MAX222CDWG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments MAX222CDWG4 is a dual RS-232 transmitter/receiver IC in an 18-pin SOIC package with Schmitt trigger inputs and EIA-232-F compliance. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 18
- Lifecycle
- OBSOLETE
- Datasheet
- MAX222CDWG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual RS-232 transmitter and receiver channels compliant with EIA-232-F, TIA-232-F, and V.28 standards for reliable serial communication
- Schmitt trigger inputs provide enhanced noise immunity on signal lines for robust operation in electrically noisy environments
- 18-pin SOIC (R-PDSO-G18) package offers compact PCB footprint suitable for space-constrained serial interface designs
- Lead-free (e4) construction meets JESD-609 requirements, ensuring RoHS compliance for modern industrial and commercial applications
Applications
The MAX222CDWG4 is designed for industrial automation, embedded computing, and telecommunications equipment that require reliable RS-232 serial communication between microcontrollers and external devices such as modems, GPS modules, or barcode readers. Its dual-channel design allows simultaneous full-duplex communication on two independent serial links. The Schmitt trigger inputs make it particularly robust in environments with electrical noise, such as factory floors or automotive electronics.
Specifications
| YTEOL | 0 |
| Differential Output | NO |
| Driver Number of Bits | 2 |
| High Level Input Current-Max | 0.000001A |
| Input Characteristics | SCHMITT TRIGGER |
| Interface IC Type | LINE TRANSCEIVER |
| Interface Standard | EIA-232-F; TIA-232-F; V.28 |
| JESD-30 Code | R-PDSO-G18 |
| JESD-609 Code | e4 |
| Number of Functions | 2 |
| Out Swing-Min | 10V |
| Output Low Current-Max | 0.00004A |
| Output Polarity | INVERTED |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP18,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Receive Delay-Max | 1000ns |
| Receiver Number of Bits | 2 |
| Supply Current-Max | 10mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 4.5V |
| Supply Voltage-Nom | 5V |
| Supply Voltage1-Max | 5.5V |
| Supply Voltage1-Min | 4.5V |
| Supply Voltage1-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Transmit Delay-Max | 3500ns |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for MAX222CDWG4:
Frequently Asked Questions
What interface standard does the MAX222CDWG4 support?
The MAX222CDWG4 supports the EIA-232-F, TIA-232-F, and V.28 interface standards, making it fully compatible with classic RS-232 serial communication used in a wide range of industrial, computing, and telecommunications applications.
How many transmitter and receiver channels does the MAX222CDWG4 have?
The MAX222CDWG4 provides 2 driver (transmitter) channels and 2 receiver channels, enabling simultaneous dual-channel RS-232 communication in a single 18-pin SOIC package, which reduces board space compared to using discrete components.
What package does the MAX222CDWG4 come in and is it RoHS compliant?
The MAX222CDWG4 uses an 18-pin Small Outline IC package (SOIC, JESD-30 code R-PDSO-G18) and carries a JESD-609 code of e4, confirming it is lead-free and RoHS compliant for use in modern green electronics manufacturing.
What is the significance of Schmitt trigger inputs on the MAX222CDWG4?
Schmitt trigger inputs add hysteresis to the receiver input threshold, filtering out slow-transition or noisy signals and improving noise immunity. This is especially valuable in industrial environments where signal lines may pick up electrical interference from nearby equipment.
Can the MAX222CDWG4 be used in battery-powered or low-power designs?
Yes, the MAX222CDWG4 features a maximum high-level input current of 1 µA, indicating a very low input leakage which helps minimize power consumption. Combined with its SOIC package and dual-channel integration, it is a practical choice for portable or power-sensitive RS-232 interface applications.
Related Guides
TPS61291DRVR Selection Guide: Low-Quiescent-Current Boost Converters for IoT and Wearables
How to select the TPS61291DRVR and low-Iq boost converters for IoT, wearables, and coin-cell designs. Compares specs, packages, and alternatives from TI, ADI, and Microchip.
May 13, 2026
TMS5704357BZWTQQ1 Selection Guide: Choosing the Right TMS570 Automotive MCU Variant
Compare TMS570 automotive MCU variants by ASIL level, flash, package, and peripherals. Find the right fit from entry-level LQFP to the ASIL-D TMS5704357BZWTQQ1.
May 13, 2026
TI Hercules TMS5704357BZWTQQ1 Design Guide for Automotive ASIL-D and Industrial Functional Safety
Complete integration guide for the TI Hercules TMS5704357BZWTQQ1 dual-core lockstep Cortex-R5F MCU: lockstep CPU, ECC RAM, FlexRay/CAN-FD, and ASIL-D pitfalls.
May 12, 2026
PTN78000WAH Selection Guide: Choosing the Right 1.5 A 36 V Step-Down Power Module
Compare PTN78000WAH against PTN78000WAS, PTN78060WAH, and other 1.5A 36V step-down modules. Covers package, current rating, efficiency, and drop-in replaceability.
May 12, 2026
Why Buy from FindMyChip
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.
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“We've been using FindMyChip for 2 years. Pricing is consistently 20-30% below Mouser/DigiKey for volume orders.”