Overview
The AD7274BRMZ-REEL, produced by Analog Devices Inc., is a high-speed, low-power, 12-bit successive-approximation analog-to-digital converter (ADC). This component operates from a single 2.35V to 3.6V power supply and features throughput rates of up to 3 million samples per second (MSPS). It is designed to handle input frequencies in excess of 30 MHz, making it suitable for a variety of high-speed data acquisition applications. The AD7274 includes a low-noise, wide bandwidth track-and-hold amplifier and a serial interface compatible with SPI, QSPI, MICROWIRE, and DSPs, allowing for easy integration with microprocessors or digital signal processors (DSPs).
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Throughput Rate | Up to 3 MSPS |
| Power Supply | 2.35V to 3.6V |
| Package Type | 8-Lead TSOT, 8-Lead MSOP |
| Temperature Range | -40°C to +125°C |
| Input Frequency Range | Exceeds 30 MHz |
| Reference Voltage Range | 1.4V to VDD |
| Power Consumption (Power-down mode) | 0.1 μA typical |
| Interface Compatibility | SPI, QSPI, MICROWIRE, DSP-compatible |
Key Features
- High-speed conversion rates up to 3 MSPS with no pipeline delays.
- Low power consumption with a typical power-down mode of 0.1 μA.
- Low-noise, wide bandwidth track-and-hold amplifier capable of handling input frequencies over 30 MHz.
- External reference voltage input range from 1.4V to VDD, allowing for a wide dynamic input range.
- Compact 8-lead TSOT and MSOP packages for space-saving designs.
- Serial interface compatible with SPI, QSPI, MICROWIRE, and DSPs for easy integration with microprocessors or DSPs.
Applications
The AD7274 is suitable for various high-speed data acquisition applications, including:
- Industrial automation and control systems.
- Medical devices requiring high-speed data conversion.
- Aerospace and defense systems where low power and high speed are critical.
- Automotive systems, such as engine control and safety systems.
- Test and measurement equipment.
Q & A
- What is the resolution of the AD7274 ADC?
The AD7274 has a resolution of 12 bits.
- What is the maximum throughput rate of the AD7274?
The AD7274 can achieve throughput rates of up to 3 MSPS.
- What is the power supply range for the AD7274?
The AD7274 operates from a single 2.35V to 3.6V power supply.
- What types of packages are available for the AD7274?
The AD7274 is available in 8-lead TSOT and 8-lead MSOP packages.
- What is the temperature range for the AD7274?
The AD7274 operates over a temperature range of -40°C to +125°C.
- How is the conversion process initiated and controlled in the AD7274?
The conversion process is initiated by the falling edge of the CS (Chip Select) signal and controlled by the SCLK (Serial Clock) input.
- What is the range for the external reference voltage input?
The external reference voltage input range is from 1.4V to VDD.
- Is the AD7274 compatible with any specific interfaces?
Yes, the AD7274 is compatible with SPI, QSPI, MICROWIRE, and DSP interfaces.
- What is the typical power consumption in power-down mode?
The typical power consumption in power-down mode is 0.1 μA.
- What kind of amplifier does the AD7274 contain?
The AD7274 contains a low-noise, wide bandwidth track-and-hold amplifier.
