Overview
The ADM3101EARQZ-REEL, produced by Analog Devices Inc., is a high-speed, single-channel RS-232/ITU-T V.28 transceiver interface device. It operates from a single 3.3V power supply, making it ideal for battery-powered portable instruments due to its low power consumption. The device conforms to the EIA/TIA-232E and ITU-T V.28 specifications and is designed to handle data rates up to 460 kbps. It features robust electrostatic discharge (ESD) protection of up to ±15 kV, making it suitable for operation in electrically harsh environments or where RS-232 cables are frequently plugged and unplugged.
Key Specifications
| Parameter | Rating/Value |
|---|---|
| Operating Voltage Range | 3 to 5.5V (VCC = 3.3V ± 0.3V) |
| Power Supply Current | 2.6mA (no load, VCC = 3.3V ± 0.3V, −40°C ≤ TA ≤ +85°C) |
| Maximum Data Rate | 460 kbps |
| Transition Region Slew Rate | 30V/μs (3V to -3V or -3V to +3V, VCC = 3.3V, RL = 3Kohm, TA = 25°C) |
| ESD Protection | ±15 kV (HBM), ±8 kV (Contact), ±15 kV (Air Gap) |
| Temperature Rating Range | −40°C to +85°C |
| Package Type | 12-lead LFCSP or 16-lead QSOP |
| Charge Pump Capacitors | Four external 0.1μF capacitors |
Key Features
- High-speed data transmission up to 460 kbps
- Single 3.3V power supply operation with low power consumption
- Compliance with EIA/TIA-232E and ITU-T V.28 specifications
- Robust ESD protection (±15 kV) on RS-232 and CMOS I/O pins
- Four external 0.1μF charge pump capacitors for voltage doubler/inverter
- CMOS input and output pins compatible with 1.8V and TTL/CMOS logic thresholds
- Schmitt trigger input with a hysteresis level of 0.4V for error-free reception
Applications
- General-purpose RS-232 data links
- Industrial and telecommunications diagnostics ports
- Battery-powered portable instruments
- Environments with frequent RS-232 cable connections and disconnections
- Electrically harsh environments requiring robust ESD protection
Q & A
- What is the operating voltage range of the ADM3101EARQZ-REEL?
The operating voltage range is from 3 to 5.5V, with a typical VCC of 3.3V ± 0.3V.
- What is the maximum data rate supported by the ADM3101EARQZ-REEL?
The maximum data rate is 460 kbps.
- What type of ESD protection does the ADM3101EARQZ-REEL offer?
The device offers ±15 kV ESD protection on RS-232 and CMOS I/O pins.
- What is the temperature rating range of the ADM3101EARQZ-REEL?
The temperature rating range is from −40°C to +85°C.
- What package types are available for the ADM3101EARQZ-REEL?
The device is available in both 12-lead LFCSP and 16-lead QSOP packages.
- How many charge pump capacitors are required for the ADM3101EARQZ-REEL?
Four external 0.1μF charge pump capacitors are required.
- Is the ADM3101EARQZ-REEL suitable for battery-powered devices?
Yes, it is suitable due to its low power consumption.
- What logic thresholds are supported by the CMOS input and output pins?
The CMOS input and output pins support 1.8V and TTL/CMOS logic thresholds.
- Does the ADM3101EARQZ-REEL have any special input features for error-free reception?
Yes, it features a Schmitt trigger input with a hysteresis level of 0.4V for error-free reception.
- What are some typical applications of the ADM3101EARQZ-REEL?
Typical applications include general-purpose RS-232 data links, industrial and telecommunications diagnostics ports, and battery-powered portable instruments.
