MAX3232CSE+TCT-ND Analog Devices Integrated Circuit (Small Outline Packages) In Stock
Analog Devices MAX3232CSE+TCT-ND is a dual-channel RS-232 transceiver with 2 drivers and 2 receivers operating from a 3.0 V to 5.5 V single supply using on-chip charge pump capacitors. Data rates up to 250 kbps are supported with ±15 kV ESD protection on RS-232 I/O pins in a 16-pin SO package. Available from stock worldwide for embedded UART-to-RS232 interface designs.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- MAX3232CSE+TCT-ND Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MAX3232CSE+TCT-ND?
- 3.0 V to 5.5 V single-supply operation with internal charge pump generating ±5.4 V RS-232 levels from only four small 0.1 µF external capacitors
- Dual drivers and dual receivers (2T/2R) with data rates up to 250 kbps and ±15 kV ESD protection on all RS-232 interface pins
- 16-pin small-outline SO package with low quiescent current, compatible with MAX232 industry-standard pinout for direct drop-in replacement in 3.3 V or 5 V systems
What is MAX3232CSE+TCT-ND used for?
The MAX3232CSE+TCT-ND is widely used to add RS-232 serial ports to microcontroller-based systems that operate from a 3.3 V or 5 V supply without a separate RS-232 supply rail. Typical applications include industrial equipment firmware consoles, GPS module interfaces, barcode scanner connections, and point-of-sale terminal communication ports. Its pin compatibility with the classic MAX232 makes it a drop-in upgrade for existing designs being migrated to 3.3 V logic.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the MAX3232CSE+TCT-ND datasheet?
MAX3232CSE+TCT-ND Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for MAX3232CSE+TCT-ND?
Compatible alternatives and drop-in replacements for MAX3232CSE+TCT-ND:
Frequently Asked Questions
How does the MAX3232CSE+TCT-ND generate RS-232 voltage levels from a 3.3 V supply without an external DC-DC converter?
The device includes an internal charge pump that uses four external 0.1 µF capacitors to generate ±5.4 V internally, which is then used to drive RS-232 transmitter outputs to the required ±5 V minimum level. This eliminates the need for an external ±12 V supply, simplifying PCB design for 3.3 V systems by requiring only four small capacitors and no additional power components.
What is the maximum data rate for the MAX3232CSE+TCT-ND, and is it sufficient for standard RS-232 applications?
The MAX3232CSE+TCT-ND supports data rates up to 250 kbps, which comfortably exceeds the 115.2 kbps used by most embedded UART applications and satisfies RS-232 standard requirements. For higher-speed serial applications requiring 1 Mbps or more, a dedicated RS-422 or RS-485 transceiver would be a better choice, but for console, GPS, and industrial sensor interfaces 250 kbps is more than adequate.
What ESD protection level does the MAX3232CSE+TCT-ND provide on its RS-232 pins, and why does this matter in industrial designs?
All RS-232 I/O pins are protected to ±15 kV using the Human Body Model (HBM), which is the highest ESD class for this device family. In industrial and field-service environments where cables are frequently plugged and unplugged, this level of protection significantly reduces the risk of transceiver damage from electrostatic discharge during hot-plug events or cable handling.
How many RS-232 channels does the MAX3232CSE+TCT-ND provide, and can it support a full-duplex RS-232 connection with handshake lines?
The device provides 2 independent transmitters and 2 independent receivers in a single 16-pin SO package. This is sufficient for one full-duplex RS-232 port with TX and RX, plus one additional handshake line such as RTS or CTS, enabling complete RS-232 hardware flow control in a compact footprint without needing a second transceiver IC.
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Why Buy from FindMyChip
About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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