Overview
The MAX13487EESA+T is a +5V, half-duplex, RS-485/RS-422-compatible transceiver produced by Analog Devices Inc./Maxim Integrated. This device features one driver and one receiver, designed for robust and reliable communication in various industrial and telecom applications. It is notable for its enhanced protection features, including ±15kV ESD protection using the Human Body Model, and its ability to operate over an extended temperature range of -40°C to +85°C.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|---|
| Supply Voltage | VCC | 4.75 | 5.25 | 5.25 | V | |
| Supply Current | ICC | SHDN = 1, RE = 0, no load | 4.5 | mA | ||
| Shutdown Supply Current | ISHDN | SHDN = 0 | 10 | µA | ||
| ESD Protection (Human Body Model) | ±15 | kV | ||||
| Driver Propagation Delay | tDPLH | RL = 110Ω, CL = 50pF | 200 | 1000 | 1000 | ns |
| Receiver Propagation Delay | tRPLH | 80 | ns | |||
| Maximum Data Rate | 500 | kbps | ||||
| Package Type | 8-pin SO |
Key Features
- AutoDirection Control: Automatically enables the driver on transmission, eliminating the need for an opto or other discrete means of isolation.
- Robust Protection Features: ±15kV ESD protection for RS-485 I/O pins using the Human Body Model.
- Hot-Swap Capability: Eliminates false transitions on the bus during power-up or live insertion.
- Enhanced Slew-Rate Limiting: Facilitates error-free data transmission (MAX13487E).
- High-Speed Version: Allows for transmission speeds up to 16Mbps (MAX13488E).
- 1/4-Unit Load Receiver Input Impedance: Allows up to 128 transceivers on the bus.
Applications
- Isolated RS-485 Interfaces: Suitable for applications requiring electrical isolation.
- Utility Meters: Used in smart metering systems for reliable data communication.
- Industrial Controls: Employed in industrial automation and control systems.
- Industrial Motor Drives: Used in motor control and drive systems.
- Automated HVAC Systems: Integrated into heating, ventilation, and air conditioning systems for automated control.
Q & A
- What is the operating voltage range of the MAX13487EESA+T?
The MAX13487EESA+T operates with a supply voltage of 4.75V to 5.25V. - What is the maximum ESD protection level for the MAX13487EESA+T?
The device offers ±15kV ESD protection using the Human Body Model. - What is the maximum data rate supported by the MAX13487E?
The MAX13487E supports a maximum data rate of 500 kbps. - What is the package type of the MAX13487EESA+T?
The device is available in an 8-pin SO package. - What is the temperature range for the MAX13487EESA+T?
The device operates over an extended temperature range of -40°C to +85°C. - Does the MAX13487EESA+T support hot-swap capability?
Yes, it eliminates false transitions on the bus during power-up or live insertion. - How many transceivers can be connected on the bus with the MAX13487EESA+T?
Up to 128 transceivers can be connected on the bus due to its 1/4-unit load receiver input impedance. - What is the purpose of AutoDirection control in the MAX13487EESA+T?
AutoDirection control automatically enables the driver on transmission, eliminating the need for an opto or other discrete means of isolation. - Is the MAX13487EESA+T suitable for industrial applications?
Yes, it is widely used in industrial controls, motor drives, and other industrial automation systems. - Does the MAX13487EESA+T have enhanced slew-rate limiting?
Yes, the MAX13487E version facilitates error-free data transmission through enhanced slew-rate limiting.
