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Name: LE9642PQCT
Brand: Microchip Technology
SKU: LE9642PQCT
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Microchip Technology LE9642PQCT

Part No.:: LE9642PQCT

Manufacturer:: Microchip Technology

Package:: 48-VFQFN Exposed Pad

Datasheet:: LE9642PQCT.pdf

Description:: IC TELECOM INTERFACE 48QFN

In Stock:: 2901

Quantity:: Add To Cart

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LE9642PQCT Specifications

Package/Case:
48-VFQFN Exposed Pad
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
miSLIC™
ProductStatus:
Active
Function:
Subscriber Line Interface Concept (SLIC)
Interface:
4-Wire
NumberofCircuits:
2
Voltage-Supply:
3.135V ~ 3.465V
Current-Supply:
25mA
Power(Watts):
-
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

LE9642PQCT this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including LE9642PQCT price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for LE9642PQCT to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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LE9642PQCT information

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LE9642PQCT Typical application Circuitry

LE9642PQCT

The LE9642PQCT is a line interface unit (LIU) chip designed primarily for voice over broadband applications. It is engineered to interface directly with the telephone line and is capable of driving standard RJ11 connections in residential gateways, VoIP (Voice over Internet Protocol) equipment, and telephony applications.

Application Scenarios

The LE9642PQCT is versatile and finds its application in:

- VoIP Gateways: For connecting traditional analog telephones to digital VoIP networks.

- Integrated connection Devices (IADs): These devices combine broadband internet connection with VoIP services.

- Telephony Systems: To interface with the Public Switched Telephone Network (PSTN), in both commercial and residential systems.

Parameter Features

Key features of the LE9642PQCT include:

- High Voltage Handling: Capable of dealing with the high voltages typically encountered on telephone lines.

- Programmable Line Impedance Matching: To ensure compatibility with various global telephony standards.

- Integrated Diagnostics: For monitoring and troubleshooting line conditions.

- Low Power Consumption: Designed to operate as energy-efficiently as possible, a crucial feature for always-on devices.

Application Example: VoIP Gateway

In a VoIP Gateway application, the LE9642PQCT can be used to connect analog telephone sets to a digital network. The following outlines a detailed circuit connection for integrating LE9642PQCT into such a system:

1. Line Interface: The tip (T) and ring (R) terminals of the LE9642PQCT are connected directly to the telephone line. These pins have a high voltage and are used to connect to an external phone network.

2. Power Supply Connection: The LE9642PQCT requires a connection to a power supply. The VDD pin should be connected to a positive voltage source, and the VSS pin should be connected to ground. Care must be taken to ensure that the power supply delivers sufficient current for the operation of the LE9642PQCT and any associated circuitry.

3. Control Interface: The LE9642PQCT will typically be controlled by a microcontroller or processor within the VoIP gateway. The relevant pins on the microcontroller should be connected to control pins, such as SPI or I2C interfaces. This allows for programming the device's settings and reading its diagnostic information.

4. Analog Voice Signal Connection: The analog voice signals from the telephone set are interfaced with the LE9642PQCT through its analog pins. These pins should be connected to the analog-to-digital converters (ADC) and digital-to-analog converters (DAC) in the VoIP gateway, facilitating the conversion between analog voice signals and digital data packets.

Design Considerations:

When designing a circuit with LE9642PQCT, several critical factors must be considered:

- Surge Protection: Given the high-voltage nature of telephone lines, incorporating surge protection components is crucial to protect the LE9642PQCT and the rest of the circuitry from voltage spikes.

- Impedance Matching: The LE9642PQCT offers programmable impedance matching, which should be configured to match the impedance of the telephone line and minimize signal reflections.

- Thermal Management: Although the LE9642PQCT is optimized for low power consumption, adequate thermal management should be provided, especially in compact or enclosed designs.

- Regulatory Compliance: Telephony equipment must comply with various international standards. These legal restrictions should be followed when configuring and using the LE9642PQCT.

Integrating LE9642PQCT into a VoIP gateway involves careful consideration of power management, signal integrity, and regulatory compliance to ensure reliable and efficient operation in connecting analog telephones to digital networks.

LE9642PQCT FAQ

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6. What is the process for return or replacement of LE9642PQCT?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the LE9642PQCT we delivered, we will accept the replacement or return of the LE9642PQCT only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of LE9642PQCT.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations