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Texas Instruments MAX3222CDWR — Interface & Transceivers

Texas Instruments MAX3222CDWR RS-232 Transceiver, 250kbps

MPNMAX3222CDWR
Active

Texas Instruments MAX3222CDWR RS-232 transceiver, full duplex, 2/2 drivers/receivers, 250kbps data rate, 3V to 5.5V supply, 20-SOIC package.

$2.1800Ref. price · indicative, final on quote
Packaging20-SOIC (0.295", 7.50mm Width)
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

MAX3222CDWR specifications
ParameterValue
TypeTransceiver
MountingSurface Mount
Supply voltage3V ~ 5.5V
ProtocolRS232
Operating temperature0°C~70°C
DuplexFull
PackageTape & Reel (TR); Cut Tape (CT)
Data rate250kbps
Case20-SOIC (0.295\", 7.50mm Width)
Receiver hysteresis300 mV
Number of drivers (Receivers)2/2

Product details

RS-232 link, 20-SOIC, 250 kbps ceiling

The MAX3222CDWR: Data rate is rated at 250 kbps — sufficient for legacy serial ports, industrial terminal links, and configuration interfaces where the bus runs at 115.2 kbaud or below. The 300 mV receiver hysteresis filters noise on long cable runs without external schmitt triggers.

Active production, ROHS3, and sourcing posture

ROHS3 compliant — no exemptions for lead in solder, which simplifies EU and UKCA declarations for finished goods.

Frequently asked questions

What is the data rate of the MAX3222CDWR?

250 kbps maximum. This is the ceiling for the RS-232 link; actual throughput depends on cable length and capacitive loading, but the part handles 115.2 kbaud with margin.

What compliance documentation does Texas Instruments provide for MAX3222CDWR?

ROHS3 compliant per the manufacturer's declaration. No UL, IEC, or other safety certifications are listed in the product record.