Overview
The ADM202EARUZ-REEL7, produced by Analog Devices Inc., is a robust, high-speed, 2-channel RS-232/V.28 interface device. It operates from a single +5 V power supply, making it suitable for a variety of applications, especially in harsh electrical environments. This device is designed to provide high-speed data transmission and is compliant with EU directives on electromagnetic compatibility (EMC).
Key Specifications
| Parameter | Value |
|---|---|
| Power Supply | +5 V |
| Maximum Data Rate | 230 kbps |
| Transmitter Propagation Delay | 1.0 to 1.5 µs (RL = 3 kΩ, CL = 1000 pF) |
| Receiver Propagation Delay | 0.1 to 1 µs (TPHL), 0.3 to 1 µs (TPLH) |
| Transition Region Slew Rate | 3 to 8 V/µs (RL = 3 kΩ, CL = 1000 pF) |
| ESD Protection (I/O Pins) | ±15 kV (Human body model), ±8 kV (IEC1000-4-2 contact discharge) |
| EFT Protection (I/O Pins) | ±2 kV (IEC1000-4-4) |
| EMI Immunity | 10 V/m (IEC1000-4-3) |
| Package | TSSOP |
Key Features
- High-speed data transmission up to 230 kbps
- Compliance with EIA-232E and CCITT V.28 specifications
- ESD protection in excess of ±15 kV on all I/O lines
- Fast transient/burst protection (IEC1000-4-4) and radiated immunity (IEC1000-4-3)
- Low EMI emissions (EN55022, CISPR22)
- Internal charge-pump voltage converter generating ±10 V from a single 5 V supply
- CMOS technology to minimize power dissipation, suitable for battery-powered applications
Applications
- General-purpose RS-232 data links
- Portable instruments
- PDAs and other handheld devices
- Industrial and automotive interfaces where high-speed data transmission and robust EMI/EMC compliance are required
Q & A
- What is the maximum data rate of the ADM202EARUZ-REEL7? The maximum data rate is 230 kbps.
- What is the power supply requirement for this device? It operates from a single +5 V power supply.
- What kind of ESD protection does the ADM202EARUZ-REEL7 offer? It offers ESD protection in excess of ±15 kV on all I/O lines.
- Is the ADM202EARUZ-REEL7 compliant with EMC directives? Yes, it is compliant with EU directives on EMC (89/336/EEC) and has low EMI emissions.
- What is the package type of the ADM202EARUZ-REEL7? It is available in a TSSOP package.
- What is the purpose of the internal charge-pump voltage converter? The internal charge-pump voltage converter generates ±10 V from the single 5 V input supply.
- What are the typical applications of the ADM202EARUZ-REEL7? It is used in general-purpose RS-232 data links, portable instruments, PDAs, and other applications requiring high-speed data transmission and robust EMI/EMC compliance.
- How does the device protect against fast transient/bursts? It has fast transient/burst protection according to IEC1000-4-4.
- What is the slew rate of the transmitter output? The transition region slew rate is 3 to 8 V/µs (RL = 3 kΩ, CL = 1000 pF).
- Is the ADM202EARUZ-REEL7 suitable for battery-powered devices? Yes, it uses CMOS technology to minimize power dissipation, making it suitable for battery-powered applications.
