIC
le57d121btc le57d121btc

Application

  • Ideal for low-cost, high performance line card applications (CO, DLC)
  • Meets requirements for countries such as: India, China, Korea, Japan, Taiwan, and Australia
  • Meets requirements for North America DLC applications (TR-57-CORE)
le57d121btc

Specifications

Category Integrated Circuits (ICs)InterfaceTelecom Series -
Function Subscriber Line Interface Concept (SLIC) Interface 2-Wire
Number of Circuits 2 Voltage - Supply 4.75V ~ 5.25V
Current - Supply - Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount Base Product Number LE57D121

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Ratings and Reviews

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A
A**n 05/29/2020

Good summaries. Walked for a short time. But the most important thing in the ecu is installed a little smaller size because these soldering is extremely inconvenient.

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In Stock: 5,092

Minimum Order: 1

Qty. Unit Price Ext. Price
1+ $22.534 $22.53
200+ $8.720 $1,744.00
500+ $8.414 $4,207.00
800+ $8.262 $6,609.60

The prices below are for reference only.

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