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Product Detailed Parameters
- Description：IC TRANSCEIVER FULL 1/1 8SOIC
- 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-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Receiver Hysteresis：-
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Overview
The MAX3120CSA+ 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 supports data rates up to 115kbps. The device consumes only 120µA during active operation and features a 10nA shutdown mode to extend battery life. It requires minimal external components, specifically a photodiode, an infrared LED, and a current-setting resistor. The component is housed in an 8-pin SO package and operates within a temperature range of 0°C to +70°C.
Feature Summary
- IrDA 1.2 compatible with flexible optics selection
- High-current infrared LED drive capability
- Low-noise design for reliable communication
Applications
- Personal Digital Assistants (PDAs)
- Palmtop Computers
- Cell Phones
- Hand-Held Equipment
- Peripherals
Procurement Notes
Verify the specific ordering suffix CSA against official documentation to confirm the package type and temperature range. Ensure compatibility with system power requirements and environmental conditions before procurement. Cross-reference part numbers with authorized distributors to avoid counterfeit components.
Selection Notes
Select this component for applications requiring low-power infrared communication. Consider the operating temperature range and package size constraints. Evaluate external optical component compatibility to ensure optimal performance and adherence to IrDA specifications.
Part Context
The MAX3120 series includes variants such as MAX3120CUA and MAX3120EUA, differing primarily in temperature ranges and packages. The MAX3120CSA+ belongs to the commercial temperature grade family, offering a balance of performance and cost for standard consumer electronics applications.
Replacement Considerations
Direct replacements include other MAX3120 variants like MAX3120ESA or MAX3120CUA, depending on required temperature range and package type. Verify pinout compatibility and electrical characteristics before substitution.
FAQ
What is the maximum data rate supported by the MAX3120?
The MAX3120 supports data rates up to 115kbps.
How does the MAX3120 handle ambient light interference?
The MAX3120 includes on-chip filtering that rejects out-of-band ambient light signals to prevent interference with IR communication.
What is the shutdown supply current of the MAX3120?
The MAX3120 features a shutdown mode with a supply current of 10nA.
