Overview
The AD7247AAR-REEL7 is a dual 12-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This component is part of the AD7247A series, which is an enhanced version of the industry-standard AD7247. It features a monolithic CMOS design with integrated output amplifiers and a Zener voltage reference, making it a comprehensive solution for various analog output applications.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12 bits |
| Output Voltage Ranges | 0 V to +5 V, 0 V to +10 V, ±5 V |
| Power Supply Range | +12 V to +15 V (single supply), 0 V to -12 V to -15 V (dual supply) |
| Output Amplifier Capability | +10 V across a 2 kΩ load to GND |
| Interface Type | Parallel data input (12-bit) |
| Operating Temperature Range | –40°C to +85°C |
| Package Type | Small Outline (SOIC) |
Key Features
- Dual 12-bit DACPORT® on a single chip, offering space savings and increased reliability.
- Microprocessor-compatible with high-speed data latches and interface logic.
- Faster interface times and better reference variations with VDD.
- No external user trims required for full specified performance.
- REF OUT/REF IN function allowing use of on-chip 5 V reference or an external reference.
- Asynchronous LDAC signal for simultaneous updating of multiple DACs.
Applications
The AD7247AAR-REEL7 is suitable for a variety of applications requiring precise analog output control, such as industrial control systems, medical devices, audio and video equipment, and any system that needs high-resolution digital-to-analog conversion.
Q & A
- What is the resolution of the AD7247AAR-REEL7? The resolution is 12 bits.
- What are the available output voltage ranges for the AD7247AAR-REEL7? The output voltage ranges are 0 V to +5 V, 0 V to +10 V, and ±5 V.
- What is the power supply range for the AD7247AAR-REEL7? The power supply range is +12 V to +15 V for single supply and 0 V to -12 V to -15 V for dual supply.
- How does the AD7247AAR-REEL7 interface with microprocessors? It is microprocessor-compatible with high-speed data latches and interface logic.
- Does the AD7247AAR-REEL7 require external user trims? No, it does not require external user trims to achieve full specified performance.
- What is the operating temperature range of the AD7247AAR-REEL7? The operating temperature range is –40°C to +85°C.
- What package type is the AD7247AAR-REEL7 available in? It is available in Small Outline (SOIC) package.
- Is the AD7247AAR-REEL7 still in production? No, the AD7247AAR-REEL7 is obsolete and no longer manufactured.
- What are some potential substitutes for the AD7247AAR-REEL7? Potential substitutes include the AD7247AARZ-REEL.
- How does the REF OUT/REF IN function work on the AD7247AAR-REEL7? The REF OUT/REF IN function allows either the on-chip 5 V reference or an external reference to be used as the reference voltage.
