Overview
The ADM4853ACPZ-REEL7 is a high-speed, RS-485/RS-422 compliant transceiver manufactured by Analog Devices Inc. This device is designed for high-performance communication applications, offering both half-duplex and full-duplex operation. It is part of the ADM4850 to ADM4857 series, known for its robust features and reliability in various industrial and communication environments.
Key Specifications
| Parameter | Value | Unit | Test Conditions |
|---|---|---|---|
| Data Rate | 10 Mbps | - | - |
| Propagation Delay (Driver) | 0 - 30 ns | - | RLDIFF = 54 Ω, CL1 = CL2 = 100 pF |
| Rise/Fall Times (Driver) | 30 ns | - | RLDIFF = 54 Ω, CL1 = CL2 = 100 pF |
| Propagation Delay (Receiver) | 55 - 190 ns | - | CL = 15 pF |
| Supply Current in Shutdown Mode | 5 µA (maximum) | - | - |
| Bus Common-Mode Range | -7 V to +12 V | - | - |
| Operating Temperature Range | -40°C to +85°C | - | - |
| Package Type | 8-lead LFCSP (3x3) | - | - |
Key Features
- EIA RS-485/RS-422 compliant
- High data rate of up to 10 Mbps
- Half-duplex and full-duplex operation options
- Reduced slew rates for low electromagnetic interference (EMI)
- True fail-safe receiver inputs ensuring a logic high output level when inputs are open or shorted
- Thermal shutdown and short-circuit protection
- Up to 256 transceivers on one bus due to 1/8-unit load receiver input impedance
- Outputs high-Z when disabled or powered off
Applications
- Industrial automation and control systems
- Automotive communication systems (e.g., CAN, Ethernet)
- Building automation and control systems
- Point-of-sale terminals and other commercial equipment
- Medical devices requiring reliable serial communication
- Any application requiring high-speed, reliable RS-485/RS-422 communication
Q & A
- What is the maximum data rate of the ADM4853ACPZ-REEL7?
The maximum data rate of the ADM4853ACPZ-REEL7 is 10 Mbps. - Is the ADM4853ACPZ-REEL7 compliant with RS-485/RS-422 standards?
Yes, the ADM4853ACPZ-REEL7 is EIA RS-485/RS-422 compliant. - What are the operating temperature ranges for this device?
The operating temperature range is from -40°C to +85°C. - What is the bus common-mode range of the ADM4853ACPZ-REEL7?
The bus common-mode range is -7 V to +12 V. - How many transceivers can be connected on one bus?
Up to 256 transceivers can be connected on one bus due to the 1/8-unit load receiver input impedance. - What is the supply current in shutdown mode?
The supply current in shutdown mode is 5 µA (maximum). - Does the ADM4853ACPZ-REEL7 have thermal shutdown and short-circuit protection?
Yes, it has thermal shutdown and short-circuit protection. - What package type is the ADM4853ACPZ-REEL7 available in?
The ADM4853ACPZ-REEL7 is available in an 8-lead LFCSP (3x3) package. - What are the key features of the receiver inputs?
The receiver inputs have a true fail-safe feature, ensuring a logic high output level when the inputs are open or shorted. - How does the device handle EMI?
The device has reduced slew rates to minimize electromagnetic interference (EMI).
