Product Summary

The MAX3232 is a 3V to 5.5 V multichannel RS-232 line driver/receiver with ±15kV ESD protection.

Parametrics

MAX3232 absolute maximum ratings: (1)Supply voltage range, VCC: 0.3 V to 6 V; (2)Positive output supply voltage range, V+: 0.3 V to 7 V; (3)Negative output supply voltage range, V: 0.3 V to .7 V; (4)Supply voltage difference, V+ -V: 13 V; (5)Operating virtual junction temperature, TJ: 150℃; (6)Storage temperature range, Tstg: 65℃ to 150℃.

Features

MAX3232 features: (1)RS-232 Bus-Pin ESD Protection Exceeds ±15 kV Using Human-Body Model (HBM); (2)Meets or Exceeds the Requirements of TIA/EIA-232-F and ITU v.28 Standards; (3)Operates With 3-V to 5.5-V VCC Supply; (4)Operates Up To 250 kbit/s; (5)Two Drivers and Two Receivers; (6)Low Supply Current 300 μA Typical; (7)External Capacitors 4 × 0.1 μF; (8)Accepts 5-V Logic Input With 3.3-V Supply.

Diagrams

MAX3232 logic diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
MAX3232CAE
MAX3232CAE

Maxim Integrated Products

RS-232 Interface IC

Data Sheet

Negotiable 
MAX3232CAE+
MAX3232CAE+

Maxim Integrated Products

RS-232 Interface IC 3-5.5V 1Mbps Transceiver

Data Sheet

0-1: $2.93
1-25: $1.95
25-50: $1.42
50-250: $1.39
MAX3232CAE-T
MAX3232CAE-T

Maxim Integrated Products

RS-232 Interface IC

Data Sheet

Negotiable 
MAX3232CD
MAX3232CD

Texas Instruments

Buffers & Line Drivers 3-5.5V Multichannel Line Drvr/Rcvr

Data Sheet

0-1: $1.14
1-25: $1.04
25-100: $0.82
100-250: $0.69
MAX3232CDB
MAX3232CDB

Texas Instruments

Buffers & Line Drivers 3-5.5V Multichannel Line Drvr/Rcvr

Data Sheet

0-1: $1.34
1-25: $1.08
25-100: $0.98
100-250: $0.84
MAX3232CDBE4
MAX3232CDBE4

Texas Instruments

RS-232 Interface IC 3-5.5V Multichannel Line Drvr/Rcvr

Data Sheet

0-1: $1.68
1-25: $1.30
25-100: $1.18
100-250: $0.84
MAX3232CDBG4
MAX3232CDBG4

Texas Instruments

RS-232 Interface IC 3-5.5V Multich RS- 232 Line Drvr/Rcvr

Data Sheet

0-1: $1.68
1-25: $1.30
25-100: $1.18
100-250: $0.84
MAX3232CDBR
MAX3232CDBR

Texas Instruments

Buffers & Line Drivers 3-5.5V Mult-Ch RS232

Data Sheet

0-1: $1.27
1-25: $0.98
25-100: $0.89
100-250: $0.74