MAX3232ID Texas Instruments In Stock
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
What are the key features of MAX3232ID?
- 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
What is MAX3232ID used for?
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) |
What are equivalent replacements for MAX3232ID?
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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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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| Qty. | Unit Price | Ext. Price |
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| 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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