MAX3221 - 3-V to 5.5-V RS-232 Line Driver/Receiver
Datasheet Summary
Description
The MAX3221 device consists of one line driver, one line receiver with dedicated enable pin, and a dual charge-pump circuit with ±15-kV ESD protection pin to pin (serial-port connection pins, including GND).
Features
RS-232 Bus-pin ESD protection exceeds ±15 kV using human body model (HBM).
Meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards.
Operates with 3-V to 5.5-V VCC supply.
Operates up to 250 kbps.
One driver and one receiver.
Low standby current: 1 μA typical.
External capacitors: 4 × 0.1 μF.
Accepts 5-V logic input with 3.3-V supply.
Alternative high-speed pin-compatible
device (1 Mbps).
MAX3221-EP- 3-V TO 5.5-V SINGLE-CHANNEL RS-232 LINE DRIVER/RECEIVER
MAX3221E- 3-V to 5.5-V Single-Channel RS-232 Line Driver/Receiver
MAX3222- 3-V to 5.5-V Multichannel RS-232 Line Driver/Receiver
MAX3222E- 3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER
MAX3223- 3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER
MAX3223-EP- 3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER
MAX3223E- 3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER
MAX3227- 3-V TO 5.5-V SINGLE-CHANNEL RS-232 LINE DRIVER/RECEIVER
Full PDF Text Transcription
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MAX3221
SLLS348P – JUNE 1999 – REVISED JULY 2021
MAX3221 3-V to 5.5-V RS-232 Line Driver and Receiver With ±15-kV ESD Protection
1 Features
• RS-232 Bus-pin ESD protection exceeds ±15 kV using human body model (HBM)
• Meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards
• Operates with 3-V to 5.5-V VCC supply • Operates up to 250 kbps • One driver and one receiver • Low standby current: 1 μA typical • External capacitors: 4 × 0.1 μF • Accepts 5-V logic input with 3.
MAX3221 Datasheet
