Overview
The ADM3202ARW-REEL7, manufactured by Analog Devices Inc., is a dual transmitter/receiver RS-232 interface transceiver. This component is designed to operate from a single 3.3 V power supply, making it ideal for low-power and battery-powered applications. It conforms to the EIA-232E and CCITT V.28 specifications, ensuring compatibility with a wide range of RS-232 devices. The ADM3202ARW-REEL7 features high-speed data transmission capabilities and enhanced ESD protection, making it a reliable choice for various electronic systems.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Comments |
|---|---|---|---|---|---|
| Operating Voltage Range | 3.0 | 3.3 | 5.5 | V | VCC |
| Power Supply Current | 1.3 | 3 | 12 | mA | No load to RL = 3 kΩ to GND |
| Shutdown Supply Current | 0.01 | 0.5 | μA | SD = low | |
| Logic Input Threshold Low | 0.8 | V | VINL | ||
| Logic Input Threshold High | 2.0 | V | VINH | ||
| CMOS Output Voltage Low | 0.4 | V | IOUT = 1.6 mA | ||
| CMOS Output Voltage High | V | VOUT = ±2 V | |||
| RS-232 Output Short-Circuit Current | ±15 | mA | |||
| Maximum Data Rate | 460 | kbps | VCC = 3.3 V, RL = 3 kΩ to 7 kΩ, CL = 50 pF to 1000 pF | ||
| Operating Temperature | -40 | 85 | °C | ||
| Package / Case | 16-Pin SOIC W |
Key Features
- Low Power Consumption: Operates from a single 3.3 V power supply with low current consumption, making it suitable for battery-powered devices.
- High-Speed Data Transmission: Supports data rates up to 460 kbps, ensuring high-speed communication between devices.
- ESD Protection: Enhanced ESD protection to IEC 1000-4-2 (801.2) on RS-232 pins, with ±8 kV contact discharge and ±15 kV air gap discharge.
- Internal Charge Pump: Uses four external 0.1 μF charge pump capacitors for voltage doubler/inverter, allowing operation from a single 3.3 V supply.
- Schmitt-Trigger Inputs: Receivers have Schmitt-trigger inputs with a hysteresis level of 0.4 V, ensuring error-free reception even with noisy or slow-transition inputs.
- CMOS Compatibility: Transmitters accept TTL/CMOS levels, and receivers output CMOS logic levels.
Applications
- General-Purpose RS-232 Data Links: Suitable for various RS-232 applications requiring reliable and high-speed data transmission.
- Portable Instruments: Ideal for battery-powered portable instruments due to its low power consumption and shutdown facility.
- Printers and Palmtop Computers: Used in printers, palmtop computers, and PDAs where low power and high data rates are essential).
Q & A
- What is the operating voltage range of the ADM3202ARW-REEL7?
The operating voltage range is 3.0 V to 5.5 V, with a typical voltage of 3.3 V).
- What is the maximum data rate supported by the ADM3202ARW-REEL7?
The maximum data rate supported is up to 460 kbps).
- What type of package does the ADM3202ARW-REEL7 come in?
The component is packaged in a 16-Pin SOIC W).
- Does the ADM3202ARW-REEL7 have ESD protection?
Yes, it has enhanced ESD protection to IEC 1000-4-2 (801.2) on RS-232 pins).
- What is the operating temperature range of the ADM3202ARW-REEL7?
The operating temperature range is -40°C to +85°C).
- How many drivers and receivers does the ADM3202ARW-REEL7 have?
The component has 2 drivers and 2 receivers).
- What type of inputs do the receivers have?
The receivers have Schmitt-trigger inputs with a hysteresis level of 0.4 V).
- Is the ADM3202ARW-REEL7 suitable for battery-powered devices?
Yes, it is suitable due to its low power consumption and shutdown facility).
- What are the typical applications of the ADM3202ARW-REEL7?
It is used in general-purpose RS-232 data links, portable instruments, printers, and palmtop computers).
- Does the ADM3202ARW-REEL7 require external capacitors for operation?
Yes, it requires four external 0.1 μF charge pump capacitors for the voltage doubler/inverter).
