MAX3232ECDBIn StockTexas Instruments
MAX3232ECDB is a dual RS-232 line transceiver from Texas Instruments, supporting 2 drivers and 2 receivers with EIA/TIA-232-F compatibility. It operates from 3.3V or 5V supply with Schmitt trigger inputs and on-chip charge pump. From $1.46, in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- MAX3232ECDB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.4592(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual RS-232 transceiver with 2 drivers (TX) and 2 receivers (RX) in a single 16-pin SSOP package
- Wide supply voltage range: operates from both 3.3V and 5V, offering flexible system integration
- On-chip charge pump with 0.1µF capacitors generates ±5.5V from a single supply — no external power rail needed
- Schmitt trigger inputs on all receiver channels for improved noise immunity
- EIA/TIA-232-F, RS-232, and V.28 compliant, ensuring broad compatibility with legacy and modern serial interfaces
Applications
The MAX3232ECDB is widely used in industrial and embedded systems for UART-to-RS-232 level shifting between microcontrollers and PC serial ports. It is suitable for applications such as barcode scanners, POS terminals, industrial controllers, and GPS modules requiring reliable serial communication. Its dual-supply support makes it ideal for mixed 3.3V/5V system designs.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Additional Feature | CAN ALSO OPERATE WITH 5V SUPPLY |
| 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-G16 |
| JESD-609 Code | e4 |
| Number of Functions | 2 |
| Out Swing-Min | 10V |
| Output Low Current-Max | 0.0016A |
| Output Polarity | INVERTED |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SSOP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Receive Delay-Max | 300ns |
| Receiver Number of Bits | 2 |
| Supply Current-Max | 1mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 3.3V |
| Supply Voltage1-Max | 3.6V |
| Supply Voltage1-Min | 3V |
| Supply Voltage1-Nom | 3.3V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for MAX3232ECDB:
Frequently Asked Questions
What are the key electrical specifications of the MAX3232ECDB?
The MAX3232ECDB operates from a 3.3V or 5V supply, features 2 RS-232 drivers and 2 receivers, and is compliant with EIA/TIA-232-F and V.28 standards. It uses an on-chip charge pump to generate ±5.5V internally, and the receiver inputs feature Schmitt trigger characteristics for better noise margin.
What applications is the MAX3232ECDB best suited for?
It is ideal for UART-to-RS-232 interface conversion in embedded systems, industrial controllers, POS terminals, barcode scanners, and GPS receivers. Its dual-supply support (3.3V or 5V) makes it versatile for use in both legacy RS-232 systems and modern low-voltage microcontroller designs.
What is the package type and pin count of the MAX3232ECDB?
The MAX3232ECDB comes in a 16-pin SSOP (Small Outline Packages) package. This compact surface-mount form factor is suitable for space-constrained PCB designs.
Are there pin-compatible alternatives to the MAX3232ECDB?
Yes, the MAX3232ECDB is functionally and pin-compatible with ICs such as the SP3232E from Sipex and similar RS-232 transceivers from Maxim and STMicroelectronics. Always verify supply voltage requirements and capacitor specifications before substituting.
Related Guides
Ultra Low Power Microcontroller Comparison 2026: STM32L4 vs MSP430 vs MSP432 vs CC2640
Engineer-grade 2026 comparison of ultra-low-power MCUs — STM32L476, MSP430A139, MSP432P401R, CC2640F128 across standby current, active current, and battery life.
May 5, 2026
BOM Cost Reduction: 7 Strategies for Electronics Manufacturers in 2026
Practical 2026 BOM optimization playbook — 7 proven strategies, ranked by payback time and risk. With realistic per-unit savings and verification steps.
May 5, 2026
STM32F072C8T6 Pin-Compatible Alternatives 2026: Cheaper Drop-In Options Compared
Engineer-grade compatibility analysis for STM32F072C8T6 alternatives in 2026 — pin compatibility, firmware portability, cost and lead time for each option.
May 5, 2026
Top Microcontrollers for IoT 2026: ESP32 vs Arduino vs STM32 vs RPi Pico
The five IoT MCU platforms compared on 2026 pricing, lead time, and use case — ESP32-S3, Arduino, STM32F0, RP2040, TI CC2640/CC1352P.
May 5, 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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $3.8500 | $3.85 |
| 100+ | $2.8800 | $288.00 |
| 119+ | $1.6837 | $200.36 |
| 154+ | $1.6276 | $250.65 |
| 206+ | $1.4592 | $300.60 |
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.”