Overview
The AD7248AAR is a high-performance 12-bit digital-to-analog converter (DAC) from Analog Devices Inc., part of the DACPORT family. This device is designed for a wide range of applications, including data acquisition, signal processing, and various industrial and medical uses. It features an internal reference type, which reduces the need for external components, and an R-2R ladder architecture that ensures excellent linearity and stability. The AD7248AAR is known for its high-resolution output voltage buffer and fast settling time, making it suitable for applications requiring precise and reliable analog signal conversion.
Key Specifications
| Product Category | Digital to Analog Converters - DAC |
|---|---|
| Series | AD7248A |
| Resolution | 12 bit |
| Mounting Style | SMD/SMT |
| Package / Case | SOIC-20 |
| Brand | Analog Devices |
| Product Type | DACs - Digital to Analog Converters |
| Factory Pack Quantity | 37 |
| Unit Weight | 0.028254 oz |
| Settling Time | 7 µs |
| Output Type | Voltage - Buffered |
| Differential Output | No |
| Data Interface | Parallel |
| Reference Type | Internal |
| Voltage - Supply, Digital | 10.8 V ~ 16.5 V |
| Voltage - Supply, Analog | ±10.8 V ~ 16.5 V |
| INL/DNL (LSB) | ±1 (Max), ±1 (Max) |
| Architecture | R-2R |
| Operating Temperature | -40°C ~ 85°C |
Key Features
- High-resolution output voltage buffer
- R-2R ladder architecture for excellent linearity
- Operating temperature range of -40°C to 85°C
- Fast settling time of 7 microseconds
- Available in a compact 20-SOIC package
- Internal reference type for reduced external component requirements
- Microprocessor-compatible with high-speed data latches and double-buffered interface logic
- No external user trims required to achieve full specified performance
Applications
- Data acquisition systems for various applications including automotive, industrial automation, and medical devices
- Audio applications where high-frequency response is critical
- Signal processing systems for analog to digital conversion, filtering, and amplification
- Test and measurement equipment for testing and measuring analog signals
- Industrial control systems for control and monitoring of industrial processes
Q & A
- What is the resolution of the AD7248AAR?
The AD7248AAR has a 12-bit resolution.
- What is the package type of the AD7248AAR?
The AD7248AAR is available in a 20-SOIC package.
- What is the settling time of the AD7248AAR?
The settling time of the AD7248AAR is 7 microseconds.
- Does the AD7248AAR have an internal reference?
Yes, the AD7248AAR features an internal reference type.
- What is the operating temperature range of the AD7248AAR?
The operating temperature range of the AD7248AAR is -40°C to 85°C.
- Is the AD7248AAR RoHS compliant?
No, the AD7248AAR is not RoHS compliant.
- What type of data interface does the AD7248AAR use?
The AD7248AAR uses a parallel data interface.
- Does the AD7248AAR require external user trims?
No, the AD7248AAR does not require external user trims to achieve full specified performance.
- What is the architecture of the AD7248AAR's DAC?
The AD7248AAR uses an R-2R ladder architecture.
- Is the AD7248AAR suitable for high-frequency applications?
Yes, the AD7248AAR is suitable for high-frequency applications due to its fast settling time and high-resolution output.
