Overview
The ADM3078EYRZ-REEL7, produced by Analog Devices Inc., is a 3.3 V, low-power data transceiver designed for full- and half-duplex communication on multipoint bus networks. This device is part of the ADM307xE series, which features high-speed transceivers for RS-485 and RS-422 communications. It is equipped with advanced protection and performance features, making it suitable for a wide range of industrial and commercial applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Maximum Data Rate | - | - | 16 Mbps | - | VCC = 3.3 V ± 10%, TA = TMIN to TMAX |
| Propagation Delay, Low-to-High Level (tDPLH) | - | 50 ns | - | CL = 50 pF, RL = 54 Ω | |
| Propagation Delay, High-to-Low Level (tDPHL) | - | 50 ns | - | CL = 50 pF, RL = 54 Ω | |
| Rise Time/Fall Time (tDR/tDF) | - | 15 ns | - | CL = 50 pF, RL = 54 Ω | |
| Differential Driver Output Skew (tDSKEW) | - | 8 ns | - | CL = 50 pF, RL = 54 Ω | |
| Enable to Output High (tDZH) | - | 150 ns | - | - | |
| Operating Temperature Range | -40°C | - | 125°C | - | - |
| ESD Protection | - | - | ±15 kV | - | On RS-485 input/output pins |
| Package Type | - | - | 8-Lead Standard Small Outline Package (SOIC_N) | - | - |
Key Features
- High-speed data transmission up to 16 Mbps
- Full- and half-duplex communication options
- ±15 kV ESD protection on RS-485 input/output pins
- True fail-safe receiver inputs ensuring a logic high output when receiver inputs are open, shorted, or connected to a terminated transmission line with all drivers disabled
- Hot-swap input structure on DE and RE pins allowing line insertion without erroneous data transfer
- Reduced slew rates for low EMI and reduced reflections caused by improperly terminated cables
- Low power shutdown current (except for certain models)
- 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 and energy metering
- Industrial control systems
- Lighting systems
- Telecommunications
- Security systems
- Instrumentation
Q & A
- What is the maximum data rate of the ADM3078EYRZ-REEL7?
The maximum data rate is 16 Mbps. - What type of ESD protection does the ADM3078EYRZ-REEL7 offer?
The device offers ±15 kV ESD protection on RS-485 input/output pins. - What are the operating temperature ranges for the ADM3078EYRZ-REEL7?
The operating temperature range is from -40°C to +125°C. - Does the ADM3078EYRZ-REEL7 support full- and half-duplex communication?
Yes, it supports both full- and half-duplex communication. - What is the package type of the ADM3078EYRZ-REEL7?
The package type is an 8-Lead Standard Small Outline Package (SOIC_N). - Does the ADM3078EYRZ-REEL7 have fail-safe receiver inputs?
Yes, it features true fail-safe receiver inputs. - What is the common-mode input range of the ADM3078EYRZ-REEL7?
The common-mode input range is −7 V to +12 V. - Does the ADM3078EYRZ-REEL7 have thermal shutdown and short-circuit protection?
Yes, it includes thermal shutdown and short-circuit protection. - What are some typical applications of the ADM3078EYRZ-REEL7?
Typical applications include power and energy metering, industrial control systems, lighting systems, telecommunications, security systems, and instrumentation. - How does the hot-swap capability of the ADM3078EYRZ-REEL7 work?
The hot-swap input structure on DE and RE pins allows line insertion without erroneous data transfer.
