Overview
The MAX3160EAP+TG51 is a programmable RS-232/RS-485/422 multiprotocol transceiver produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX3160/MAX3161/MAX3162 family and is designed to operate over a voltage range of +3.0V to +5.5V. It is particularly notable for its low power consumption, with a shutdown supply current of 1µA, and its ability to function in various communication protocols.
The MAX3160EAP+TG51 is pin-programmable, allowing it to be configured as either a 2TX/2RX RS-232 interface or a single RS-485/422 transceiver. This flexibility makes it a versatile component for a wide range of applications requiring serial communication.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Operating Voltage Range | +3.0V to +5.5V | |
| Shutdown Supply Current | 1µA | |
| Maximum Data Rate (RS-232) | 250 kbps | RL = 3kΩ, CL = 1000pF |
| Receiver Propagation Delay | 0.15 µs | R_IN to R_OUT, CL = 150pF |
| Transmitter Output Voltage Swing | ±5 to ±5.4 V | Loaded with 3kΩ to GND |
| Output Short-Circuit Current | ±30 to ±60 mA | T_OUT = GND |
| Package Type | 20 SSOP | |
| Operating Temperature Range | -40°C to +85°C |
Key Features
- Flexible Configuration: Pin-programmable as either 2TX/2RX RS-232 or half/full RS-485 transceiver.
- Low Power Consumption: Shutdown supply current of 1µA.
- Integrated Protection: Transmitters and receivers protected against wiring faults, short-circuit protection, and thermal protection.
- True Fail-Safe Receiver: Prevents false transitions on receiver input short or open.
- Slew Rate Limiting: Minimizes electromagnetic interference (EMI) and reduces cable reflections.
- Integrated Charge-Pump Circuitry: Saves board space and eliminates the need for a bipolar ±12V supply.
- Single-Supply Operation: Operates from a single +3V to +5.5V voltage supply.
Applications
- Industrial Automation: Used in control systems, sensors, and actuators that require reliable serial communication.
- Medical Devices: Suitable for medical equipment that needs robust and low-power serial communication interfaces.
- Automotive Systems: Applied in vehicle networks and diagnostic systems requiring multiprotocol transceivers.
- Point-of-Sale (POS) Systems: Used in POS terminals and other retail equipment for serial communication.
- Embedded Systems: Ideal for embedded systems that require flexible and reliable serial communication capabilities.
Q & A
- What is the operating voltage range of the MAX3160EAP+TG51?
The operating voltage range is +3.0V to +5.5V.
- What is the maximum data rate for RS-232 communication?
The maximum data rate is 250 kbps.
- What is the shutdown supply current of the MAX3160EAP+TG51?
The shutdown supply current is 1µA.
- Can the MAX3160EAP+TG51 be configured as both RS-232 and RS-485/422 transceivers?
Yes, it is pin-programmable to function as either a 2TX/2RX RS-232 interface or a single RS-485/422 transceiver.
- What kind of protection does the MAX3160EAP+TG51 offer?
The device offers integrated protection including short-circuit protection, thermal protection, and protection against wiring faults.
- What is the significance of the integrated charge-pump circuitry?
The integrated charge-pump circuitry saves board space and eliminates the need for a bipolar ±12V supply, allowing single-supply operation.
- What is the typical operating temperature range for the MAX3160EAP+TG51?
The operating temperature range is -40°C to +85°C.
- How many transceivers can be connected on the bus?
Up to 256 transceivers can be connected on the bus.
- What is the package type of the MAX3160EAP+TG51?
The package type is 20 SSOP.
- What are some common applications of the MAX3160EAP+TG51?
Common applications include industrial automation, medical devices, automotive systems, point-of-sale systems, and embedded systems.
