Overview
The ADM3077EYRZ is a high-speed, low-power data transceiver designed by Analog Devices Inc. for RS-485 and RS-422 communication protocols. This device is part of the ADM307xE series, which features advanced protection and performance characteristics, making it suitable for a wide range of industrial and commercial applications. The ADM3077EYRZ operates at 3.3 V and supports data rates up to 16 Mbps, making it a reliable choice for high-speed data transmission.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| Supply Voltage | 3 V to 3.6 V | V | |
| Operating Temperature | -40°C to 125°C | °C | |
| Data Rate | Up to 16 Mbps | Mbps | |
| Propagation Delay (Low-to-High) | 50 ns | ns | CL = 50 pF, RL = 54 Ω |
| Propagation Delay (High-to-Low) | 50 ns | ns | CL = 50 pF, RL = 54 Ω |
| Rise/Fall Time | 15 ns | ns | CL = 50 pF, RL = 54 Ω |
| Differential Driver Output Skew | 8 ns | ns | CL = 50 pF, RL = 54 Ω |
| ESD Protection | ±15 kV | kV | On RS-485 input/output pins |
| Package Type | 8-Lead Standard Small Outline Package (NSOIC-8) |
Key Features
- High-speed data transmission up to 16 Mbps
- ±15 kV ESD protection on RS-485 input/output pins
- Full- and half-duplex operation
- Fail-safe receiver inputs ensuring a logic high output when inputs are open, shorted, or connected to a terminated transmission line with all drivers disabled
- Hot-swap capability allowing line insertion without erroneous data transfer
- Reduced slew rates for low EMI and minimized reflections
- Thermal shutdown and short-circuit protection
- 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
Applications
- Power and energy metering
- Industrial control systems
- Lighting systems
- Telecommunications
- Security systems
- Instrumentation
Q & A
- What is the maximum data rate supported by the ADM3077EYRZ?
The ADM3077EYRZ supports data rates up to 16 Mbps. - What is the operating temperature range of the ADM3077EYRZ?
The operating temperature range is -40°C to 125°C. - What type of ESD protection does the ADM3077EYRZ offer?
The ADM3077EYRZ offers ±15 kV ESD protection on RS-485 input/output pins. - Does the ADM3077EYRZ support full- and half-duplex operations?
Yes, the ADM3077EYRZ supports both full- and half-duplex operations. - What is the common-mode input range of the ADM3077EYRZ?
The common-mode input range is −7 V to +12 V. - Does the ADM3077EYRZ have thermal shutdown and short-circuit protection?
Yes, the ADM3077EYRZ features thermal shutdown and short-circuit protection. - What is the package type of the ADM3077EYRZ?
The package type is 8-Lead Standard Small Outline Package (NSOIC-8). - Is the ADM3077EYRZ suitable for hot-swap applications?
Yes, the ADM3077EYRZ has a hot-swap capability allowing line insertion without erroneous data transfer. - What are some of the key applications of the ADM3077EYRZ?
The ADM3077EYRZ is used in power and energy metering, industrial control systems, lighting systems, telecommunications, security systems, and instrumentation. - Does the ADM3077EYRZ have reduced slew rates for EMI reduction?
Yes, the ADM3077EYRZ features reduced slew rates to minimize EMI and reflections caused by improperly terminated cables.
