Overview
The ADM232LJRZ is a 5V-powered CMOS RS-232 driver/receiver produced by Analog Devices Inc. This integrated circuit is part of the ADM2xx family, designed for EIA-232-E and V.28 communications interfaces. It is particularly useful in applications where a single 5V supply is available, eliminating the need for 12V supplies. The ADM232LJRZ features two drivers and two receivers, making it suitable for full-duplex communication.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADM232LJRZ |
| Package | 16-SOIC (0.295", 7.50mm Width) |
| Number of Pins | 16 |
| Logic Function | Receiver, Transceiver |
| Interface | RS-232 |
| Number of Drivers/Receivers | 2/2 |
| Duplex | Full Duplex |
| Receiver Hysteresis | 650mV |
| Data Rate | 120Kbps |
| Supply Voltage | 4.5V ~ 5.5V |
| Operating Temperature | 0°C ~ 70°C |
| Mounting Type | Surface Mount |
Key Features
- Single 5V Supply: The ADM232LJRZ operates from a single 5V supply, eliminating the need for 12V supplies.
- Internal Charge Pump: Includes two internal charge pump voltage converters that generate the ±10V required for RS-232 output from the 5V input power.
- Low Power Shutdown: Features a low power shutdown mode that reduces power dissipation to less than 5 µW, ideal for battery-powered equipment.
- High Input Voltage Range: Receiver inputs can handle ±30V, making it robust against voltage spikes.
- Full Duplex Operation: Supports full-duplex communication with two drivers and two receivers.
- Small Package: Available in a compact 16-SOIC package, suitable for space-constrained designs.
Applications
- Computers and Peripherals: Suitable for use in computer systems, peripherals, and other devices requiring RS-232 communication.
- Modems and Printers: Often used in modem and printer interfaces where RS-232 communication is necessary.
- Instruments and Industrial Equipment: Used in various industrial and instrumentation applications requiring reliable serial communication.
- Battery-Powered Devices: The low power shutdown mode makes it ideal for battery-powered equipment where power conservation is critical.
Q & A
- What is the primary function of the ADM232LJRZ?
The ADM232LJRZ is a 5V-powered CMOS RS-232 driver/receiver, designed for EIA-232-E and V.28 communications interfaces.
- What is the package type of the ADM232LJRZ?
The ADM232LJRZ is available in a 16-SOIC (0.295", 7.50mm Width) package.
- How many drivers and receivers does the ADM232LJRZ have?
The ADM232LJRZ features two drivers and two receivers.
- What is the data rate of the ADM232LJRZ?
The data rate of the ADM232LJRZ is 120Kbps.
- What is the operating supply voltage range of the ADM232LJRZ?
The operating supply voltage range is 4.5V to 5.5V.
- Does the ADM232LJRZ support full-duplex operation?
Yes, the ADM232LJRZ supports full-duplex operation.
- What is the receiver hysteresis of the ADM232LJRZ?
The receiver hysteresis is 650mV.
- What is the operating temperature range of the ADM232LJRZ?
The operating temperature range is 0°C to 70°C.
- Is the ADM232LJRZ suitable for battery-powered devices?
Yes, it features a low power shutdown mode that reduces power dissipation to less than 5 µW, making it suitable for battery-powered equipment.
- What are some common applications of the ADM232LJRZ?
Common applications include computers, peripherals, modems, printers, and industrial equipment.
- Does the ADM232LJRZ have internal charge pump voltage converters?
Yes, it includes two internal charge pump voltage converters that generate the ±10V required for RS-232 output from the 5V input power.
