Overview
The LTC2851IMS8#PBF is a 3.3V, 20Mbps RS485/RS422 transceiver produced by Analog Devices Inc. (formerly Linear Technology). This component is designed for low-power applications and supports high-speed data transmission. It is available in an 8-pin MSOP package and is compatible with TIA/EIA-485-A specifications. The LTC2851 is a full-duplex transceiver, meaning it can transmit and receive data simultaneously, and it does not include enable pins, simplifying its integration into various systems.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage (VCC) | –0.3V to 7V |
| Logic Input Voltages (RE, DE, DI) | –0.3V to 7V |
| Interface I/O Voltage Range | (VCC – 15V) to 15V |
| Receiver Output Voltage (RO) | –0.3V to (VCC + 0.3V) |
| Maximum Data Rate | 20Mbps |
| Operating Temperature Range | 0°C to 70°C (Commercial), –40°C to 85°C (Industrial) |
| Package Type | 8-Pin MSOP |
| Number of Nodes Supported | Up to 256 nodes per bus |
| ESD Protection | No damage or latchup up to ±15kV HBM |
Key Features
- Low power consumption, making it suitable for energy-efficient designs.
- High-speed data transmission up to 20Mbps.
- Full-duplex operation, allowing simultaneous transmission and reception of data.
- No enable pins, simplifying the design and reducing the number of control signals needed.
- Failsafe feature that guarantees a high output state under conditions of floating or shorted inputs.
- Current limiting and thermal shutdown to prevent excessive power dissipation.
- High input impedance, supporting up to 256 nodes per bus.
- Compatible with TIA/EIA-485-A specifications.
Applications
- Industrial automation and control systems.
- Automotive interfaces, including CAN, audio, and Ethernet.
- Telecommunications and networking equipment.
- Medical devices requiring reliable and high-speed data transmission.
- Embedded systems and IoT devices.
- Backplane and level translation applications.
Q & A
- What is the maximum data rate of the LTC2851IMS8#PBF?
The maximum data rate is 20Mbps. - What is the operating supply voltage range for the LTC2851IMS8#PBF?
The operating supply voltage range is from –0.3V to 7V. - What types of packages are available for the LTC2851IMS8#PBF?
The component is available in an 8-pin MSOP package. - Does the LTC2851IMS8#PBF support full-duplex operation?
Yes, it supports full-duplex operation. - How many nodes can the LTC2851IMS8#PBF support per bus?
It can support up to 256 nodes per bus. - What is the ESD protection level of the LTC2851IMS8#PBF?
The component has no damage or latchup up to ±15kV HBM. - What are the key features of the failsafe mechanism in the LTC2851IMS8#PBF?
The failsafe feature guarantees a high output state under conditions of floating or shorted inputs. - Is the LTC2851IMS8#PBF compatible with TIA/EIA-485-A specifications?
Yes, it is compatible with TIA/EIA-485-A specifications. - What are some common applications of the LTC2851IMS8#PBF?
Common applications include industrial automation, automotive interfaces, telecommunications, medical devices, and embedded systems. - Does the LTC2851IMS8#PBF have built-in current limiting and thermal shutdown?
Yes, it has built-in current limiting and thermal shutdown to prevent excessive power dissipation.
