Overview
The AD7492BR-5, manufactured by Analog Devices Inc., is a high-speed, low-power, 12-bit successive approximation analog-to-digital converter (ADC). This component is designed to operate from a single 2.7 V to 5.25 V power supply and features throughput rates up to 1.25 million samples per second (MSPS). It is particularly notable for its low noise, wide bandwidth track/hold amplifier, which can handle input bandwidths up to 10 MHz. The AD7492BR-5 is suitable for a variety of applications requiring high-speed data acquisition with minimal power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 12-bit |
| Sampling Rate | Up to 1.25 MSPS |
| Input Range | 0 V to REFIN (internal 2.5 V reference) |
| Supply Voltage | 2.7 V to 5.25 V |
| Power Consumption | Typically 2.75 mA at 5 V and 1.25 MSPS |
| Package Type | 24-Lead SOIC_W and TSSOP |
| Operating Temperature | -40°C to +85°C |
| Digital Interface | High speed parallel interface |
| Sleep Mode | Full and partial sleep modes, 50 nA typical in full sleep mode |
Key Features
- High Throughput with Low Power Consumption: The AD7492BR-5 offers high-speed data conversion with low power consumption, making it suitable for power-sensitive applications.
- Flexible Power/Throughput Rate Management: The component features adjustable conversion time based on an internal clock and includes full and partial sleep modes to optimize power efficiency.
- No Pipeline Delays: The ADC has no pipeline delays, ensuring accurate and immediate conversion results.
- Flexible Digital Interface: The VDRIVE feature allows control over the voltage levels on the I/O digital pins, enhancing compatibility with various microprocessors and DSPs.
- Internal Reference and Clock: The AD7492BR-5 includes an internal 2.5 V reference and an on-chip clock oscillator, reducing the need for external components and optimizing PCB space.
Applications
The AD7492BR-5 is versatile and can be used in a variety of applications, including:
- Data Acquisition Systems: High-speed data acquisition in industrial, medical, and scientific instruments.
- Embedded Systems: Integration into microcontroller or DSP-based systems requiring fast and accurate analog-to-digital conversion.
- Medical Devices: Applications such as patient monitoring and diagnostic equipment where low power and high accuracy are crucial.
- Aerospace and Defense: Systems requiring high reliability, low power consumption, and high-speed data conversion.
Q & A
- What is the sampling rate of the AD7492BR-5?
The AD7492BR-5 can sample up to 1.25 million samples per second (MSPS).
- What is the power supply range for the AD7492BR-5?
The component operates from a single 2.7 V to 5.25 V power supply.
- What types of sleep modes does the AD7492BR-5 support?
The AD7492BR-5 supports both full and partial sleep modes to maximize power efficiency.
- Does the AD7492BR-5 have pipeline delays?
No, the AD7492BR-5 does not have pipeline delays, ensuring immediate conversion results.
- What is the input range for the AD7492BR-5?
The input range is from 0 V to the internal reference voltage (REFIN), which is 2.5 V.
- What package types are available for the AD7492BR-5?
The component is available in 24-Lead SOIC_W and TSSOP packages.
- How does the VDRIVE feature work?
The VDRIVE feature allows control over the voltage levels on the I/O digital pins, enhancing compatibility with various microprocessors and DSPs.
- What is the typical power consumption of the AD7492BR-5 at 5 V and 1.25 MSPS?
The typical power consumption is 2.75 mA.
- Is the AD7492BR-5 RoHS compliant?
Yes, the AD7492BR-5 is RoHS compliant.
- What is the operating temperature range for the AD7492BR-5?
The operating temperature range is -40°C to +85°C.
