MAX3221CUE+

Analog Devices

Analog Devices MAX3221CUE+ RS-232 transceiver, full duplex, 235 kbps data rate, 1/1 driver/receiver, 3V to 5.5V supply, 16-TSSOP package.

Analog Devices MAX3221CUE+
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Technical specifications

MAX3221CUE+ specifications
Parameter / AttributeSpecification / Value
TypeTransceiver
MountingSurface Mount
Supply voltage3V ~ 5.5V
ProtocolRS232
Operating temperature0°C ~ 70°C
DuplexFull
PackageTube
Data rate235Kbps
Case16-TSSOP (0.173\", 4.40mm Width)
Receiver hysteresis300 mV
Number of drivers (Receivers)1/1

Technical details

RS-232 link for 3V to 5.5V systems

The MAX3221CUE+: Data rate reaches 235 kbps, which covers the typical UART speeds used in industrial serial links — 115.2 kbps and 230.4 kbps — with margin for the start/stop bit overhead. The receiver includes 300 mV of hysteresis, which cleans up noisy RS-232 lines by suppressing chatter around the switching threshold — useful when the cable runs a few metres through a factory floor.

MAX3221CUE+
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