Product details

Drivers per package 2 Receivers per package 2 Logic voltage (Min) (V) 5 Data rate (Max) (kbps) 120 Main supply voltage (Nom) (V) 5 ESD HBM (kV) 2 Rating Automotive, Catalog Operating temperature range (C) -40 to 85, 0 to 70 Vout (Typ) (V) 9
Drivers per package 2 Receivers per package 2 Logic voltage (Min) (V) 5 Data rate (Max) (kbps) 120 Main supply voltage (Nom) (V) 5 ESD HBM (kV) 2 Rating Automotive, Catalog Operating temperature range (C) -40 to 85, 0 to 70 Vout (Typ) (V) 9
PDIP (N) 16 181 mm² 19.3 x 9.4 SOIC (D) 16 59 mm² 9.9 x 6 SOIC (DW) 16 77 mm² 7.52 x 10.28 SOP (NS) 16 80 mm² 10.2 x 7.8
  • Meets or Exceeds TIA/EIA-232-F and ITU Recommendation V.28
  • Operates From a Single 5-V Power Supply With 1.0-µF Charge-Pump Capacitors
  • Operates up to 120 kbit/s
  • Two Drivers and Two Receivers
  • ±30-V Input Levels
  • Low Supply Current: 8 mA Typical
  • ESD Protection Exceeds JESD 22
    • 2000-V Human-Body Model (A114-A)
  • Upgrade With Improved ESD (15-kV HBM) and 0.1-µF 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 5-V Power Supply With 1.0-µF Charge-Pump Capacitors
  • Operates up to 120 kbit/s
  • Two Drivers and Two Receivers
  • ±30-V Input Levels
  • Low Supply Current: 8 mA Typical
  • ESD Protection Exceeds JESD 22
    • 2000-V Human-Body Model (A114-A)
  • Upgrade With Improved ESD (15-kV HBM) and 0.1-µF Charge-Pump Capacitors is Available With the MAX202 Device

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 5-V supply. Each receiver converts TIA/EIA-232-F inputs to 5-V TTL/CMOS levels. These receivers have a typical threshold of 1.3 V, a typical hysteresis of 0.5 V, and can accept ±30-V 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 5-V supply. Each receiver converts TIA/EIA-232-F inputs to 5-V TTL/CMOS levels. These receivers have a typical threshold of 1.3 V, a typical hysteresis of 0.5 V, and can accept ±30-V inputs. Each driver converts TTL/CMOS input levels into TIA/EIA-232-F levels.

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MAX232E ACTIVE 5-V dual channel 250kbps RS-232 line driver/receiver with +/-9V output & +/-15-kV IEC-ESD protection TI recommends MAX232E in new designs. The MAX232E is an improved direct drop-in replacement for the MAX232.

Technical documentation

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Type Title Date
* Data sheet MAX232x Dual EIA-232 Drivers/Receivers datasheet (Rev. M) PDF | HTML 20 Nov 2014
Technical article Pump it up with charge pumps – Part 1 01 Feb 2016
Application note AN-438 Low Power RS-232C Driver and Receiver in CMOS (Rev. B) 26 Apr 2013
Application note Understanding Power Requirements in RS-232 Applications (Rev. B) 26 Apr 2013
Application note Removing Ground Noise in Data Transmission Systems 05 Oct 2007
Application note Interface Circuits for TIA/EIA-232-F (Rev. A) 19 Sep 2002
Application note Low-Voltage, Single-Supply 232-Standard Interface Solutions (Rev. A) 19 Sep 2000

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SO (NS) 16 View options
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