Overview
The ADM3311EARS-REEL7 is a high-performance RS-232 transceiver chip manufactured by Analog Devices Inc. This device is designed to operate in harsh electrical environments and is particularly suited for applications requiring low power consumption and high data rate capabilities. It features integrated electrostatic discharge (ESD) protection, full-duplex data transmission, and a wide operating temperature range, making it ideal for various industrial and consumer electronics applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Operating Voltage Range | 2.7 | 3.6 | V | VCC | |
| Maximum Data Rate | 250 | 460 | 920 | kbps | RL = 3 kΩ to 7 kΩ, CL = 50 pF to 1000 pF, VCC = 3.0 V |
| Receiver Propagation Delay (TPHL, TPLH) | 0.3 | 1 | µs | CL = 150 pF | |
| Receiver Output Enable Time (tER) | 100 | ns | |||
| Receiver Output Disable Time (tDR) | 300 | ns | |||
| Transmitter Propagation Delay (TPHL, TPLH) | 500 | ns | RL = 3 kΩ, CL = 1000 pF | ||
| Transition Region Slew Rate | 3 | 18 | V/µs | ||
| Number of Drivers/Receivers | 3/5 | ||||
| Receiver Hysteresis | 140 | mV | |||
| Operating Temperature Range | -40 | 85 | °C | ||
| Package/Case | 28-SSOP |
Key Features
- Integrated electrostatic discharge (ESD) protection up to ±15 kV on RS-232 lines and CMOS inputs
- Low voltage operation from 2.7V to 3.6V
- Full-duplex data transmission with high data rate capability up to 460 kbps
- Three drivers and five receivers for multiple communication channels
- 140 mV receiver hysteresis for improved noise rejection
- Low power consumption with a shutdown facility reducing power to 66 nW
- One receiver remains active in shutdown mode, allowing monitoring of peripheral devices
- Immunity to high RF field strengths without special shielding precautions
Applications
- Data communications in industrial settings
- Point-of-sale systems
- Network equipment
- Telecommunications infrastructure
- Mobile phone handsets/data cables
- Laptop and notebook computers
- Printers and peripherals
- Modems and PDAs/Hand-Held Devices/Palmtop Computers
Q & A
- What is the operating voltage range of the ADM3311EARS-REEL7? The operating voltage range is from 2.7V to 3.6V.
- What is the maximum data rate supported by the ADM3311EARS-REEL7? The maximum data rate is up to 460 kbps.
- How many drivers and receivers does the ADM3311EARS-REEL7 have? It has three drivers and five receivers.
- What is the receiver hysteresis of the ADM3311EARS-REEL7? The receiver hysteresis is 140 mV.
- What kind of ESD protection does the ADM3311EARS-REEL7 offer? It offers integrated ESD protection up to ±15 kV on RS-232 lines and CMOS inputs.
- What is the operating temperature range of the ADM3311EARS-REEL7? The operating temperature range is from -40°C to 85°C.
- What is the package type of the ADM3311EARS-REEL7? It is packaged in a 28-SSOP case.
- Is the ADM3311EARS-REEL7 suitable for battery-powered devices? Yes, it is suitable due to its low power consumption and shutdown facility.
- Can the ADM3311EARS-REEL7 operate in harsh electrical environments? Yes, it is designed to operate in harsh electrical environments and is immune to high RF field strengths.
- What are some common applications of the ADM3311EARS-REEL7? Common applications include data communications in industrial settings, point-of-sale systems, network equipment, and telecommunications infrastructure.
