MAX3232CWE

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MAX3232CWE

RS-232 TRANSCEIVERS

  • 제조업체
  • Mfr.부분 #MAX3232CWE
  • 패키지 SOIC-16
  • 데이터시트
  • 재고 있음3992

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개요

Description

MAX3232CWE is a dual RS-232 transceiver (two drivers and two receivers) from Maxim/Analog Devices. It lets a microcontroller run UART communications over RS-232 by converting TTL/CMOS levels to RS-232 voltages and vice versa. It uses an on‑chip charge pump to generate the required RS-232 ± voltages from a single supply.
Key points
- Supply: single 3.0–5.5 V
- External capacitors: typically four 0.1 µF for the charge pump
- Data rate: up to about 250 kbps
- Interfaces: TTL/CMOS on the logic side and RS-232 on the communication side
- Packaging suffix CWE indicates a RoHS-compliant package; check the datasheet for exact temp range and package details
Applications
- Microcontroller to PC serial ports
- Modems, serial sensors, GPS modules, and other non-isolated RS-232 links
Note: Always verify the specific package, temperature range, and electrical characteristics in the datasheet for your part variant.

Features

Key features of MAX3232CWE (dual RS-232 transceiver):
- Dual RS-232 transmitter and receiver (two drivers, two receivers)
- Single-supply operation: 3.0 V to 5.5 V
- On-chip charge pumps generate RS-232 level voltages (±6 V typical) from a 3–5.5 V supply
- Requires only four external capacitors (typical 1 µF each; some variants accept 0.1–1 µF)
- Data rates up to about 250 kbps (per channel)
- TTL/CMOS-compatible logic inputs; RS-232-compatible outputs
- 8-pin packages (DIP/SOIC) with standard RoHS-compliant options
- Suitable for commercial and industrial temperature ranges
- Low external component count and simple interfacing to microcontrollers or UARTs
Note: Always verify exact capacitor values and temperature range from the specific datasheet revision for your part variant.

Package

A 16‑pin surface-mount SOIC (16‑lead) package.

Pinout

- Pin count: 16 pins (16-pin package).
- Function: Dual RS-232 transceiver (two drivers and two receivers) with on‑chip charge pump. Converts TTL/CMOS logic levels to RS‑232 levels and RS‑232 levels back to TTL, using external charge-pump capacitors. Supply range typically 3.0–5.5 V.

Manufacturer

Manufacturer: Maxim Integrated (now part of Analog Devices).
Kind of company: A US-based fabless semiconductor company that designs and sells analog and mixed-signal integrated circuits.

Application

Max3232CWE is a dual RS-232 transceiver (TTL/CMOS UART to RS-232). Applications include:
- MCU/embedded systems needing RS-232 interfaces
- PC serial ports, modems, printers, barcode scanners
- Industrial equipment, PLCs, data loggers, sensors
- GPS modules, network devices (routers/switch consoles)
- POS terminals and other RS-232 legacy peripherals
(Operates from 3.0–5.5V; supports bidirectional TX/RX with USB/serial workflows.)

Equivalent

Common equivalents to MAX3232CWE (2-channel RS-232 transceivers) include:
- TI SP3232E
- STMicroelectronics ST3232 / ST3232E
- Analog Devices ADM232 / ADM3232
Note: verify voltage range (3.3V/5V), pinout, and external capacitor requirements for the exact variant, as not all are direct drop-ins.

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