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Product Detailed Parameters
- Description：IC TRANSCEIVER FULL 1/1 8UMAX
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- Series：-
- Type：Transceiver
- Protocol：Infrared (IRDA)
- Number of Drivers/Receivers：1月1日
- Duplex：Full
- Data Rate：235Kbps
- Voltage - Supply：3V ~ 5.5V
- Operating Temperature：0°C ~ 70°C
- Mounting Type：Surface Mount
- Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：8-uMAX/uSOP
- Receiver Hysteresis：-
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Overview
The MAX3120CUA+ is an IrDA 1.2-compatible infrared transceiver designed for battery-powered, space-constrained applications. It operates on a single supply voltage ranging from +3V to +5.5V and consumes only 120µA of supply current during active operation. The device supports data rates between 2.4kbps and 115.2kbps and features a low-power shutdown mode with a typical current consumption of 10nA. It is housed in an 8-pin µMAX package and is rated for an operating temperature range of 0°C to +70°C.
Feature Summary
- IrDA 1.2 compatible with flexible optics selection
- Low power consumption with high-current LED drive capability
- Minimal external component requirements
Applications
- Personal Digital Assistants (PDAs)
- Palmtop Computers
- Cell Phones
- Hand-Held Equipment
- Peripherals
Procurement Notes
Verify the specific suffix 'CUA+' against official manufacturer documentation to confirm the package type, lead finish, and environmental compliance status. Ensure that the ordering information matches the required temperature grade and physical dimensions for your design constraints.
Selection Notes
Select this component when designing systems requiring IrDA 1.2 compliance within strict space limitations. The µMAX package offers half the board space of standard SO packages. Verify that the application environment remains within the specified 0°C to +70°C operating temperature range.
Part Context
This part belongs to the MAX3120 family of low-profile infrared transceivers manufactured by Analog Devices / Maxim Integrated. The family includes variants with different temperature ratings and packaging options, such as the MAX3120EUA+ for extended industrial temperatures.
Replacement Considerations
The MAX3120EUA+ serves as a verified alternative offering an extended operating temperature range of -40°C to +85°C while maintaining the same 8-pin µMAX package form factor.
FAQ
What is the maximum supported data rate for the MAX3120?
The MAX3120 supports data rates up to 115.2kbps.
How does the MAX3120 handle ambient light interference?
The device includes on-chip filtering to reject out-of-band ambient light signals that would otherwise interfere with IR communication.
What is the function of the SHDN pin?
The SHDN pin is an active-low shutdown input that reduces supply current to approximately 10nA when asserted.
