Overview
The LTC485CS8#TRPBF is a low-power differential bus/line transceiver designed by Analog Devices Inc. for multipoint data transmission in RS485 applications. This device is notable for its extended common-mode range and ultralow power consumption, making it suitable for various applications requiring low power and high reliability.
The LTC485 uses a proprietary CMOS driver output stage that extends the common-mode range beyond the power supplies, providing excellent ESD protection and immunity to latchup. This design ensures robust performance in demanding environments.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Supply Voltage (VCC) | 4.75 | - | 5.25 | V |
| Differential Driver Output Voltage (Unloaded) | - | - | 5 | V |
| Differential Driver Output Voltage (with Load) | - | - | 1.5 | V (R = 27Ω or R = 50Ω) |
| Change in Magnitude of Driver Differential Output Voltage | - | - | 0.2 | V |
| Driver Common Mode Output Voltage | - | - | 3 | V |
| Change in Magnitude of Driver Common Mode Output Voltage | - | - | 0.2 | V |
| Maximum Operating Temperature | - | - | 70 | °C |
| Minimum Operating Temperature | 0 | - | - | °C |
| Package Type | - | - | - | 8-SOIC (0.154, 3.90mm Width) |
Key Features
- Low power consumption, suitable for applications requiring minimal power usage.
- Extended common-mode range of 12V to -7V, ensuring robust performance in various environments.
- Proprietary CMOS driver output stage that eliminates latchup and provides excellent ESD protection.
- Immunity to ESD damage and latchup, enhancing device reliability.
- Supports data rates up to 20Mbps or 250kbps.
- RoHS compliant and lead-free, aligning with environmental regulations.
Applications
- Multipoint data transmission systems.
- Industrial automation and control systems.
- Automotive interfaces (e.g., CAN, Ethernet).
- Industrial I/O and communication networks.
- Any application requiring low power and high reliability in RS485/RS422 environments.
Q & A
- What is the primary application of the LTC485CS8#TRPBF?
The primary application is for multipoint data transmission in RS485 environments.
- What is the supply voltage range for the LTC485CS8#TRPBF?
The supply voltage range is from 4.75V to 5.25V.
- What is the maximum operating temperature of the LTC485CS8#TRPBF?
The maximum operating temperature is 70°C.
- Is the LTC485CS8#TRPBF RoHS compliant?
- What is the package type of the LTC485CS8#TRPBF?
The package type is 8-SOIC (0.154, 3.90mm Width).
- What data rates does the LTC485CS8#TRPBF support?
The device supports data rates up to 20Mbps or 250kbps.
- How does the LTC485CS8#TRPBF protect against ESD and latchup?
The device uses a proprietary CMOS driver output stage with Schottky diodes to prevent latchup and provide excellent ESD protection.
- What is the common-mode range of the LTC485CS8#TRPBF?
The common-mode range is from 12V to -7V.
- Is the LTC485CS8#TRPBF suitable for automotive applications?
- What are some of the key features of the LTC485CS8#TRPBF?
Key features include low power consumption, extended common-mode range, and immunity to ESD and latchup.
