Overview
The ADM4852ARZ, produced by Analog Devices Inc., is a high-speed, slew-rate limited, half-duplex and full-duplex RS-485/RS-422 transceiver. This device is designed for balanced data transmission and complies with EIA Standards RS-485 and RS-422. It is suitable for high-speed data communication on multipoint bus transmission lines, making it ideal for various industrial and automotive applications.
Key Specifications
| Parameter | Value | Unit | Test Conditions |
|---|---|---|---|
| Data Rate | 2.5 Mbps | ||
| Half-Duplex/Full Duplex | Both options available | ||
| Supply Voltage | 5 V ± 5% | V | |
| Propagation Delay (Driver) | 0 - 30 ns | ns | RLDIFF = 54 Ω, CL1 = CL2 = 100 pF |
| Propagation Delay (Receiver) | 55 - 190 ns | ns | CL = 15 pF |
| Rise/Fall Times | 30 ns | ns | RLDIFF = 54 Ω, CL1 = CL2 = 100 pF |
| Enable Time | 35 ns | ns | RL = 500 Ω, CL = 100 pF |
| Disable Time | 35 ns | ns | RL = 500 Ω, CL = 100 pF |
| Bus Common-Mode Range | -7 V to +12 V | V | |
| Operating Temperature Range | -40°C to +85°C | °C | |
| Package Types | 8-lead SOIC, 8-lead LFCSP, 8-lead MSOP |
Key Features
- Compliance with EIA Standards RS-485 and RS-422
- High-speed data rates up to 2.5 Mbps
- Half-duplex and full-duplex operation
- Reduced slew rates for low electromagnetic interference (EMI)
- True fail-safe receiver inputs
- Low supply current in shutdown mode (5 µA maximum)
- Thermal shutdown and short-circuit protection
- Pin-compatible with the MAX308x series
- Supports up to 256 transceivers on one bus
Applications
- Low power RS-485 applications
- EMI sensitive systems
- DTE to DCE interfaces
- Industrial control systems
- Packet switching networks
- Local area networks
- Level translators
- Automotive applications
Q & A
- What is the data rate of the ADM4852ARZ?
The ADM4852ARZ has a data rate of up to 2.5 Mbps. - Is the ADM4852ARZ compliant with RS-485 and RS-422 standards?
Yes, the ADM4852ARZ is compliant with EIA Standards RS-485 and RS-422. - What are the operating temperature ranges for the ADM4852ARZ?
The operating temperature range is -40°C to +85°C. - What types of packages are available for the ADM4852ARZ?
The device is available in 8-lead SOIC, 8-lead LFCSP, and 8-lead MSOP packages. - How many transceivers can be supported on one bus?
Up to 256 transceivers can be supported on one bus. - What is the supply voltage for the ADM4852ARZ?
The supply voltage is 5 V ± 5%. - Does the ADM4852ARZ have thermal shutdown protection?
Yes, it has thermal shutdown and short-circuit protection. - What is the maximum supply current in shutdown mode?
The maximum supply current in shutdown mode is 5 µA. - Is the ADM4852ARZ suitable for automotive applications?
Yes, it is qualified for automotive applications. - What is the bus common-mode range for the ADM4852ARZ?
The bus common-mode range is -7 V to +12 V.
