Overview
The AD7247JN, produced by Analog Devices Inc., is an advanced dual 12-bit digital-to-analog converter (DAC) designed for high precision and reliability. This component is part of the DACPORT series and is an enhanced version of the industry-standard AD7247. It features improved operation from 12 V to 15 V supplies, faster interface times, and better reference voltage stability. The AD7247JN is microprocessor compatible and includes high-speed data latches and interface logic, making it suitable for a wide range of applications requiring precise analog output.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 12 |
| Number of D/A Converters | 2 |
| Settling Time | 10 µs |
| Output Type | Voltage - Buffered |
| Differential Output | No |
| Data Interface | Parallel |
| Reference Type | External, Internal |
| Voltage - Supply, Analog | ±15 V |
| Voltage - Supply, Digital | 15 V |
| INL/DNL (LSB) | ±1 (Max), ±0.9 (Max) |
| Architecture | R-2R |
| Operating Temperature | -40°C ~ 85°C |
| Package | 24-DIP (0.300", 7.62mm) |
Key Features
- Dual 12-bit DACs: The AD7247JN features two independent 12-bit DACs, providing high resolution and precision for analog output.
- High-Speed Interface: The component supports fast interface times, making it suitable for applications requiring quick data transfer.
- Internal and External Reference: It includes both internal and external reference options, allowing flexibility in design.
- Output Amplifiers: The output amplifiers are capable of developing +10 V across a 2 kΩ load to GND, ensuring robust analog output.
- Microprocessor Compatibility: Designed with high-speed data latches and interface logic, it is compatible with various microprocessors.
- Advanced Fabrication: Fabricated in Linear Compatible CMOS (LC2MOS), combining precision bipolar circuits with low power CMOS logic.
Applications
The AD7247JN is versatile and can be used in a variety of applications, including:
- Industrial Control Systems: For precise control and monitoring in industrial environments.
- Medical Devices: Where high accuracy and reliability are crucial.
- Aerospace and Defense: For applications requiring robust and precise analog output.
- Automotive Systems: For control and monitoring in automotive electronics.
- Test and Measurement Equipment: To generate precise analog signals for testing and measurement purposes.
Q & A
- What is the resolution of the AD7247JN DAC?
The AD7247JN has a resolution of 12 bits. - How many DACs are included in the AD7247JN?
The AD7247JN includes two independent DACs. - What is the settling time of the AD7247JN?
The settling time is 10 µs. - Can the AD7247JN use both internal and external reference voltages?
Yes, it supports both internal and external reference voltages. - What is the operating temperature range of the AD7247JN?
The operating temperature range is -40°C to 85°C. - What type of package is the AD7247JN available in?
The AD7247JN is available in a 24-DIP (0.300", 7.62mm) package. - Is the AD7247JN microprocessor compatible?
Yes, it is designed to be microprocessor compatible with high-speed data latches and interface logic. - What is the maximum voltage that the output amplifiers can develop?
The output amplifiers can develop +10 V across a 2 kΩ load to GND. - What fabrication process is used for the AD7247JN?
The AD7247JN is fabricated in Linear Compatible CMOS (LC2MOS). - What are some common applications of the AD7247JN?
Common applications include industrial control systems, medical devices, aerospace and defense, automotive systems, and test and measurement equipment.
