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Product Detailed Parameters
- Description：IC TRANSCEIVER 4/0 16SOIC
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- Series：-
- Type：Driver
- Protocol：RS422, RS485
- Number of Drivers/Receivers：4/0
- Duplex：-
- Data Rate：2.5Mbps
- Voltage - Supply：4.75V ~ 5.25V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SOIC
- Receiver Hysteresis：-
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Overview
The MAX3044ESE+T is a quad RS-485/RS-422 transmitter operating from a single +5V supply. It supports data rates up to 2.5Mbps with slew-rate limiting to minimize EMI. The device features ±10kV Human Body Model ESD protection and ±4kV IEC 1000-4-4 Electrical Fast Transient immunity. It includes hot-swap capability for safe insertion into live backplanes. Operating current is 1mA, with a shutdown mode consuming 2nA. It operates within a temperature range of -40°C to +85°C and is housed in a 16-pin Narrow SO package.
Feature Summary
- Hot-swap capability prevents false transitions during power-up or board insertion
- Slew-rate limiting reduces reflections on improperly terminated cables
- Robust transient immunity protects against electrical fast transients
- Ultra-low power consumption in shutdown mode
Applications
- Telecommunications equipment
- Industrial motor control systems
- Hand-held equipment interfaces
- Industrial PLCs
- Networking applications
Procurement Notes
Verify the component matches the exact part number MAX3044ESE+T. Confirm the manufacturer is Analog Devices / Maxim Integrated. Ensure the package type is 16-pin Narrow SO. Check that the temperature grade corresponds to the 'E' suffix (-40°C to +85°C). Validate RoHS compliance status through official documentation.
Selection Notes
Select this component when a quad RS-485/RS-422 transmitter is required at 2.5Mbps. It is suitable for environments needing high ESD and EFT immunity. Use it where hot-swap functionality is necessary for system reliability. Consider it as a pin-compatible upgrade to legacy SN75174 or DS26LS31C designs.
Part Context
This device belongs to the MAX3040–MAX3045 family of 5V quad transmitters. The MAX3044 specifically handles 2.5Mbps data rates. Other family members include slower 250kbps variants (MAX3040/MAX3043) and faster 20Mbps versions (MAX3042B/MAX3045B). All share similar packaging and interface standards.
Replacement Considerations
Publicly confirmed pin-compatible replacements include the industry-standard 'SN75174 and 'DS26LS31C. The LTC487 is also listed as a compatible alternative within the same functional category.
