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MAX232EESE

Name: MAX232EESE
Rating: 4.7 (12 reviews)

IC TRANSCEIVER FULL 2/2 16SO

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製造商。部分 #MAX232EESE
包 SOIC-16
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規格

Package	Tube
ProductStatus	Obsolete
Type	Transceiver
Protocol	RS232
NumberofDrivers/Receivers	2/2
Duplex	Full
ReceiverHysteresis	500 mV
DataRate	120Kbps
Voltage-Supply	4.5V ~ 5.5V
OperatingTemperature	-40°C ~ 85°C
MountingType	Surface Mount
Package/Case	16-SOIC (0.154, 3.90mm Width)

概述

Description

MAX232EESE is a member of Maxim’s MAX232 family: a dual RS-232 transmitter/receiver. It converts TTL/CMOS logic levels to RS-232 voltage levels and vice versa, enabling microcontrollers to talk to RS-232 serial ports (e.g., a PC COM port) without a separate ±12 V supply.
Key points:
- Two drivers and two receivers (dual transceiver).
- Uses an on-chip charge pump with external capacitors to generate the RS-232 voltages from a single supply.
- Typical single-supply operation (often 4.5–5.5 V; some variants cover 3–5.5 V; check datasheet).
- Requires four charge-pump capacitors (commonly 1 µF or as specified by the variant).
- Commonly interfaces via a DB9 connector on the RS-232 side.
EESE suffix indicates a specific package and/or temperature/grade variant in Maxim’s catalog; always consult the exact datasheet for pinout, capacitor values, voltage ranges, and performance specs for the MAX232EESE variant.

Features

Here are the core features of the MAX232 family (including MAX232EESE variants; check the exact datasheet for your grade):
- Dual RS-232 transmitter and dual RS-232 receiver (2 drivers, 2 receivers)
- Converts TTL/CMOS logic levels to RS-232 levels and vice versa
- Single-supply operation from +5 V
- Integrated charge pump generating the RS-232 ± voltages from the 5 V supply
- Requires four external charge-pump capacitors (typ. 1 µF each; external C1–C4)
- True RS-232 level outputs (approximately ±6 to ±10 V)
- Data rate up to ~120 kbps (typical)
- TTL/CMOS input thresholds; RS-232 inputs tolerant to standard RS-232 levels
- Low power consumption; available in 16-pin packages (DIP-16/SO-16) with various temperature grades (industry/extended)
Note: Exact voltage, speed, and temp range vary by specific MAX232 variant and package; verify the datasheet for MAX232EESE to confirm.

Package

MAX232EESE is in a 16-pin small-outline package (SOIC-16).

Pinout

- Pin count: 16 pins (commonly in SO-16/DIP-16 packages).
- Function: Dual RS-232 transceiver (two transmitters and two receivers). Converts TTL/CMOS logic levels to RS-232 voltage levels and RS-232 levels back to TTL/CMOS, using an internal charge-pump with external capacitors to generate the required ± voltages.

Manufacturer

Manufacturer: Maxim Integrated (now part of Analog Devices).
What kind of company: A semiconductor company that designs and manufactures analog and mixed-signal integrated circuits.

Application

Typical applications include providing RS-232 interfaces for microcontrollers and processors, converting TTL/CMOS levels to RS-232 and back. Used in embedded systems, PCs/modems, serial printers, POS terminals, data loggers, PLCs and industrial automation, test/measurement equipment, and telecom devices requiring reliable RS-232 I/O. Enables long-distance serial communication with minimal external components.

Equivalent

Equivalents (RS-232 transceivers with charge-pump; pin/voltage variants vary):
- STMicroelectronics ST232
- Analog Devices ADM232 / ADM232A
- Exar SP3232 / SP3232E
- Microchip MCP2320 / MCP2321 / MCP2323
- Maxim MAX3232 (3.3V capable; same family)
Note: check pinout and supply voltage to ensure true drop-in compatibility with MAX232EESE.