Overview
The AD7492BRU-REEL7, manufactured by Analog Devices Inc., is a 12-bit successive approximation analog-to-digital converter (ADC) designed for high-performance data acquisition. This component features an internal reference and clock, making it a self-contained solution for converting analog signals to digital data. The AD7492BRU-REEL7 is housed in a 24-lead TSSOP package and operates over a temperature range of -40°C to +85°C, ensuring reliability in various environmental conditions.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Conversion Rate | 1.25 MSPS |
| Analog Supply Voltage | 2.7 V to 5.25 V |
| Reference Voltage | 2.5 V ± 1% |
| Analog Input Range | 0 V to REFIN (2.5 V) |
| Package Type | 24-Lead TSSOP |
| Operating Temperature | -40°C to +85°C |
| Power Consumption | Typically 2.75 mA at 5 V supplies and 1.25 MSPS |
| Interface | Parallel, Word Access |
Key Features
- Internal Reference and Clock: The AD7492BRU-REEL7 includes an internal 2.5 V reference voltage and clock, simplifying system design.
- Low Power Consumption: The ADC operates with low power dissipation, making it suitable for battery-powered devices. It also features full and partial sleep modes to further reduce power consumption.
- High-Speed Parallel Interface: The conversion result is accessed via a high-speed parallel interface using standard CS and RD signals.
- No Pipeline Delays: The conversion process is initiated by the falling edge of CONVST, and the result is available without any pipeline delays.
- Flexible Power Management: The part can be operated in full sleep mode or partial sleep mode, selected by the PS/FS pin.
Applications
- Data Acquisition Systems: Ideal for various data acquisition applications requiring high accuracy and low power consumption.
- Industrial Control Systems: Suitable for industrial control systems where precise analog-to-digital conversion is necessary.
- Medical Devices: Can be used in medical devices that require reliable and accurate analog-to-digital conversion.
- Aerospace and Defense: Applicable in aerospace and defense systems where high reliability and performance are critical.
Q & A
- What is the resolution of the AD7492BRU-REEL7 ADC?
The AD7492BRU-REEL7 has a resolution of 12 bits. - What is the conversion rate of the AD7492BRU-REEL7?
The conversion rate is 1.25 MSPS. - What is the operating temperature range of the AD7492BRU-REEL7?
The operating temperature range is -40°C to +85°C. - Does the AD7492BRU-REEL7 have an internal reference voltage?
Yes, it includes an internal 2.5 V reference voltage. - 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 AD7492BRU-REEL7?
The part can be operated in full sleep mode or partial sleep mode, selected by the PS/FS pin. - What is the typical power consumption of the AD7492BRU-REEL7?
Typically 2.75 mA at 5 V supplies and 1.25 MSPS. - Is there any pipeline delay in the conversion process?
No, there are no pipeline delays associated with the part. - What is the recommended capacitor value for the REF OUT pin?
A capacitor with a minimum capacitance of 100 nF is recommended at the output of the REF OUT pin. - Why is a dummy conversion recommended after power-up?
A dummy conversion is recommended to ensure that the first conversion result is accurate and the part is in the correct mode of operation.
