Overview
The LTC2801IDE#PBF is a single RS-232 transceiver from Analog Devices Inc., designed to operate within a wide voltage range of 1.8V to 5.5V. This device is part of the LTC2801 family, which includes various configurations for different application needs. The LTC2801IDE#PBF is particularly suited for systems requiring a single driver and receiver, making it a versatile component for serial communication applications.
Key Specifications
| Parameter | Value | Notes |
|---|---|---|
| Supply Voltage (VCC) | 1.8V to 5.5V | Input supply voltage range |
| Logic Supply (VL) | 1.8V to 5.5V | Logic supply for receiver outputs, driver inputs, and control inputs |
| Number of Drivers/Receivers | 1 + 1 | One driver and one receiver |
| Data Rate | 250 kbps | Maximum data rate for the transceiver |
| Protocol | RS-232 | Compliant with RS-232 serial communication protocol |
| Package | 12-DFN (4x3) | Package type and dimensions |
| Receiver Hysteresis | 400 mV | Hysteresis for receiver inputs to improve noise immunity |
| Driver Propagation Delay | 0.2 µs to 2 µs | Propagation delay for driver outputs |
| Receiver Propagation Delay | 0.2 µs to 0.4 µs | Propagation delay for receiver outputs |
Key Features
- Wide Voltage Range: Operates on a supply voltage of 1.8V to 5.5V, making it versatile for various system designs.
- Low Power Consumption: Efficient power management with a switching regulator to generate the necessary higher voltage for RS-232 operation.
- High Data Rate: Supports data rates up to 250 kbps, suitable for high-speed serial communication applications.
- Compact Package: Available in a 12-DFN (4x3) package, ideal for space-constrained designs.
- Receiver Hysteresis: Includes 400 mV hysteresis for receiver inputs to enhance noise immunity and reliability.
- Multiple Operating Modes: Supports various modes including shutdown, auto-on, and always-on, providing flexibility in system design.
Applications
- Industrial Automation: Used in industrial control systems, sensors, and actuators that require reliable serial communication.
- Medical Devices: Suitable for medical equipment that needs robust and low-power serial communication solutions.
- Consumer Electronics: Applied in various consumer electronics such as printers, scanners, and other peripherals that use RS-232 interfaces.
- Embedded Systems: Ideal for embedded systems requiring compact, low-power, and reliable serial communication capabilities.
Q & A
- What is the operating voltage range of the LTC2801IDE#PBF?
The LTC2801IDE#PBF operates on a supply voltage range of 1.8V to 5.5V.
- How many drivers and receivers does the LTC2801IDE#PBF have?
The LTC2801IDE#PBF has one driver and one receiver.
- What is the maximum data rate supported by the LTC2801IDE#PBF?
The maximum data rate supported is 250 kbps.
- What is the package type of the LTC2801IDE#PBF?
The package type is 12-DFN (4x3).
- What is the receiver hysteresis of the LTC2801IDE#PBF?
The receiver hysteresis is 400 mV.
- Does the LTC2801IDE#PBF support multiple operating modes?
Yes, it supports various modes including shutdown, auto-on, and always-on.
- What are the typical applications of the LTC2801IDE#PBF?
It is used in industrial automation, medical devices, consumer electronics, and embedded systems.
- How does the LTC2801IDE#PBF manage power consumption?
It uses a switching regulator to generate the necessary higher voltage for RS-232 operation, which helps in efficient power management.
- What are the propagation delays for the driver and receiver outputs?
The driver propagation delay is 0.2 µs to 2 µs, and the receiver propagation delay is 0.2 µs to 0.4 µs.
- How do I ensure proper noise immunity for the receiver inputs?
The device includes 400 mV hysteresis for receiver inputs to enhance noise immunity.
