Overview
The ADM241LJRZ is a low-power, 5V CMOS RS-232 transceiver produced by Analog Devices Inc. This integrated circuit is designed to meet the EIA-232-E and V.28 specifications, making it suitable for a wide range of serial communication applications. The device features on-board DC-DC converters that generate the necessary ±9V output swing from a single 5V supply, which is particularly useful in battery-powered systems and other low-power applications.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage (VCC) | 5 V |
| Data Rate | 120 kbps |
| Number of Drivers | 4 |
| Number of Receivers | 5 |
| Output Swing | ±9 V |
| Propagation Delay | 0.3 µs |
| Output Enable Time (TEN) | 250 ns |
| Output Disable Time (TDIS) | 50 ns |
| Receiver Hysteresis | 650 mV |
| Package Type | 28-SOIC (0.295, 7.50mm Width) |
| Operating Temperature | 0°C to 70°C |
Key Features
- Single 5 V power supply with on-board DC-DC converters generating ±9 V output swing.
- Meets all EIA-232-E and V.28 specifications.
- Low power shutdown mode reducing power dissipation to less than 5 µW.
- Enable (EN) function for receivers, placing outputs in a high impedance state when disabled.
- Full duplex communication capability.
- Internal charge pump voltage converter and level-shifting transmitters and receivers.
- CMOS technology for low power dissipation.
Applications
The ADM241LJRZ is suitable for various serial communication applications, including:
- Battery-powered systems due to its low power shutdown mode.
- Industrial automation and control systems.
- Medical devices requiring reliable serial communication.
- Point-of-sale terminals and other commercial equipment.
- Embedded systems and microcontroller-based projects.
Q & A
- What is the supply voltage for the ADM241LJRZ?
The supply voltage for the ADM241LJRZ is 5 V. - What is the data rate supported by the ADM241LJRZ?
The data rate supported is 120 kbps. - How many drivers and receivers does the ADM241LJRZ have?
The device has 4 drivers and 5 receivers. - What is the output swing of the ADM241LJRZ?
The output swing is ±9 V. - What is the propagation delay of the ADM241LJRZ?
The propagation delay is 0.3 µs. - Does the ADM241LJRZ support full duplex communication?
Yes, it supports full duplex communication. - What is the package type of the ADM241LJRZ?
The package type is 28-SOIC (0.295, 7.50mm Width). - What is the operating temperature range for the ADM241LJRZ?
The operating temperature range is 0°C to 70°C. - Does the ADM241LJRZ have a low power shutdown mode?
Yes, it has a low power shutdown mode that reduces power dissipation to less than 5 µW. - What is the purpose of the enable (EN) function on the receivers?
The enable (EN) function places the receiver outputs in a high impedance state when disabled.
