Overview
The AD7549JNZ is a monolithic dual, 12-bit, current output Digital-to-Analog Converter (DAC) produced by Analog Devices Inc. This component is designed for high precision and reliability, making it suitable for various applications requiring accurate analog signal generation. The AD7549JNZ is available in both 0.3" wide 20-pin DIP (Dual In-Line Package) and 20-terminal surface mount packages, ensuring flexibility in design and implementation. The device features four quadrant multiplication capabilities with separate reference inputs and feedback resistors for each DAC, ensuring excellent thermal tracking and gain error tracking between the two DACs.
Key Specifications
| Specification | Value |
|---|---|
| Number of Bits | 12 |
| Number of D/A Converters | 2 |
| Settling Time | 1.5µs |
| Output Type | Current - Unbuffered |
| Differential Output | No |
| Data Interface | Parallel |
| Reference Type | External |
| Voltage - Supply, Analog | 15V |
| Voltage - Supply, Digital | 15V |
| INL/DNL (LSB) | ±1 (Max), ±1 (Max) |
| Architecture | R-2R |
| Operating Temperature | -40°C ~ 85°C |
| Package | 20-DIP (0.300", 7.62mm), 20-terminal surface mount |
Key Features
- Dual 12-Bit DACs: The AD7549JNZ features two independent 12-bit DACs, each capable of four quadrant multiplication.
- Parallel Interface: The device uses a parallel data interface, making it easy to interface with microprocessors.
- External Reference Inputs: Each DAC has a separate reference input and feedback resistor, ensuring high accuracy and thermal tracking.
- Fast Settling Time: The DACs have a settling time of 1.5µs, which is crucial for applications requiring rapid signal generation.
- Monolithic Construction: The monolithic design ensures excellent thermal tracking and gain error tracking between the two DACs.
- RoHS Compliance: The component is RoHS compliant, making it suitable for use in environmentally friendly designs.
Applications
The AD7549JNZ is versatile and can be used in a variety of applications, including:
- Industrial Control Systems: For generating precise analog signals in control systems.
- Aerospace and Defense: Due to its high reliability and precision, it is suitable for military and aerospace applications.
- Medical Equipment: For applications requiring high accuracy and reliability, such as in medical imaging and diagnostic equipment.
- Automotive Systems: For generating analog signals in automotive control systems.
- Test and Measurement Equipment: For precise signal generation in test and measurement instruments.
Q & A
- What is the resolution of the AD7549JNZ DAC?
The AD7549JNZ has a resolution of 12 bits.
- How many DACs are included in the AD7549JNZ?
The AD7549JNZ includes two independent DACs.
- What is the settling time of the AD7549JNZ?
The settling time of the AD7549JNZ is 1.5µs.
- What type of data interface does the AD7549JNZ use?
The AD7549JNZ uses a parallel data interface.
- Is the AD7549JNZ RoHS compliant?
Yes, the AD7549JNZ is RoHS compliant.
- What are the operating temperature ranges for the AD7549JNZ?
The operating temperature range is -40°C to 85°C.
- What type of output does the AD7549JNZ provide?
The AD7549JNZ provides an unbuffered current output.
- Does the AD7549JNZ support four quadrant multiplication?
Yes, the AD7549JNZ supports four quadrant multiplication for each DAC.
- What is the architecture of the DACs in the AD7549JNZ?
The DACs use an R-2R architecture.
- What are the typical supply voltages for the AD7549JNZ?
The typical supply voltages are 15V for both analog and digital supplies.
