Overview
The ADM241LJRSZ-REEL is a quad transmitter and quint receiver RS-232 transceiver manufactured by Analog Devices Inc. This integrated circuit is designed to meet the requirements of the EIA-232-E and V.28 specifications, making it suitable for a wide range of serial communication applications. The device operates on a single 5 V power supply and features on-board DC-DC converters that generate the necessary ±10 V output levels for RS-232 communication. This transceiver is packaged in a 28-SSOP (0.209", 5.30mm Width) and is available in tape and reel format for convenient use in high-volume production environments.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Type | Transceiver |
| Duplex | Full |
| Protocol | RS232 |
| Data Rate | 120 Kbps |
| Package / Case | 28-SSOP (0.209", 5.30mm Width) |
| Mounting Type | Surface Mount |
| Voltage - Supply | 4.75 V ~ 5.25 V |
| Operating Temperature | 0°C ~ 70°C |
| Number of Drivers/Receivers | 4/5 |
| Receiver Hysteresis | 650 mV |
Key Features
- Single 5 V Power Supply: The device operates from a single 5 V supply, simplifying power management in the system.
- On-Board DC-DC Converters: Internal charge pump voltage converters generate the ±10 V required for RS-232 output levels.
- High Data Rate: Supports data rates up to 120 Kbps.
- Low Power Shutdown: The device features low power shutdown, reducing power consumption when not in use.
- Small Capacitors: Operates with small 1 µF capacitors, reducing component count and board space.
- Latch-Up Free: Ensures reliable operation without the risk of latch-up.
- Plug-In Upgrade: Compatible with MAX223/230-241 and AD230–AD241, making it a versatile upgrade option.
Applications
The ADM241LJRSZ-REEL is widely used in various serial communication applications, including:
- Industrial automation and control systems.
- Medical devices requiring reliable serial communication.
- Automotive systems, such as diagnostic interfaces and data loggers.
- Point-of-sale terminals and other commercial equipment.
- Embedded systems and IoT devices that require RS-232 communication.
Q & A
- Q: What is the operating voltage range of the ADM241LJRSZ-REEL?
A: The operating voltage range is 4.75 V to 5.25 V.
- Q: What is the data rate supported by the ADM241LJRSZ-REEL?
A: The device supports a data rate of up to 120 Kbps.
- Q: What type of package is the ADM241LJRSZ-REEL available in?
A: It is available in a 28-SSOP (0.209", 5.30mm Width) package and is supplied in tape and reel format.
- Q: Does the ADM241LJRSZ-REEL have internal DC-DC converters?
A: Yes, it features on-board DC-DC converters that generate the necessary ±10 V output levels for RS-232 communication.
- Q: What is the operating temperature range of the ADM241LJRSZ-REEL?
A: The operating temperature range is 0°C to 70°C.
- Q: How many drivers and receivers does the ADM241LJRSZ-REEL have?
A: It has 4 drivers and 5 receivers.
- Q: Is the ADM241LJRSZ-REEL latch-up free?
A: Yes, it is designed to be latch-up free.
- Q: Can the ADM241LJRSZ-REEL be used as a plug-in upgrade for other devices?
A: Yes, it is a plug-in upgrade for MAX223/230-241 and AD230–AD241 devices.
- Q: What is the receiver hysteresis of the ADM241LJRSZ-REEL?
A: The receiver hysteresis is 650 mV).
- Q: Is the ADM241LJRSZ-REEL RoHS compliant?
A: Yes, it is RoHS compliant).
