Overview
The AD7492AR-REEL7 is a 12-bit, 1.25 MSPS (Mega Samples Per Second) analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is designed for high-speed data acquisition and features an internal reference and clock, making it a versatile component for various applications. The AD7492AR-REEL7 operates on a single supply voltage ranging from 2.7 V to 5.25 V and is packaged in a 24-lead SOIC (Small Outline Integrated Circuit) package.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Sampling Rate | 1.25 MSPS |
| Supply Voltage | 2.7 V to 5.25 V |
| Input Range | 0 V to 2.5 V (unipolar) |
| Reference Voltage | 2.5 V ± 1% |
| Power Consumption | Typically 2.75 mA at 5 V and 1.25 MSPS |
| Operating Temperature | −40°C to +85°C |
| Package Type | 24-Lead SOIC |
| Conversion Time | 880 ns (AD7492/AD7492-4), 680 ns (AD7492-5) |
Key Features
- High-Speed Conversion: The AD7492AR-REEL7 supports a sampling rate of 1.25 MSPS, making it suitable for high-speed data acquisition applications.
- Internal Reference and Clock: The device includes an internal bandgap reference voltage and clock, simplifying system design and reducing external component requirements.
- Low Power Consumption: It features low power dissipation, with an average current consumption of typically 2.75 mA at 5 V and 1.25 MSPS.
- Flexible Power Management: The device offers full sleep and partial sleep modes, allowing for power/throughput rate management.
- High-Speed Parallel Interface: The conversion result is accessed via a high-speed parallel interface using standard CS and RD signals.
Applications
The AD7492AR-REEL7 is suitable for a variety of applications requiring high-speed analog-to-digital conversion, including:
- Medical Imaging and Diagnostics
- Industrial Automation and Control Systems
- Aerospace and Defense Systems
- High-Speed Data Acquisition Systems
- Digital Signal Processing (DSP) and Microprocessor-Based Systems
Q & A
- What is the resolution of the AD7492AR-REEL7?
The AD7492AR-REEL7 has a resolution of 12 bits. - What is the sampling rate of the AD7492AR-REEL7?
The sampling rate is 1.25 MSPS. - What is the supply voltage range for the AD7492AR-REEL7?
The supply voltage range is from 2.7 V to 5.25 V. - What is the input range of the AD7492AR-REEL7?
The input range is 0 V to 2.5 V (unipolar). - How is the conversion result accessed?
The conversion result is accessed via a high-speed parallel interface using standard CS and RD signals. - What are the power management options for the AD7492AR-REEL7?
The device offers full sleep and partial sleep modes for power/throughput rate management. - What is the typical power consumption of the AD7492AR-REEL7?
The typical power consumption is 2.75 mA at 5 V and 1.25 MSPS. - What is the operating temperature range of the AD7492AR-REEL7?
The operating temperature range is −40°C to +85°C. - What package type is the AD7492AR-REEL7 available in?
The device is packaged in a 24-Lead SOIC. - Is an external reference voltage required?
No, the AD7492AR-REEL7 includes an internal bandgap reference voltage.
