SI2439-A-FMR

$8.08

Description：IC ISOMODEM 33.6KBPS 38-QFN
Series：ISOmodem®

SKU:0f0fba183073 Category: Modems - ICs and Modules Brand: Skyworks Solutions Inc.

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Product introduction

Product Detailed Parameters

Description：IC ISOMODEM 33.6KBPS 38-QFN
Series：ISOmodem®
Mfr：Skyworks Solutions Inc.
Package：Tape & Reel (TR)
Data Format：V.34, V.92
Baud Rates：-
Voltage - Supply：3V ~ 3.6V
Mounting Type：Surface Mount
Package / Case：38-VFQFN Exposed Pad
Supplier Device Package：38-QFN (5x7)

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SI2439-A-FMR

Overview

The SI2439-A-FMR is an ISOModem network controller and processor IC manufactured by Skyworks Solutions, Inc. Designed for system-side applications, it supports V.34 and V.92 data protocols with a maximum data rate of 33.6 kb/s. The device operates on a single 3.3 V power supply, drawing 17 mA during operation, within a voltage range of 3 V to 3.6 V. It features SPI and UART interface types and functions at a frequency of 4.92 MHz. The component is housed in a 38-QFN (5x7 mm) package with exposed pad, suitable for surface mount installation. It operates within a temperature range of 0°C to +70°C and carries Moisture Sensitivity Level 3.

Feature Summary

Supports V.34 and V.92 modem protocols for reliable data transmission
Integrates ISOmodem technology for system-side connectivity
Provides flexible digital interfaces via SPI and UART

Applications

System-side modem implementations
V.34 data communication systems
Voice and data modem applications

Procurement Notes

Verify the specific suffix FMR indicates tape and reel packaging when sourcing. Confirm RoHS compliance status through official documentation. Check moisture sensitivity handling requirements due to MSL 3 classification. Ensure the supplier provides valid traceability for this Skyworks part number.

Selection Notes

Select this component for designs requiring integrated V.34/V.92 protocol support in a compact QFN footprint. Verify that the host system can provide the required 3.3 V supply and compatible SPI or UART signals. Consider the operating temperature range limits for the intended environment.

Part Context

This part belongs to the SI2439 series of ISOModems from Skyworks Solutions. It serves as a specialized network controller processor IC within the communication and networking category. The device integrates modem functionality directly into the system architecture.

Replacement Considerations

Consult official Skyworks documentation for qualified substitutes. Cross-reference pinouts and electrical specifications before considering alternative components.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.