Product Summary

The MAX3232IDWR is a RS-232 line driver. It consists of two line drivers, two line receivers, and a dual charge-pump circuit with ±15-kV ESD protection pin to pin (serial-port connection pins, including GND). The device meets the requirements of TIA/EIA-232-F and provides the electrical interface between an asynchronous communication controller and the serial-port connector. The charge pump and four small external capacitors allow operation from a single 3-V to 5.5-V supply. The devices operate at data signaling rates up to 250 kbit/s and a maximum of 30-V/µs driver output slew rate. Applications include Battery-Powered Systems, PDAs, Notebooks, Laptops, Palmtop PCs, and Hand-Held Equipment.

Parametrics

MAX3232IDWR absolute maximum ratings: (1)Supply voltage range, VCC (see Note 1): -0.3 V to 6 V ; (2)Positive output supply voltage range, V+ (see Note 1): -0.3 V to 7 V ; (3)Negative output supply voltage range, V-(see Note 1): 0.3 V to -7 V; (4)Supply voltage difference, V+ - V- (see Note 1): 13 V; (5)Operating virtual junction temperature: 150℃; (6)Storage temperature range: -65 to 150℃.

Features

MAX3232IDWR 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: 300μA Typical; (7)External Capacitors: 4 × 0.1μF; (8)Accepts 5-V Logic Input With 3.3-V Supply.

Diagrams

MAX3232IDWR logic diagram (positive logic) 

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
MAX3232IDWR
MAX3232IDWR

Texas Instruments

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

Data Sheet

0-1: $1.18
1-25: $0.91
25-100: $0.82
100-250: $0.74
MAX3232IDWRE4
MAX3232IDWRE4

Texas Instruments

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

Data Sheet

0-1430: $0.59
1430-2000: $0.56
2000-5000: $0.54
5000-10000: $0.52
MAX3232IDWRG4
MAX3232IDWRG4

Texas Instruments

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

Data Sheet

0-1430: $0.59
1430-2000: $0.56
2000-5000: $0.54
5000-10000: $0.52