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See Technical Specifications

LE79R70-1FQCT

Telecom Interface ICs 1CH SLIC, 40DB LGBAL, PRV,QFN8X8,TR,RoHS

Manufacturer:

Microchip Technology, Inc
Mfr.Part #:

LE79R70-1FQCT
Datasheet:

LE79R70-1FQCT Datasheet (PDF)
Function:

Subscriber Line Interface Concept (SLIC)
Interface:

2-Wire
Number of Circuits:

1
Voltage - Supply:

4.75V ~ 5.25V
EDA/CAD Models:

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LE79R70-1FQCT General Description

The Le79R70-1 is a bipolar monolithic SLIC device that support integrated (on-chip) ringing, pin-for-pin compatibility and flexibility for varying loop lengths. With the Ringing SLIC, you can achieve significant system-level cost reductions while designing innovative linecard solutions.

Key Features

Ideal for ISDN-TA and set top applications
On-chip ringing with on-chip ring-trip detector
Low Standby state power
Battery operation:
VBAT1: -40 V to -67 V
VBAT2: -19 V to VBAT1
On-chip battery switching and feed selection
On-hook transmission
Polarity reversal option
Programmable constant-current feed
Programmable open circuit voltage
Programmable loop-detect threshold
Two-wire impedance set by single component
Ground-key detector
Tip Open state for ground-start lines
Internal VEE regulator (no external -5 V power supply required)
Two on-chip relay drivers and snubber circuits
Space-saving package options (8x8 QFN)

Microchip Technology, Inc Original Stock

Application

Integrated Access Devices (IADs)
Network Interface Units (NIUs)
Cable Modems
Set Top / House Side Boxes
Intelligent PBX
Pair Gain
FXS Cards
Voice over ISDN or T1/E1
Smart Residential Gateways
WLL, APON, FITL, NGN, and all other short-loop CPE/ Enterprise telephony applications

Specifications

Category	Integrated Circuits (ICs)InterfaceTelecom	Series	-
Function	Subscriber Line Interface Concept (SLIC)	Interface	2-Wire
Number of Circuits	1	Voltage - Supply	4.75V ~ 5.25V
Current - Supply	-	Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount