Product
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MAX232
  • MAX232
  • MAX232
  • MAX232
  • MAX232
  • MAX232
  • MAX232

MAX232

ACTIVE

5-V dual channel 120kbps RS-232 line driver/receiver with +/-9V output & +/-2-kV ESD protection

Texas Instruments MAX232 Product Info

1 April 2026 1

Parameters

Drivers per package

2

Receivers per package

2

Logic voltage (min) (V)

5

Data rate (max) (Mbps)

0.12

Main supply voltage (nom) (V)

5

ESD HBM (kV)

2

Rating

Automotive, Catalog

Operating temperature range (°C)

-40 to 85

Vout (typ) (V)

9

Package

PDIP (N)-16-181.42 mm² 19.3 x 9.4

Features

  • Meets or exceeds TIA/EIA-232-F and ITU recommendation V.28
  • Operates from a single 5V power supply with 1µF charge-pump capacitors
  • Operates up to 120kbit/s
  • Two drivers and two receivers
  • ±30V Input levels
  • Low supply current: 8mA typical
  • ESD protection exceeds JESD 22
    • 2000V Human-body model (A114-A)
  • Upgrade with improved ESD (15kV HBM) and 0.1µF charge-pump capacitors is available with the MAX202 device
  • Meets or exceeds TIA/EIA-232-F and ITU recommendation V.28
  • Operates from a single 5V power supply with 1µF charge-pump capacitors
  • Operates up to 120kbit/s
  • Two drivers and two receivers
  • ±30V Input levels
  • Low supply current: 8mA typical
  • ESD protection exceeds JESD 22
    • 2000V Human-body model (A114-A)
  • Upgrade with improved ESD (15kV HBM) and 0.1µF charge-pump capacitors is available with the MAX202 device

Description

The MAX232 device is a dual driver/receiver that includes a capacitive voltage generator to supply TIA/EIA-232-F voltage levels from a single 5V supply. Each receiver converts TIA/EIA-232-F inputs to 5V TTL/CMOS levels. These receivers have a typical threshold of 1.3 V, a typical hysteresis of 0.5V, and can accept ±30V inputs. Each driver converts TTL/CMOS input levels into TIA/EIA-232-F levels.

The MAX232 device is a dual driver/receiver that includes a capacitive voltage generator to supply TIA/EIA-232-F voltage levels from a single 5V supply. Each receiver converts TIA/EIA-232-F inputs to 5V TTL/CMOS levels. These receivers have a typical threshold of 1.3 V, a typical hysteresis of 0.5V, and can accept ±30V inputs. Each driver converts TTL/CMOS input levels into TIA/EIA-232-F levels.

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