Overview
The ADM3072EYRZ-REEL7 is a 3.3 V, low-power data transceiver from Analog Devices Inc., designed for RS-485 and RS-422 communications. This device is part of the ADM307xE series, which features high-speed transceivers suitable for full- and half-duplex communication on multipoint bus networks. The ADM3072EYRZ-REEL7 is packaged in an 8-lead Standard Small Outline Package (SOIC_N) and is RoHS compliant.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|---|
| Maximum Data Rate | - | - | 250 | kbps | - | |
| Propagation Delay, Low-to-High Level | tDPLH | 250 | - | 1500 | ns | CL = 50 pF, RL = 54 Ω |
| Propagation Delay, High-to-Low Level | tDPHL | 250 | - | 1500 | ns | CL = 50 pF, RL = 54 Ω |
| Rise Time/Fall Time | tDR/tDF | 350 | - | 1600 | ns | CL = 50 pF, RL = 54 Ω |
| Differential Driver Output Skew | tDSKEW | - | - | 200 | ns | CL = 50 pF, RL = 54 Ω |
| Operating Temperature Range | - | -40 | - | 125 | °C | - |
| ESD Protection on RS-485 Input/Output Pins | - | - | - | ±15 kV | - | - |
Key Features
- Half- and full-duplex options
- True fail-safe receiver inputs
- Hot-swap input structure on DE and RE pins
- Reduced slew rates for low EMI
- Low power shutdown current
- Outputs high-Z when disabled or powered off
- Common-mode input range: −7 V to +12 V
- Thermal shutdown and short-circuit protection
Applications
- Power/energy metering
- Industrial control
- Lighting systems
- Telecommunications
- Security systems
- Instrumentation
Q & A
- What is the maximum data rate of the ADM3072EYRZ-REEL7?
The maximum data rate is 250 kbps. - What type of packaging does the ADM3072EYRZ-REEL7 use?
The device is packaged in an 8-lead Standard Small Outline Package (SOIC_N). - What is the operating temperature range of the ADM3072EYRZ-REEL7?
The operating temperature range is from −40°C to +125°C. - Does the ADM3072EYRZ-REEL7 have ESD protection?
Yes, it has ±15 kV ESD protection on RS-485 input/output pins. - What are the key features of the ADM3072EYRZ-REEL7?
Key features include half- and full-duplex options, true fail-safe receiver inputs, hot-swap input structure, reduced slew rates for low EMI, and low power shutdown current. - In what applications is the ADM3072EYRZ-REEL7 commonly used?
Common applications include power/energy metering, industrial control, lighting systems, telecommunications, security systems, and instrumentation. - Is the ADM3072EYRZ-REEL7 RoHS compliant?
Yes, the device is RoHS compliant. - What is the common-mode input range of the ADM3072EYRZ-REEL7?
The common-mode input range is −7 V to +12 V. - Does the ADM3072EYRZ-REEL7 have thermal shutdown and short-circuit protection?
Yes, it features thermal shutdown and short-circuit protection. - How many nodes can be supported on the bus with the ADM3072EYRZ-REEL7?
Up to 256 nodes can be supported on the bus.
