MAX3109ETJ+T UART IC Buying Guide

The MAX3109ETJ+T is a high-performance, dual-channel UART (Universal Asynchronous Receiver-Transmitter) IC designed for industrial and embedded applications, featuring a high data rate of up to 24Mbps and an integrated 128-word FIFO Analog Baidu.

Product Overview

* High-Speed Communication: Supports SPI (26MHz) or I²C (1MHz) controller interfaces with fractional baud-rate generation that eliminates the need for external crystals Analog.

* Versatile Design: Includes integrated level shifters for logic voltages between 1.71V and 3.6V, making it ideal for low-power IoT and multi-voltage systems Analog Chipsmall.

* Package & Operation: Supplied in a compact 32-pin TQFN package (the "+T" suffix denotes Tape and Reel) and operates within a wide industrial temperature range of -40°C to +85°C Baidu Chipsmall.

Market Trends & Insights (2026)

* Stable Demand: The part remains in active production, with a steady shift toward use in Industrial 4.0, Automotive Infotainment, and Diagnostic Medical devices Analog Rcyelectronic.

* Pricing Dynamics: Current B2B listings show bulk prices ranging from $5.29 to $10.58/piece, though high-demand "New Original" 2026 stock can command premiums up to $22/piece for smaller quantities Alibaba Alibaba.

* Availability: Inventory is currently healthy across major Shenzhen and Hong Kong distributors, with newer Date Code batches (2024+) becoming the market standard for 2026 procurement Alibaba Chipsmall.

Detailed market data and supplier comparisons are available in the file below.