The MAX14783EESA+T from Analog Devices, originally Maxim Integrated, is a high-speed half-duplex RS-485 transceiver designed to interface microcontrollers, processors, FPGAs, and other digital controllers with differential RS-485 networks. It operates from a flexible 3.0V to 5.5V supply, supporting both 3.3V and 5V systems.
For the exact MAX14783EESA+T ordering option, ADI specifies a maximum data rate of 40Mbps. This is worth distinguishing from the MAX14783E family’s headline maximum of 42Mbps, which applies to other package and temperature-grade configurations.
The device provides robust bus protection with ±35kV HBM ESD, ±20kV IEC 61000-4-2 air-gap discharge, ±12kV IEC 61000-4-2 contact discharge, and ±4kV EFT protection. Short-circuit-protected driver outputs further improve reliability in demanding industrial communication environments.
An integrated true fail-safe receiver prevents false receiver-output transitions when the bus inputs are open or shorted. The MAX14783E also incorporates hot-swap capability, reducing unwanted bus transitions during power-up or live insertion.
The receiver presents a standard 1-unit-load input, allowing up to 32 transceivers on a single RS-485 bus. A low-power shutdown mode reduces supply current to 10µA maximum, making the device suitable for industrial field buses, encoder interfaces, motion controllers, and backplane communication.
The exact MAX14783EESA+T is specified in an 8-pin narrow SO package and operates from -40°C to +85°C. The +T ordering option is the tape-and-reel version. ADI currently lists MAX14783EESA+T as PRODUCTION.
Key Specifications:
- Brand: Analog Devices / ADI / Maxim Integrated
- Part Number: MAX14783EESA+T
- Family: MAX14783E
- Product Type: RS-485 Transceiver
- Duplex Mode: Half-Duplex
- Drivers / Receivers: 1 / 1
- Supply Voltage: 3.0V to 5.5V
- 3.3V Operation: Supported
- 5V Operation: Supported
- Exact EESA Maximum Data Rate: 40Mbps
- Family Maximum Data Rate: Up to 42Mbps
- HBM ESD Protection: ±35kV
- IEC 61000-4-2 Air-Gap ESD: ±20kV
- IEC 61000-4-2 Contact ESD: ±12kV
- IEC 61000-4-4 EFT: ±4kV
- True Fail-Safe Receiver: Yes
- Hot-Swap Capability: Yes
- Short-Circuit-Protected Outputs: Yes
- Receiver Load: 1 Unit Load
- Maximum Bus Nodes: 32
- Shutdown Mode: Yes
- Maximum Shutdown Current: 10µA
- Operating Temperature: -40°C to +85°C
- Package: 8-Pin Narrow SO
- Mounting Type: SMD / SMT
- Packaging: Tape & Reel (+T)
- Lead-Free / RoHS: Yes
- Product Status: PRODUCTION.
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