Overview
The ADM3074EARZ-REEL7, produced by Analog Devices Inc., is a 3.3 V, low-power data transceiver designed for RS-485 and RS-422 communications. This device is part of the ADM307xE series, which features high-speed data transmission capabilities, robust protection mechanisms, and low power consumption. It is suitable for various industrial and commercial applications requiring reliable and efficient data communication over multipoint bus networks.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|---|
| Maximum Data Rate | - | - | - | 500 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 | |
| Enable to Output High | tDZH | - | - | 2500 ns | - | |
| Operating Temperature Range | - | -40°C | - | +125°C | - | |
| Package Type | - | - | - | 8-Lead Standard Small Outline Package (SOIC_N) | - |
Key Features
- ±15 kV ESD protection on RS-485 input/output pins
- Half- and full-duplex options
- True fail-safe receiver inputs
- Up to 256 nodes on the bus
- Hot-swap input structure on DE and RE pins
- Reduced slew rates for low EMI
- 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/energy metering
- Industrial control
- Lighting systems
- Telecommunications
- Security systems
- Instrumentation
Q & A
- What is the maximum data rate of the ADM3074EARZ-REEL7? The maximum data rate is 500 kbps.
- What type of ESD protection does the ADM3074EARZ-REEL7 offer? It offers ±15 kV ESD protection on RS-485 input/output pins.
- What are the operating temperature ranges for this device? The operating temperature range is from -40°C to +125°C.
- Does the ADM3074EARZ-REEL7 support hot-swap capability? Yes, it supports hot-swap input structure on DE and RE pins.
- What is the common-mode input range of the ADM3074EARZ-REEL7? The common-mode input range is from -7 V to +12 V.
- How many nodes can be supported on the bus with this device? Up to 256 nodes can be supported on the bus.
- What type of package does the ADM3074EARZ-REEL7 come in? It comes in an 8-Lead Standard Small Outline Package (SOIC_N).
- Does the device have thermal shutdown and short-circuit protection? Yes, it has thermal shutdown and short-circuit protection.
- What are some of the key applications for the ADM3074EARZ-REEL7? Key applications include power/energy metering, industrial control, lighting systems, telecommunications, security systems, and instrumentation.
- Does the device support both half- and full-duplex communication? Yes, it supports both half- and full-duplex options.
