Overview
The ADM236LJRZ is a 4/3 RS-232 transceiver integrated circuit produced by Analog Devices Inc. This device is designed to facilitate serial communication between devices using the RS-232 standard. It operates on a single 5V supply and features a low power shutdown mode, making it suitable for battery-powered applications. The ADM236LJRZ is packaged in a 24-pin SOIC (Small Outline Integrated Circuit) package, ensuring compactness and ease of integration into various systems.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | 24-SOIC |
| Supply Voltage (VCC) | 4.5V to 5.5V |
| Transmitter Outputs | 4 |
| Receiver Inputs | 3 |
| Propagation Delay (RS-232 to TTL) | 0.3 µs |
| Output Enable Time (TEN) | 250 ns |
| Output Disable Time (TDIS) | 50 ns |
| RS-232 Output Short-Circuit Current | ±10 mA |
| Low Power Shutdown Current | < 5 µW |
| Operating Temperature Range | -40°C to +85°C |
Key Features
- Low power shutdown mode reducing power dissipation to less than 5 µW, ideal for battery-powered applications.
- Internal charge pump voltage converter generating ±10 V from a single 5 V supply.
- No external capacitors required for the charge pump.
- Internal 400 kΩ pull-up resistors on TTL/CMOS inputs and internal 5 kΩ pull-down resistors on RS-232 inputs.
- Active low enable input for receiver outputs.
- Compact 24-pin SOIC package.
Applications
The ADM236LJRZ is versatile and can be used in a variety of applications, including:
- Battery-powered devices due to its low power consumption.
- Industrial automation and control systems.
- Point-of-sale terminals and other commercial equipment.
- Medical devices requiring reliable serial communication.
- Automotive systems where robust serial communication is necessary.
Q & A
- What is the package type of the ADM236LJRZ?
The ADM236LJRZ is packaged in a 24-pin SOIC (Small Outline Integrated Circuit) package. - What is the supply voltage range for the ADM236LJRZ?
The supply voltage range is 4.5V to 5.5V. - How many transmitter outputs and receiver inputs does the ADM236LJRZ have?
The ADM236LJRZ has 4 transmitter outputs and 3 receiver inputs. - What is the propagation delay from RS-232 to TTL/CMOS?
The propagation delay is 0.3 µs. - Does the ADM236LJRZ require external capacitors for the charge pump?
No, the ADM236LJRZ does not require external capacitors for the charge pump. - What is the low power shutdown current of the ADM236LJRZ?
The low power shutdown current is less than 5 µW. - What are the internal resistors on the TTL/CMOS inputs and RS-232 inputs?
There are internal 400 kΩ pull-up resistors on TTL/CMOS inputs and internal 5 kΩ pull-down resistors on RS-232 inputs. - What is the operating temperature range of the ADM236LJRZ?
The operating temperature range is -40°C to +85°C. - Is the enable input for receiver outputs active high or active low?
The enable input for receiver outputs is active low. - What are some typical applications of the ADM236LJRZ?
Typical applications include battery-powered devices, industrial automation, point-of-sale terminals, medical devices, and automotive systems.
