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MAX3227ECAE

Name: MAX3227ECAE
Rating: 4.7 (12 reviews)

RS-232 TRANSCEIVERS

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規格

Supplier	Rochester Electronics, LLC
Package	Bulk
ProductStatus	Obsolete

概述

Description

The MAX3227ECAE is a Maxim/Analog Devices RS-232 transceiver (2-channel) used to connect a microcontroller’s UART to an RS-232 serial port. It translates TTL/CMOS logic levels to RS-232 voltage levels and vice versa, via a single-supply operation.
Key points:
- Single 3.0–5.5 V supply; uses a charge-pump to generate RS-232 voltages.
- 2 transmitter drivers and 2 receivers (full-duplex capability).
- Requires external charge-pump capacitors (per datasheet).
- Interfaces standard RS-232 signals with typical UART data rates; suitable for embedded systems.
- ECAE suffix denotes a specific package/temperature/version; check the datasheet for exact specs and packaging details.
For exact electrical specs (voltage levels, data rate, throttling, current, and package), refer to the MAX3227ECAE datasheet.

Features

Here are the typical features of MAX3227ECAE (RS-232 transceiver):
- Dual RS-232 transceiver: 2 drivers and 2 receivers
- Single-supply operation from 3V to 5.5V
- Internal charge-pump to generate RS-232 voltage levels
- TTL/CMOS compatible input thresholds
- RS-232 outputs conform to EIA/TIA-232 standard (appropriate voltage swings)
- Low-power operation suitable for battery-powered designs
- Protection: ESD protection on RS-232 pins and short-circuit protection
- 8-pin package (designs available in common package options)
- Available in temperature/rating variants (industrial/commercial grade options)
Ideal for converting microcontroller logic levels to RS-232 for serial ports, PC interfaces, and other data-communication links.

Package

It’s packaged in a 20-pin TSSOP (Small Outline) package, RoHS-compliant.

Pinout

- Pin count: 16 pins (16-pin package).
- Function: Dual RS-232 transceiver (two drivers and two receivers) with an onboard or external charge-pump converter to generate RS-232 voltage levels from a TTL/CMOS supply. Converts TTL inputs to RS-232 signals and RS-232 inputs to TTL outputs. Typically operates from a 3.0–5.5 V supply and requires the standard external charge-pump capacitors.

Manufacturer

Manufacturer: Maxim Integrated (the MAX brand; now part of Analog Devices after a 2021 acquisition).
What kind of company: An American semiconductor company that designs and manufactures analog and mixed‑signal integrated circuits (power management, interface transceivers, sensors, signal conditioning) for communications, industrial, automotive, and consumer applications.

Application

MAX3227ECAE is a dual-channel RS-232 transceiver (driver/receiver). Typical applications:
- Embedded systems and MCU boards
- PCs/modems and serial printers
- Industrial controllers and data-acquisition equipment
- Point-of-sale terminals
- Medical instrumentation
- Telecommunications and networking gear needing robust, low-power RS-232 links

Equivalent

Direct/equivalent replacements: Maxim MAX3227 (other suffixes); similar 3.3V RS‑232 transceivers — TI SN65C3232, Analog Devices ADM3232/ADM3227, STMicro ST3232, Exar SP3223/SP3222, ON Semiconductor NCV3232. Verify pinout, supply range, ESD and temp specs before substituting.