Overview
The ADM3101EARQZ is a high-speed, single-channel RS-232/ITU-T V.28 transceiver interface device produced by Analog Devices Inc. This device operates from a single 3.3 V power supply, making it suitable for battery-powered portable instruments and other low-power applications. It is designed to meet the EIA/TIA-232E and ITU-T V.28 specifications, supporting data rates up to 460 kbps. The ADM3101EARQZ is available in a 16-lead QSOP package and is specified over the −40°C to +85°C temperature range.
Key Specifications
| Parameter | Rating/Value |
|---|---|
| Operating Supply Voltage | 3.3 V |
| Package Type | 16-lead QSOP |
| Operating Temperature Range | −40°C to +85°C |
| Storage Temperature Range | −65°C to +150°C |
| ESD Protection | ±15 kV (contact and air gap discharge) |
| Data Rate | Up to 460 kbps |
| Input/Output Pins | Protected against electrostatic discharges |
| CMOS Input/Output Voltage Thresholds | Compatible with 1.8 V and TTL/CMOS logic thresholds |
| Charge Pump Capacitors | Four external 0.1 μF capacitors |
Key Features
- High-speed data transmission up to 460 kbps
- Single-channel RS-232/ITU-T V.28 transceiver
- Operates from a single 3.3 V power supply
- Low power consumption, ideal for battery-powered devices
- ±15 kV ESD protection on all RS-232 and CMOS input/output pins
- CMOS input and output pins compatible with 1.8 V and TTL/CMOS logic thresholds
- Schmitt trigger input with a hysteresis level of 0.4 V for error-free reception
- Internal 5 kΩ pull-down resistor on the RS-232 input
Applications
- General-purpose RS-232 data links
- Industrial and telecommunications diagnostics ports
- Battery-powered portable instruments
- Environments requiring high ESD protection, such as frequent plugging and unplugging of RS-232 cables
Q & A
- What is the operating supply voltage of the ADM3101EARQZ?
The operating supply voltage is 3.3 V.
- What is the maximum data rate supported by the ADM3101EARQZ?
The maximum data rate is up to 460 kbps.
- What type of package is the ADM3101EARQZ available in?
The device is available in a 16-lead QSOP package.
- What is the operating temperature range of the ADM3101EARQZ?
The operating temperature range is −40°C to +85°C.
- Does the ADM3101EARQZ have ESD protection?
- What type of logic thresholds are the CMOS input/output pins compatible with?
The CMOS input/output pins are compatible with 1.8 V and TTL/CMOS logic thresholds.
- What is the purpose of the Schmitt trigger input in the ADM3101EARQZ?
The Schmitt trigger input ensures error-free reception by providing a hysteresis level of 0.4 V.
- Are there any internal pull-down resistors on the RS-232 input?
- What are some typical applications of the ADM3101EARQZ?
Typical applications include general-purpose RS-232 data links, industrial and telecommunications diagnostics ports, and battery-powered portable instruments.
- Why is the ADM3101EARQZ suitable for electrically harsh environments?
The device is suitable for electrically harsh environments due to its ±15 kV ESD protection and ability to operate in environments where RS-232 cables are frequently plugged and unplugged.
