Overview
The ADM4850ACPZ-REEL7 is a half-duplex RS-485/RS-422 transceiver produced by Analog Devices Inc. This device is part of the ADM4850 to ADM4857 series, which are fully specified over commercial and industrial temperature ranges. The ADM4850ACPZ-REEL7 is available in an 8-lead LFCSP (3mm x 3mm with EP) package and is designed for high-speed data transmission with reduced electromagnetic interference (EMI).
Key Specifications
| Parameter | Value | Unit | Test Conditions |
|---|---|---|---|
| Data Rate | 115 kbps | ||
| Half-Duplex/Full Duplex | Half-Duplex | ||
| Supply Current in Shutdown | 5 µA (maximum) | ||
| Bus Common-Mode Range | -7 V to +12 V | ||
| Propagation Delay | 50 - 180 ns | ns | RLDIFF = 54 Ω, CL1 = CL2 = 100 pF |
| Rise/Fall Times | 140 - 2400 ns | ns | RLDIFF = 54 Ω, CL1 = CL2 = 100 pF |
| Enable Time | 2000 ns | ns | RL = 500 Ω, CL = 100 pF |
| Disable Time | 2000 ns | ns | RL = 500 Ω, CL = 15 pF |
| Temperature Range | -40°C to +85°C | ||
| Package Type | 8-Lead LFCSP (3mm x 3mm with EP) |
Key Features
- Compliant with EIA RS-485/RS-422 standards
- 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
- Outputs high-Z when disabled or powered off
- Up to 256 transceivers can be connected on one bus
- Pin-compatible with the MAX308x series
Applications
- Industrial automation and control systems
- Building automation and HVAC systems
- Point-of-sale terminals and other commercial equipment
- Automotive and aerospace communication systems
- Medical devices requiring reliable data transmission
Q & A
- What is the data rate of the ADM4850ACPZ-REEL7?
The data rate of the ADM4850ACPZ-REEL7 is 115 kbps. - Is the ADM4850ACPZ-REEL7 a half-duplex or full-duplex transceiver?
The ADM4850ACPZ-REEL7 is a half-duplex transceiver. - What is the supply current in shutdown mode?
The supply current in shutdown mode is 5 µA (maximum). - What is the bus common-mode range of the ADM4850ACPZ-REEL7?
The bus common-mode range is -7 V to +12 V. - What is the propagation delay of the ADM4850ACPZ-REEL7?
The propagation delay is between 50 ns and 180 ns. - Does the ADM4850ACPZ-REEL7 have thermal shutdown protection?
Yes, the ADM4850ACPZ-REEL7 has thermal shutdown and short-circuit protection. - How many transceivers can be connected on one bus?
Up to 256 transceivers can be connected on one bus. - What package type is the ADM4850ACPZ-REEL7 available in?
The ADM4850ACPZ-REEL7 is available in an 8-Lead LFCSP (3mm x 3mm with EP) package. - Is the ADM4850ACPZ-REEL7 pin-compatible with other devices?
Yes, it is pin-compatible with the MAX308x series. - What are some common applications of the ADM4850ACPZ-REEL7?
Common applications include industrial automation, building automation, point-of-sale terminals, automotive and aerospace communication systems, and medical devices.
