Overview
The ADM3202ARW, manufactured by Analog Devices Inc., is a high-speed, low-power RS-232/V.28 interface transceiver. This device is designed to operate from a single 3.3 V power supply, making it ideal for battery-powered portable instruments. It conforms to the EIA-232E and CCITT V.28 specifications and supports data rates up to 460 kbps. The ADM3202ARW features a charge pump voltage converter that allows it to generate the necessary RS-232 voltage levels from the 3.3 V supply, ensuring efficient operation with minimal power consumption.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Comments |
|---|---|---|---|---|---|
| Operating Voltage Range | 3.0 | 3.3 | 5.5 | V | VCC Power Supply |
| Power Supply Current | 1.3 | 3 | 12 | mA | No load, RL = 3 kΩ to GND |
| Shutdown Supply Current | 0.01 | 0.5 | μA | ||
| Logic Input Threshold Low (VINL) | 0.8 | V | |||
| Logic Input Threshold High (VINH) | 2.0 | V | |||
| CMOS Output Voltage Low (VOL) | 0.4 | V | IOUT = 1.6 mA | ||
| CMOS Output Voltage High (VOH) | V | IOUT = -1.6 mA | |||
| Data Rate | 460 | kbps | |||
| Number of Drivers/Receivers | 2/2 | ||||
| Package/Case | 16-SOIC | ||||
| Operating Temperature | -40 | 85 | °C |
Key Features
- Low Power Consumption: The ADM3202ARW is designed with CMOS technology to minimize power dissipation, making it suitable for battery-powered applications.
- Single 3.3 V Power Supply: Operates from a single 3.3 V supply, eliminating the need for additional voltage sources.
- High-Speed Data Rates: Supports data rates up to 460 kbps, ensuring high-speed communication.
- Charge Pump Voltage Converter: Includes a charge pump voltage converter to generate the necessary RS-232 voltage levels from the 3.3 V supply.
- ESD Protection: Provides ESD protection to IEC 1000-4-2 (801.2) on RS-232 pins, with ±8 kV contact discharge and ±15 kV air gap discharge.
- Shutdown Facility: Although the ADM3202 does not have a shutdown facility, it is part of a family that includes devices with this feature (e.g., ADM3222 and ADM1385).
Applications
- General-Purpose RS-232 Data Links: Suitable for various RS-232 communication needs.
- Portable Instruments: Ideal for battery-powered portable instruments due to its low power consumption.
- Printers and Palmtop Computers: Used in printers, palmtop computers, and PDAs where low power and high-speed data transmission are required.
Q & A
- What is the operating voltage range of the ADM3202ARW?
The operating voltage range is 3.0 V to 5.5 V, with a typical voltage of 3.3 V.
- How many drivers and receivers does the ADM3202ARW have?
The ADM3202ARW has 2 drivers and 2 receivers.
- What is the maximum data rate supported by the ADM3202ARW?
The maximum data rate supported is up to 460 kbps.
- What type of package does the ADM3202ARW come in?
The ADM3202ARW comes in a 16-lead SOIC package.
- Does the ADM3202ARW have ESD protection?
Yes, it provides ESD protection to IEC 1000-4-2 (801.2) on RS-232 pins.
- What is the typical power supply current of the ADM3202ARW?
The typical power supply current is 3 mA with no load and up to 12 mA with RL = 3 kΩ to GND.
- Is the ADM3202ARW suitable for battery-powered devices?
Yes, it is designed for low power consumption, making it ideal for battery-powered portable instruments.
- What are the common applications of the ADM3202ARW?
Common applications include general-purpose RS-232 data links, portable instruments, printers, palmtop computers, and PDAs.
- Does the ADM3202ARW have a shutdown facility?
No, the ADM3202ARW does not have a shutdown facility, but other devices in the same family (e.g., ADM3222 and ADM1385) do.
- What is the operating temperature range of the ADM3202ARW?
The operating temperature range is -40°C to +85°C.
