Overview
The AD7274BRM is a high-speed, low-power, 12-bit successive approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This component operates from a single supply voltage ranging from 2.35 V to 3.6 V and is housed in an 8-lead TSOT or 8-lead MSOP package, offering significant space-saving advantages. The AD7274BRM features a throughput rate of up to 3 million samples per second (MSPS) and includes an on-chip track-and-hold amplifier capable of handling input frequencies exceeding 55 MHz.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Throughput Rate | Up to 3 MSPS |
| Supply Voltage | 2.35 V to 3.6 V |
| Input Range | 0 to VREF (external reference: 1.4 V to VDD) |
| Package Type | 8-lead TSOT, 8-lead MSOP |
| Operating Temperature | −40°C to +125°C |
| Power Consumption | Typically 18 mW |
| Power-Down Mode | 0.1 μA typical |
| Interface | SPI, QSPI, MICROWIRE, DSP-compatible serial interface |
Key Features
- High-speed serial interface compatible with SPI, QSPI, MICROWIRE, and DSP.
- Low power consumption with a power-down mode of 0.1 μA typical.
- On-chip track-and-hold amplifier with wide bandwidth, capable of handling input frequencies over 55 MHz.
- No pipeline delays, allowing for direct conversion and data acquisition.
- External reference input range from 1.4 V to VDD.
- Compact 8-lead TSOT or MSOP package for space-saving designs.
Applications
The AD7274BRM is suitable for a variety of high-speed data acquisition applications, including:
- Industrial automation and control systems.
- Medical devices requiring high precision and low power consumption.
- Aerospace and defense systems where compact, high-performance ADCs are necessary.
- Automotive systems, particularly those requiring robust temperature performance.
- High-speed data logging and monitoring systems.
Q & A
- What is the resolution of the AD7274BRM ADC?
The AD7274BRM has a resolution of 12 bits. - What is the maximum throughput rate of the AD7274BRM?
The maximum throughput rate is up to 3 million samples per second (MSPS). - What is the supply voltage range for the AD7274BRM?
The supply voltage range is from 2.35 V to 3.6 V. - What types of packages are available for the AD7274BRM?
The AD7274BRM is available in 8-lead TSOT and 8-lead MSOP packages. - What is the operating temperature range for the AD7274BRM?
The operating temperature range is from −40°C to +125°C. - Does the AD7274BRM have a power-down mode?
Yes, the AD7274BRM has a power-down mode with a typical current of 0.1 μA. - What is the input range for the AD7274BRM?
The input range is from 0 to VREF, with an external reference range from 1.4 V to VDD. - Is the AD7274BRM compatible with SPI, QSPI, and MICROWIRE interfaces?
Yes, the AD7274BRM is compatible with SPI, QSPI, MICROWIRE, and DSP-compatible serial interfaces. - Does the AD7274BRM have pipeline delays?
No, the AD7274BRM does not have pipeline delays. - What is the typical power consumption of the AD7274BRM?
The typical power consumption is 18 mW.
