Overview
The AD5749ACPZ, manufactured by Analog Devices Inc., is a single-channel, low-cost, precision current output driver. It is designed for applications in industrial process control and programmable logic controllers (PLCs). The device features hardware or software programmable output ranges, making it versatile for various industrial settings. The AD5749ACPZ operates on a single supply and can be controlled via an SPI-/MICROWIRE™-compatible serial interface.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Power Supply Range (AVDD) | 12 V (± 10%) | 55 V | V | ||
| Digital Power Supply (DVCC) | 2.7 V | 5.5 V | V | ||
| Temperature Range | -40°C | +105°C | °C | ||
| Output Current Ranges | 0 mA to 24 mA | 4 mA to 20 mA | mA | ||
| Output Current Overranges | 0 mA to 24.5 mA | 3.92 mA to 20.4 mA | mA | See Detailed Description of Features section | |
| Input Voltage Range | 0 V | 4.096 V | V | Output unloaded | |
| Reference Input Voltage | 4.096 V | V | External reference must be exactly as stated | ||
| Power Dissipation | 108 mW | mW | AVDD = 24 V, output unloaded |
Key Features
- Programmable Output Ranges: The AD5749ACPZ allows for hardware or software programmable output ranges of 0 mA to 24 mA and 4 mA to 20 mA.
- Serial Interface: The device uses an SPI-/MICROWIRE™-compatible serial interface for configuration.
- Asynchronous CLEAR Function: The device features an asynchronous CLEAR function that sets the output current to zero-scale code or midscale of the selected range.
- Open-Circuit Protection: The current output is open-circuit protected and can drive inductive loads of 0.1 H.
- Low Power Consumption: The device operates with a power dissipation of up to 108 mW at AVDD = 24 V and output unloaded.
Applications
- Process Control: The AD5749ACPZ is suitable for applications in industrial process control, providing precise current output for various control systems.
- Actuator Control: It is used in actuator control systems where precise current control is essential.
- PLCs (Programmable Logic Controllers): The device is designed to integrate seamlessly with PLCs, enhancing the control and precision of industrial processes.
Q & A
- What is the power supply range of the AD5749ACPZ?
The power supply range of the AD5749ACPZ is from 12 V (± 10%) to 55 V. - What are the programmable output current ranges of the AD5749ACPZ?
The output current ranges are 0 mA to 24 mA and 4 mA to 20 mA. - What type of serial interface does the AD5749ACPZ use?
The device uses an SPI-/MICROWIRE™-compatible serial interface. - What is the temperature range of the AD5749ACPZ?
The temperature range is from -40°C to +105°C. - Does the AD5749ACPZ have open-circuit protection?
Yes, the current output is open-circuit protected. - What is the maximum power dissipation of the AD5749ACPZ?
The maximum power dissipation is 108 mW at AVDD = 24 V and output unloaded. - What are the typical applications of the AD5749ACPZ?
The typical applications include process control, actuator control, and PLCs. - How is the output current set to zero-scale or midscale in the AD5749ACPZ?
The output current can be set to zero-scale or midscale using the asynchronous CLEAR function. - Can the AD5749ACPZ drive inductive loads?
Yes, it can drive inductive loads of up to 0.1 H. - What is the package type of the AD5749ACPZ?
The device is packaged in a 32-lead, 5 mm × 5 mm LFCSP package.
