Overview
The AD7547JP is a high-performance, LC2MOS parallel loading dual 12-bit Digital-to-Analog Converter (DAC) manufactured by Analog Devices Inc. This device integrates two 12-bit current output DACs on a single monolithic chip, along with level shifters, data registers, and control logic. This design facilitates easy interfacing with microprocessors and supports TTL, 74HC, and 5 V CMOS logic level inputs. The AD7547JP is known for its speed compatibility with most microprocessors, making it a versatile component for various digital-to-analog conversion applications.
Key Specifications
| Parameter | Value |
|---|---|
| Number of DACs | 2 |
| Resolution | 12-bit |
| Output Type | Current Output |
| Logic Compatibility | TTL, 74HC, 5 V CMOS |
| Control Inputs | CSA, CSB, WR |
| Power Supply Range | -0.3 to +17 V |
| Power Consumption | 450 mW |
| Package Types | Varying packages including PDIP, CerDIP, etc. |
Key Features
- Dual 12-bit current output DACs on a single chip
- Level shifters, data registers, and control logic for microprocessor interfacing
- Speed compatible with most microprocessors
- Supports TTL, 74HC, and 5 V CMOS logic level inputs
- Data is latched into the DAC registers on the rising edge of the WR signal
- Easy to assemble and provides stability and safety in electrical equipment
Applications
The AD7547JP is widely used in various applications requiring precise digital-to-analog conversion. These include:
- Data acquisition systems for measuring real-world physical phenomena such as heat, resistance, conductivity, and magnetics
- Audio and industrial control systems where high-resolution analog outputs are necessary
- Embedded systems and microprocessor-based designs that require reliable and fast DAC functionality
Q & A
- What is the resolution of the AD7547JP DAC?
The AD7547JP has a resolution of 12 bits. - How many DACs are integrated into the AD7547JP?
The AD7547JP contains two 12-bit DACs. - What type of output does the AD7547JP provide?
The AD7547JP provides current output. - What logic levels are supported by the AD7547JP?
The AD7547JP supports TTL, 74HC, and 5 V CMOS logic levels. - How is data latched into the DAC registers of the AD7547JP?
Data is latched into the DAC registers on the rising edge of the WR signal. - What is the power supply range for the AD7547JP?
The power supply range for the AD7547JP is -0.3 to +17 V. - What is the typical power consumption of the AD7547JP?
The typical power consumption of the AD7547JP is 450 mW. - In what types of applications is the AD7547JP commonly used?
The AD7547JP is commonly used in data acquisition systems, audio systems, and industrial control systems. - Who manufactures the AD7547JP?
The AD7547JP is manufactured by Analog Devices Inc. - What are the control inputs for the AD7547JP?
The control inputs for the AD7547JP are CSA, CSB, and WR.
