MAX202EEWE

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MAX202EEWE

IC TRANSCEIVER FULL 2/2 16SOIC

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規格

Supplier Rochester Electronics, LLC,Analog Devices Inc./Maxim Integrated
Package Tube,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 (0.295, 7.50mm Width)

概述

Description

MAX202EEWE is a dual RS-232 transceiver from Maxim (a variant of the MAX202). It provides two RS-232 drivers and two receivers to connect a microcontroller UART to a PC/modem serial port. It converts TTL/CMOS logic levels to RS-232 voltages and RS-232 inputs back to TTL logic. The device uses an on‑chip charge pump that, with four external capacitors, generates the RS-232 ± voltages from a single supply. It typically operates from 3 to 5.5 V and supports data rates up to several hundred kilobits per second. Pins include VCC, GND, two TIN inputs, two ROUT outputs, two RIN inputs, and the four charge‑pump capacitors (C1+, C1−, C2+, C2−). The EEWE suffix denotes a specific package/temperature variant; check the datasheet for exact limits.

Features

Concise features of MAX202EEWE (RS-232 transceiver):
- Quad RS-232 transceiver: two drivers and two receivers
- Single-supply operation with on-chip charge pump to generate RS-232 levels
- External capacitor requirements for the charge pump (typical small values)
- TTL/CMOS compatible inputs; RS-232 level outputs
- RS-232 output swing suitable for standard RS-232 signaling (±voltage range)
- Moderate to high data-rate capability for serial communication
- 8-pin package; EEWE suffix indicates extended temperature grade and package variant
- Low power with possible low-power/power-down options
- Protective features: ESD/short-circuit protection for rugged use
Note: exact supply voltage range, capacitor values, and data rate depend on the specific sub-variant; the EEWE version emphasizes extended temperature operation in an 8-pin package.

Package

MAX202EEWE comes in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Pinout

Pin count: 8 pins (8-pin package such as SOIC-8/DIP-8).
Function: Dual RS-232 transceiver (two drivers and two receivers) that converts TTL/CMOS logic levels to RS-232 levels and RS-232 levels back to TTL/CMOS; uses a charge-pump to generate the required RS-232 voltages from a single supply (typ. +5V).

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

MAX202EEWE is an RS-232 transceiver. Common applications:
- Microcontroller to PC serial connections
- Data-logging, instrumentation, and measurement gear
- Industrial automation and PLC interfaces
- Modems, serial printers, and other RS-232 peripherals
- Point-of-sale terminals and embedded systems with RS-232
- Test and calibration equipment

Equivalent

Equivalent RS-232 transceivers (2 drivers, 2 receivers) in 8-pin packages include:
- MAX232, MAX232A (Maxim)
- ST232, ST3232 (STMicro)
- ADM202, ADM232 (Analog Devices)
- SP3232, SP3232E (Exar)
- ICL232 (Intersil/Renesas)
Note: Verify pinout, supply voltage, and capacitor requirements for exact compatibility with MAX202EEWE.

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