Overview
The AD7248AAR-REEL is a 12-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This component is part of the DACPORT® series and features a monolithic CMOS design that includes an output amplifier and an internal Zener voltage reference. It is designed for high-speed data transfer and is compatible with most modern microprocessors. The AD7248AAR-REEL is available in a 20-SOIC package and is suitable for a wide range of applications requiring precise analog output.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 12 |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) |
| Voltage - Supply, Digital | 10.8 V ~ 16.5 V |
| Voltage - Supply, Analog | ±10.8 V ~ 16.5 V |
| Settling Time | 7µs |
| Reference Type | Internal |
| Output Type | Voltage - Buffered |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Lead Free Status / RoHS Status | Contains lead / RoHS non-compliant |
| INL/DNL (LSB) | ±1 (Max), ±1 (Max) |
| Differential Output | No |
Key Features
- 12-bit voltage output digital-to-analog converter with an internal Zener voltage reference and output amplifier.
- High-speed data latches and double-buffered interface logic for easy interfacing with modern microprocessors.
- Asynchronous LDAC signal for transferring data from the input latch to the DAC latch.
- No external user trims required to achieve full specified performance.
- Extended temperature range operation for commercial and industrial grades.
- Small package size and single-chip design for increased reliability and space savings.
Applications
- Industrial control systems requiring precise analog outputs.
- Medical devices that need high accuracy and reliability in analog signal generation.
- Aerospace and defense applications where robust and reliable DACs are essential.
- Automotive systems that require high-speed and accurate analog signal conversion.
- Test and measurement equipment where precision and stability are critical.
Q & A
- What is the resolution of the AD7248AAR-REEL?
The AD7248AAR-REEL is a 12-bit digital-to-analog converter. - What is the package type of the AD7248AAR-REEL?
The AD7248AAR-REEL is available in a 20-SOIC package. - What is the supply voltage range for the AD7248AAR-REEL?
The digital supply voltage range is 10.8 V to 16.5 V, and the analog supply voltage range is ±10.8 V to ±16.5 V. - What is the settling time of the AD7248AAR-REEL?
The settling time is 7µs. - Does the AD7248AAR-REEL have an internal reference?
Yes, the AD7248AAR-REEL features an internal Zener voltage reference. - Is the AD7248AAR-REEL RoHS compliant?
No, the AD7248AAR-REEL contains lead and is RoHS non-compliant. - What is the operating temperature range of the AD7248AAR-REEL?
The operating temperature range is -40°C to 85°C. - How does the AD7248AAR-REEL interface with microprocessors?
The AD7248AAR-REEL has high-speed data latches and double-buffered interface logic, making it compatible with most modern microprocessors. - Does the AD7248AAR-REEL require external trims for full performance?
No, the AD7248AAR-REEL does not require external user trims to achieve full specified performance. - What are some typical applications of the AD7248AAR-REEL?
Typical applications include industrial control systems, medical devices, aerospace and defense, automotive systems, and test and measurement equipment.
