MAX3232IDIn StockTexas Instruments
MAX3232ID is a dual-channel RS-232 transceiver IC by Texas Instruments, operating from a 3V to 5.5V supply with integrated charge pumps. Key specs: ±15kV ESD protection, 120kbps data rate, 0.1µF external capacitors. From $1.33, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- Price
- From $1.3261(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual RS-232 transmitters and receivers in a single package
- Wide supply voltage range: 3V to 5.5V operation
- ±15kV ESD protection on RS-232 I/O pins
- Integrated charge pump requires only 0.1µF capacitors
- High data rate up to 120kbps
Applications
MAX3232ID is widely used in industrial and embedded systems for serial communication between microcontrollers and RS-232 compliant devices such as modems, PCs, and terminals. It is ideal for portable equipment, battery-powered systems, and IoT gateway designs where low power consumption and a wide supply range are required. The device also suits test and measurement instruments, barcode readers, and legacy serial port interfaces in modern PCB designs.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the supply voltage range for the MAX3232ID?
The MAX3232ID operates from a supply voltage range of 3V to 5.5V, making it compatible with both 3.3V and 5V logic systems. This wide range allows it to interface directly with modern low-voltage microcontrollers without level-shifting circuitry.
What external capacitors are required for the MAX3232ID charge pump?
The MAX3232ID requires four external capacitors of 0.1µF each for its integrated charge pump circuit. These small-value capacitors enable generation of the ±5.5V RS-232 voltage levels from a single low-voltage supply, minimizing BOM cost and board area.
What is the ESD protection level on the MAX3232ID RS-232 pins?
The MAX3232ID provides ±15kV ESD protection on its RS-232 transmitter output and receiver input pins, compliant with the Human Body Model. This robust protection helps safeguard the device and connected circuitry from electrostatic discharge events common in real-world serial cable environments.
What package does the MAX3232ID come in?
The MAX3232ID is available in a 16-pin SOIC (Small Outline Integrated Circuit) package, which is suitable for surface-mount assembly on standard PCBs. This package offers a good balance between board density and ease of hand-soldering or automated placement.
What are common applications for the MAX3232ID?
MAX3232ID is commonly used in RS-232 serial communication interfaces for microcontrollers, embedded systems, industrial equipment, barcode scanners, modems, and GPS modules. Its low-voltage operation makes it especially popular in battery-powered and portable devices requiring RS-232 connectivity.
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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+ | $5.8950 | $5.89 |
| 6+ | $4.3230 | $25.94 |
| 18+ | $3.9300 | $70.74 |
| 65+ | $3.6353 | $236.29 |
| 320+ | $1.3261 | $424.36 |
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