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Product Detailed Parameters
- Description：IC TRANSCEIVER FULL 3/5 28SSOP
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- Series：-
- Type：Transceiver
- Protocol：RS232
- Number of Drivers/Receivers：3月5日
- Duplex：Full
- Data Rate：1Mbps
- Voltage - Supply：3V ~ 5.5V
- Operating Temperature：0°C ~ 70°C
- Mounting Type：Surface Mount
- Package / Case：28-SSOP (0.209", 5.30mm Width)
- Supplier Device Package：28-SSOP
- Receiver Hysteresis：500 mV
- Grade：-
- Qualification：-
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Overview
The MAX3245CAI is a true RS-232 transceiver featuring three drivers and five receivers. It supports data rates up to 1Mbps using MegaBaud technology. The device operates from a single +3.0V to +5.5V supply with an internal dual charge pump requiring only four small capacitors. It incorporates AutoShutdown Plus, reducing supply current to 1µA when inputs are inactive for over 30 seconds. The component provides full duplex communication in a 28-pin SSOP package.
Feature Summary
- AutoShutdown Plus functionality automatically reduces power consumption by shutting down the charge pump during periods of inactivity.
- MegaBaud operation guarantees high-speed data transmission at rates up to 1Mbps for demanding applications.
- Integrated dual charge pump generates required RS-232 voltage levels directly from low-voltage supplies without external transformers.
Applications
- Notebook, subnotebook, and palmtop computers
- Cellular phones and handheld equipment
- Battery-powered peripherals and printers
Procurement Notes
Verify the specific suffix 'CAI' against official documentation to confirm the commercial temperature range (0°C to +70°C) and SSOP-28 packaging. Confirm RoHS compliance status for lead-free variants. Ensure the source document matches the manufacturer's current revision to avoid discrepancies in pinout or electrical characteristics.
Selection Notes
Select this component when designing systems requiring low-power standby modes alongside high-speed serial communication. The integrated AutoShutdown Plus eliminates the need for external power management logic to control the transceiver state. Verify that the application load capacitance remains within the specified limits to maintain signal integrity at 1Mbps.
Part Context
This part belongs to the MAX3224–MAX3227/MAX3244/MAX3245 family of 3V-powered RS-232 interfaces. While sharing the same core architecture and AutoShutdown Plus feature, the MAX3245 specifically distinguishes itself by supporting 1Mbps data rates compared to the 250kbps limit of the MAX3244.
Replacement Considerations
The MAX3244EAI+ serves as a functional substitute within the same family, offering identical pinouts and features but limited to 250kbps data rates. Other compatible options include the MAX3245ECAI+ for extended temperature ranges.
