MAX3227ECDBG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock

MAX3227ECDBG4 is a single-channel RS-232 line transceiver compliant with EIA/TIA-232-F in a 16-pin SSOP package, featuring Schmitt trigger inputs and a 1 µA shutdown mode for low-power serial communication designs.

OBSOLETEIntegrated CircuitVerified May 2026
Package / Visual Reference
MAX3227ECDBG4Small Outline Packages
Quick Facts
Manufacturer
Texas Instruments
Package
Small Outline Packages
Pin Count
16
Lifecycle
OBSOLETE
Category
Integrated Circuit
Temp Range
?°C to 70.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

What are the key features of MAX3227ECDBG4?

  • Single RS-232 transmitter/receiver compliant with EIA-232-F, TIA-232-F, and V.28 standards
  • 16-pin SSOP package for compact PCB footprints in space-constrained designs
  • Schmitt trigger receiver inputs for improved noise immunity on long serial cables
  • Ultra-low 1 µA high-level input current minimizing bus loading
  • Shutdown mode for power-sensitive battery-operated applications
  • RoHS-compliant (JESD-609 e4)

What is MAX3227ECDBG4 used for?

MAX3227ECDBG4 is used in industrial equipment, embedded computing modules, and test instruments that require RS-232 serial communication between microcontrollers and host computers or legacy peripherals. It is also a standard choice for remote sensor gateways, modems, and barcode reader interfaces where reliable EIA-232-F signaling is required.

What are the specifications of MAX3227ECDBG4?

YTEOL0
Differential OutputNO
Driver Number of Bits1
High Level Input Current-Max0.000001A
Input CharacteristicsSCHMITT TRIGGER
Interface IC TypeLINE TRANSCEIVER
Interface StandardEIA-232-F; TIA-232-F; V.28
JESD-30 CodeR-PDSO-G16
JESD-609 Codee4
Number of Functions1
Out Swing-Min10V
Output Characteristics3-STATE
Output Low Current-Max0.0016A
Output PolarityTRUE
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeSSOP16,.3
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Cel)260
Qualification StatusNot Qualified
Receiver Number of Bits1
Supply Current-Max0.01mA
Supply Voltage-Max5.5V
Supply Voltage-Min3V
Supply Voltage-Nom3.3V
Supply Voltage1-Max3.6V
Supply Voltage1-Min3V
Supply Voltage1-Nom3.3V
Surface MountYES
TechnologyBICMOS
Temperature GradeCOMMERCIAL
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormGULL WING
Terminal Pitch0.65mm
Terminal PositionDUAL
Time@Peak Reflow Temperature-Max (s)30
PackageSmall Outline Packages

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
Moisture Sensitivity LevelMSL 1
ECCNEAR99
HTS Code8542.39.00.60

Where can I find the MAX3227ECDBG4 datasheet?

MAX3227ECDBG4 Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for MAX3227ECDBG4?

Compatible alternatives and drop-in replacements for MAX3227ECDBG4:

MAX3227EIDBTexas Instruments

Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, CMOS, PDSO16

View Part →
MAX3227EIDBRTexas Instruments

Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, CMOS, PDSO16

View Part →
MAX3227CDBTexas Instruments

Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, CMOS, PDSO16

View Part →

Frequently Asked Questions

How does MAX3227ECDBG4 handle noisy RS-232 environments, and what input structure does it use?

MAX3227ECDBG4 uses Schmitt trigger receiver inputs with hysteresis to reject noise on RS-232 signal lines, reducing false triggering from capacitively coupled interference. This makes it reliable for long cable runs in industrial environments where signal degradation can exceed 1 V of noise.

Which RS-232 standards does MAX3227ECDBG4 comply with, and does it cover legacy and modern equipment?

The device complies with EIA-232-F, TIA-232-F, and V.28, which covers virtually all legacy and modern RS-232 serial equipment. A single 1-transmitter/1-receiver channel in the 16-pin SSOP package is sufficient for point-to-point UART connections between a microcontroller and a host PC or terminal.

Can MAX3227ECDBG4 operate from a 3.3 V microcontroller supply without external charge pumps?

MAX3227ECDBG4 includes an internal charge pump that generates the ±5 V to ±10 V levels required by RS-232 from a single low-voltage supply, so no external boost converter is needed. Designers can connect the logic-side interface directly to a 3.3 V MCU UART with only small external capacitors.

What is the package type and pin count for MAX3227ECDBG4, and how does it affect PCB layout complexity?

MAX3227ECDBG4 is housed in a 16-pin SSOP package, which is an SMT format with a 0.65 mm lead pitch. The compact footprint reduces board space compared to DIP alternatives while the 16 pins provide all required charge pump capacitor pads and signal connections within a small outline.

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About Texas Instruments

Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

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